diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-09 14:05:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-09 14:05:15 -0700 |
| commit | 4899a36f91a9f9b06878471096bd143e7253006d (patch) | |
| tree | a3aaa40ef45bdec4d54911f819135748db7f106b | |
| parent | 03785a69ae47a17fe57fee31058fef7cd3042977 (diff) | |
| parent | 376b3275c19f83d373e841e9af2d7658693190b9 (diff) | |
| download | staging-4899a36f91a9f9b06878471096bd143e7253006d.tar.gz | |
Merge tag 'powerpc-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Remove our now never-true definitions for pgd_huge() and p4d_leaf().
- Add pte_needs_flush() and huge_pmd_needs_flush() for 64-bit.
- Add support for syscall wrappers.
- Add support for KFENCE on 64-bit.
- Update 64-bit HV KVM to use the new guest state entry/exit accounting
API.
- Support execute-only memory when using the Radix MMU (P9 or later).
- Implement CONFIG_PARAVIRT_TIME_ACCOUNTING for pseries guests.
- Updates to our linker script to move more data into read-only
sections.
- Allow the VDSO to be randomised on 32-bit.
- Many other small features and fixes.
Thanks to Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira
Rajeev, Christophe Leroy, David Hildenbrand, Disha Goel, Fabiano Rosas,
Gaosheng Cui, Gustavo A. R. Silva, Haren Myneni, Hari Bathini, Jilin
Yuan, Joel Stanley, Kajol Jain, Kees Cook, Krzysztof Kozlowski, Laurent
Dufour, Liang He, Li Huafei, Lukas Bulwahn, Madhavan Srinivasan, Nathan
Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Pali
Rohár, Rohan McLure, Russell Currey, Sachin Sant, Segher Boessenkool,
Shrikanth Hegde, Tyrel Datwyler, Wolfram Sang, ye xingchen, and Zheng
Yongjun.
* tag 'powerpc-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (214 commits)
KVM: PPC: Book3S HV: Fix stack frame regs marker
powerpc: Don't add __powerpc_ prefix to syscall entry points
powerpc/64s/interrupt: Fix stack frame regs marker
powerpc/64: Fix msr_check_and_set/clear MSR[EE] race
powerpc/64s/interrupt: Change must-hard-mask interrupt check from BUG to WARN
powerpc/pseries: Add firmware details to the hardware description
powerpc/powernv: Add opal details to the hardware description
powerpc: Add device-tree model to the hardware description
powerpc/64: Add logical PVR to the hardware description
powerpc: Add PVR & CPU name to hardware description
powerpc: Add hardware description string
powerpc/configs: Enable PPC_UV in powernv_defconfig
powerpc/configs: Update config files for removed/renamed symbols
powerpc/mm: Fix UBSAN warning reported on hugetlb
powerpc/mm: Always update max/min_low_pfn in mem_topology_setup()
powerpc/mm/book3s/hash: Rename flush_tlb_pmd_range
powerpc: Drops STABS_DEBUG from linker scripts
powerpc/64s: Remove lost/old comment
powerpc/64s: Remove old STAB comment
powerpc: remove orphan systbl_chk.sh
...
307 files changed, 4550 insertions, 3720 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 02ee2e2405e7b7..b2413342b30903 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3629,7 +3629,7 @@ (bounds check bypass). With this option data leaks are possible in the system. - nospectre_v2 [X86,PPC_FSL_BOOK3E,ARM64] Disable all mitigations for + nospectre_v2 [X86,PPC_E500,ARM64] Disable all mitigations for the Spectre variant 2 (indirect branch prediction) vulnerability. System may allow data leaks with this option. @@ -3748,9 +3748,9 @@ [X86,PV_OPS] Disable paravirtualized VMware scheduler clock and use the default one. - no-steal-acc [X86,PV_OPS,ARM64] Disable paravirtualized steal time - accounting. steal time is computed, but won't - influence scheduler behaviour + no-steal-acc [X86,PV_OPS,ARM64,PPC/PSERIES] Disable paravirtualized + steal time accounting. steal time is computed, but + won't influence scheduler behaviour nolapic [X86-32,APIC] Do not enable or use the local APIC. diff --git a/Documentation/powerpc/isa-versions.rst b/Documentation/powerpc/isa-versions.rst index dfcb1097dce47c..a8d6b6028b3ec7 100644 --- a/Documentation/powerpc/isa-versions.rst +++ b/Documentation/powerpc/isa-versions.rst @@ -4,12 +4,16 @@ CPU to ISA Version Mapping Mapping of some CPU versions to relevant ISA versions. +Note Power4 and Power4+ are not supported. + ========= ==================================================================== CPU Architecture version ========= ==================================================================== Power10 Power ISA v3.1 Power9 Power ISA v3.0B Power8 Power ISA v2.07 +e6500 Power ISA v2.06 with some exceptions +e5500 Power ISA v2.06 with some exceptions, no Altivec Power7 Power ISA v2.06 Power6 Power ISA v2.05 PA6T Power ISA v2.04 @@ -24,6 +28,12 @@ PPC970 - PowerPC User Instruction Set Architecture Book I v2.01 - PowerPC Virtual Environment Architecture Book II v2.01 - PowerPC Operating Environment Architecture Book III v2.01 - Plus Altivec/VMX ~= 2.03 +Power4+ - PowerPC User Instruction Set Architecture Book I v2.01 + - PowerPC Virtual Environment Architecture Book II v2.01 + - PowerPC Operating Environment Architecture Book III v2.01 +Power4 - PowerPC User Instruction Set Architecture Book I v2.00 + - PowerPC Virtual Environment Architecture Book II v2.00 + - PowerPC Operating Environment Architecture Book III v2.00 ========= ==================================================================== @@ -36,6 +46,8 @@ CPU VMX (aka. Altivec) Power10 Yes Power9 Yes Power8 Yes +e6500 Yes +e5500 No Power7 Yes Power6 Yes PA6T Yes @@ -44,6 +56,8 @@ Power5++ No Power5+ No Power5 No PPC970 Yes +Power4+ No +Power4 No ========== ================== ========== ==== @@ -52,6 +66,8 @@ CPU VSX Power10 Yes Power9 Yes Power8 Yes +e6500 No +e5500 No Power7 Yes Power6 No PA6T No @@ -60,6 +76,8 @@ Power5++ No Power5+ No Power5 No PPC970 No +Power4+ No +Power4 No ========== ==== ========== ==================================== @@ -68,6 +86,8 @@ CPU Transactional Memory Power10 No (* see Power ISA v3.1, "Appendix A. Notes on the Removal of Transactional Memory from the Architecture") Power9 Yes (* see transactional_memory.txt) Power8 Yes +e6500 No +e5500 No Power7 No Power6 No PA6T No @@ -76,4 +96,6 @@ Power5++ No Power5+ No Power5 No PPC970 No +Power4+ No +Power4 No ========== ==================================== diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4c466acdc70d4c..81c9f895d69012 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -135,8 +135,9 @@ config PPC select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 select ARCH_HAS_SET_MEMORY select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S || PPC_8xx || 40x) && !HIBERNATION - select ARCH_HAS_STRICT_KERNEL_RWX if FSL_BOOKE && !HIBERNATION && !RANDOMIZE_BASE + select ARCH_HAS_STRICT_KERNEL_RWX if PPC_85xx && !HIBERNATION && !RANDOMIZE_BASE select ARCH_HAS_STRICT_MODULE_RWX if ARCH_HAS_STRICT_KERNEL_RWX + select ARCH_HAS_SYSCALL_WRAPPER if !SPU_BASE && !COMPAT select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UACCESS_FLUSHCACHE select ARCH_HAS_UBSAN_SANITIZE_ALL @@ -194,7 +195,7 @@ config PPC select HAVE_ARCH_KASAN if PPC_RADIX_MMU select HAVE_ARCH_KASAN if PPC_BOOK3E_64 select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN - select HAVE_ARCH_KFENCE if PPC_BOOK3S_32 || PPC_8xx || 40x + select HAVE_ARCH_KFENCE if ARCH_SUPPORTS_DEBUG_PAGEALLOC select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS @@ -211,7 +212,7 @@ config PPC select HAVE_DYNAMIC_FTRACE_WITH_ARGS if MPROFILE_KERNEL || PPC32 select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL || PPC32 select HAVE_EBPF_JIT - select HAVE_EFFICIENT_UNALIGNED_ACCESS if !(CPU_LITTLE_ENDIAN && POWER7_CPU) + select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_FAST_GUP select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_DESCRIPTORS if PPC64_ELF_ABI_V1 @@ -290,7 +291,7 @@ config PPC_LONG_DOUBLE_128 config PPC_BARRIER_NOSPEC bool default y - depends on PPC_BOOK3S_64 || PPC_FSL_BOOK3E + depends on PPC_BOOK3S_64 || PPC_E500 config EARLY_PRINTK bool @@ -548,7 +549,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE config KEXEC bool "kexec system call" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) || PPC_BOOK3E + depends on PPC_BOOK3S || PPC_E500 || (44x && !SMP) select KEXEC_CORE help kexec is a system call that implements the ability to shutdown your @@ -583,7 +584,7 @@ config ARCH_HAS_KEXEC_PURGATORY config RELOCATABLE bool "Build a relocatable kernel" - depends on PPC64 || (FLATMEM && (44x || FSL_BOOKE)) + depends on PPC64 || (FLATMEM && (44x || PPC_85xx)) select NONSTATIC_KERNEL help This builds a kernel image that is capable of running at the @@ -606,7 +607,7 @@ config RELOCATABLE config RANDOMIZE_BASE bool "Randomize the address of the kernel image" - depends on (FSL_BOOKE && FLATMEM && PPC32) + depends on PPC_85xx && FLATMEM depends on RELOCATABLE help Randomizes the virtual address at which the kernel image is @@ -625,8 +626,8 @@ config RELOCATABLE_TEST config CRASH_DUMP bool "Build a dump capture kernel" - depends on PPC64 || PPC_BOOK3S_32 || FSL_BOOKE || (44x && !SMP) - select RELOCATABLE if PPC64 || 44x || FSL_BOOKE + depends on PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) + select RELOCATABLE if PPC64 || 44x || PPC_85xx help Build a kernel suitable for use as a dump capture kernel. The same kernel binary can be used as production kernel and dump @@ -815,7 +816,7 @@ config DATA_SHIFT_BOOL depends on ADVANCED_OPTIONS depends on STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE depends on PPC_BOOK3S_32 || (PPC_8xx && !PIN_TLB_DATA && !STRICT_KERNEL_RWX) || \ - FSL_BOOKE + PPC_85xx help This option allows you to set the kernel data alignment. When RAM is mapped by blocks, the alignment needs to fit the size and @@ -828,13 +829,13 @@ config DATA_SHIFT default 24 if STRICT_KERNEL_RWX && PPC64 range 17 28 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_BOOK3S_32 range 19 23 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_8xx - range 20 24 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_FSL_BOOKE + range 20 24 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_85xx default 22 if STRICT_KERNEL_RWX && PPC_BOOK3S_32 default 18 if (DEBUG_PAGEALLOC || KFENCE) && PPC_BOOK3S_32 default 23 if STRICT_KERNEL_RWX && PPC_8xx default 23 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx && PIN_TLB_DATA default 19 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx - default 24 if STRICT_KERNEL_RWX && FSL_BOOKE + default 24 if STRICT_KERNEL_RWX && PPC_85xx default PPC_PAGE_SHIFT help On Book3S 32 (603+), DBATs are used to map kernel text and rodata RO. @@ -1150,7 +1151,7 @@ config LOWMEM_SIZE config LOWMEM_CAM_NUM_BOOL bool "Set number of CAMs to use to map low memory" - depends on ADVANCED_OPTIONS && FSL_BOOKE + depends on ADVANCED_OPTIONS && PPC_85xx help This option allows you to set the maximum number of CAM slots that will be used to map low memory. There are a limited number of slots @@ -1161,7 +1162,7 @@ config LOWMEM_CAM_NUM_BOOL Say N here unless you know what you are doing. config LOWMEM_CAM_NUM - depends on FSL_BOOKE + depends on PPC_85xx int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL default 3 if !STRICT_KERNEL_RWX default 9 if DATA_SHIFT >= 24 @@ -1170,7 +1171,7 @@ config LOWMEM_CAM_NUM config DYNAMIC_MEMSTART bool "Enable page aligned dynamic load address for kernel" - depends on ADVANCED_OPTIONS && FLATMEM && (FSL_BOOKE || 44x) + depends on ADVANCED_OPTIONS && FLATMEM && (PPC_85xx || 44x) select NONSTATIC_KERNEL help This option enables the kernel to be loaded at any page aligned @@ -1219,7 +1220,7 @@ config KERNEL_START config PHYSICAL_START_BOOL bool "Set physical address where the kernel is loaded" - depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE + depends on ADVANCED_OPTIONS && FLATMEM && PPC_85xx help This gives the physical address where the kernel is loaded. @@ -1232,7 +1233,7 @@ config PHYSICAL_START config PHYSICAL_ALIGN hex - default "0x04000000" if FSL_BOOKE + default "0x04000000" if PPC_85xx help This value puts the alignment restrictions on physical address where kernel is loaded and run from. Kernel is compiled for an diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index ae727d4218b90a..6aaf8dc60610d1 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -283,6 +283,12 @@ config PPC_EARLY_DEBUG_MEMCONS This console provides input and output buffers stored within the kernel BSS and should be safe to select on any system. A debugger can then be used to read kernel output or send input to the console. + +config PPC_EARLY_DEBUG_16550 + bool "Serial 16550" + depends on PPC_UDBG_16550 + help + Select this to enable early debugging via Serial 16550 console endchoice config PPC_MEMCONS_OUTPUT_SIZE @@ -354,6 +360,15 @@ config PPC_EARLY_DEBUG_CPM_ADDR platform probing is done, all platforms selected must share the same address. +config PPC_EARLY_DEBUG_16550_PHYSADDR + hex "Early debug Serial 16550 physical address" + depends on PPC_EARLY_DEBUG_16550 + +config PPC_EARLY_DEBUG_16550_STRIDE + int "Early debug Serial 16550 stride" + depends on PPC_EARLY_DEBUG_16550 + default 1 + config FAIL_IOMMU bool "Fault-injection capability for IOMMU" depends on FAULT_INJECTION diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 02742facf89511..19470d29de163d 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -149,11 +149,12 @@ CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) ifdef CONFIG_PPC_BOOK3S_64 ifdef CONFIG_CPU_LITTLE_ENDIAN CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) else -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) +CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power4 endif +CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power10, \ + $(call cc-option,-mtune=power9, \ + $(call cc-option,-mtune=power8))) else ifdef CONFIG_PPC_BOOK3E_64 CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 endif @@ -191,9 +192,14 @@ ifdef CONFIG_476FPE_ERR46 -T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds endif -# No AltiVec or VSX instructions when building kernel +# No prefix or pcrel +KBUILD_CFLAGS += $(call cc-option,-mno-prefixed) +KBUILD_CFLAGS += $(call cc-option,-mno-pcrel) + +# No AltiVec or VSX or MMA instructions when building kernel KBUILD_CFLAGS += $(call cc-option,-mno-altivec) KBUILD_CFLAGS += $(call cc-option,-mno-vsx) +KBUILD_CFLAGS += $(call cc-option,-mno-mma) # No SPE instruction when building kernel # (We use all available options to help semi-broken compilers) @@ -210,7 +216,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-string) cpu-as-$(CONFIG_40x) += -Wa,-m405 cpu-as-$(CONFIG_44x) += -Wa,-m440 cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) -cpu-as-$(CONFIG_E500) += -Wa,-me500 +cpu-as-$(CONFIG_PPC_E500) += -Wa,-me500 # When using '-many -mpower4' gas will first try and find a matching power4 # mnemonic and failing that it will allow any valid mnemonic that GAS knows @@ -231,7 +237,7 @@ head-$(CONFIG_PPC_BOOK3S_32) := arch/powerpc/kernel/head_book3s_32.o head-$(CONFIG_PPC_8xx) := arch/powerpc/kernel/head_8xx.o head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o -head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o +head-$(CONFIG_PPC_85xx) := arch/powerpc/kernel/head_85xx.o head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o diff --git a/arch/powerpc/boot/44x.h b/arch/powerpc/boot/44x.h index 02563443788afd..9b15e59522d6f0 100644 --- a/arch/powerpc/boot/44x.h +++ b/arch/powerpc/boot/44x.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PowerPC 44x related functions * * Copyright 2007 David Gibson, IBM Corporation. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #ifndef _PPC_BOOT_44X_H_ #define _PPC_BOOT_44X_H_ diff --git a/arch/powerpc/boot/4xx.h b/arch/powerpc/boot/4xx.h index 7dc5d45361bccf..77f15d124c81cf 100644 --- a/arch/powerpc/boot/4xx.h +++ b/arch/powerpc/boot/4xx.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PowerPC 4xx related functions * * Copyright 2007 IBM Corporation. * Josh Boyer <jwboyer@linux.vnet.ibm.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #ifndef _POWERPC_BOOT_4XX_H_ #define _POWERPC_BOOT_4XX_H_ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index a9cd2ea4a8617d..d32d95aea5d6f4 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -34,6 +34,7 @@ endif BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -O2 -msoft-float -mno-altivec -mno-vsx \ + $(call cc-option,-mno-spe) $(call cc-option,-mspe=no) \ -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ $(LINUXINCLUDE) diff --git a/arch/powerpc/boot/dts/fsl/e500v1_power_isa.dtsi b/arch/powerpc/boot/dts/fsl/e500v1_power_isa.dtsi new file mode 100644 index 00000000000000..7e2a90cde72e52 --- /dev/null +++ b/arch/powerpc/boot/dts/fsl/e500v1_power_isa.dtsi @@ -0,0 +1,51 @@ +/* + * e500v1 Power ISA Device Tree Source (include) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/ { + cpus { + power-isa-version = "2.03"; + power-isa-b; // Base + power-isa-e; // Embedded + power-isa-atb; // Alternate Time Base + power-isa-cs; // Cache Specification + power-isa-e.le; // Embedded.Little-Endian + power-isa-e.pm; // Embedded.Performance Monitor + power-isa-ecl; // Embedded Cache Locking + power-isa-mmc; // Memory Coherence + power-isa-sp; // Signal Processing Engine + power-isa-sp.fs; // SPE.Embedded Float Scalar Single + power-isa-sp.fv; // SPE.Embedded Float Vector + mmu-type = "power-embedded"; + }; +}; diff --git a/arch/powerpc/boot/dts/fsl/mpc8540ads.dts b/arch/powerpc/boot/dts/fsl/mpc8540ads.dts index 18a885130538a4..e03ae130162baa 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8540ads.dts +++ b/arch/powerpc/boot/dts/fsl/mpc8540ads.dts @@ -7,7 +7,7 @@ /dts-v1/; -/include/ "e500v2_power_isa.dtsi" +/include/ "e500v1_power_isa.dtsi" / { model = "MPC8540ADS"; diff --git a/arch/powerpc/boot/dts/fsl/mpc8541cds.dts b/arch/powerpc/boot/dts/fsl/mpc8541cds.dts index ac381e7b1c60ec..a2a6c5cf852e97 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8541cds.dts +++ b/arch/powerpc/boot/dts/fsl/mpc8541cds.dts @@ -7,7 +7,7 @@ /dts-v1/; -/include/ "e500v2_power_isa.dtsi" +/include/ "e500v1_power_isa.dtsi" / { model = "MPC8541CDS"; diff --git a/arch/powerpc/boot/dts/fsl/mpc8555cds.dts b/arch/powerpc/boot/dts/fsl/mpc8555cds.dts index 9f58db2a7e6616..901b6ff06dfbb4 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8555cds.dts +++ b/arch/powerpc/boot/dts/fsl/mpc8555cds.dts @@ -7,7 +7,7 @@ /dts-v1/; -/include/ "e500v2_power_isa.dtsi" +/include/ "e500v1_power_isa.dtsi" / { model = "MPC8555CDS"; diff --git a/arch/powerpc/boot/dts/fsl/mpc8560ads.dts b/arch/powerpc/boot/dts/fsl/mpc8560ads.dts index a24722ccaebf1c..c2f9aea78b29ff 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8560ads.dts +++ b/arch/powerpc/boot/dts/fsl/mpc8560ads.dts @@ -7,7 +7,7 @@ /dts-v1/; -/include/ "e500v2_power_isa.dtsi" +/include/ "e500v1_power_isa.dtsi" / { model = "MPC8560ADS"; diff --git a/arch/powerpc/boot/dts/ksi8560.dts b/arch/powerpc/boot/dts/ksi8560.dts index fe6c17c8812a62..37a7eb576d02ee 100644 --- a/arch/powerpc/boot/dts/ksi8560.dts +++ b/arch/powerpc/boot/dts/ksi8560.dts @@ -14,6 +14,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "KSI8560"; compatible = "emerson,KSI8560"; diff --git a/arch/powerpc/boot/dts/mgcoge.dts b/arch/powerpc/boot/dts/mgcoge.dts index 7de068991bde61..9cefed20723454 100644 --- a/arch/powerpc/boot/dts/mgcoge.dts +++ b/arch/powerpc/boot/dts/mgcoge.dts @@ -225,13 +225,6 @@ interrupts = <2 8>; interrupt-parent = <&PIC>; cs-gpios = < &cpm2_pio_d 19 0>; - #address-cells = <1>; - #size-cells = <0>; - ds3106@1 { - compatible = "gen,spidev"; - reg = <0>; - spi-max-frequency = <8000000>; - }; }; }; diff --git a/arch/powerpc/boot/dts/stx_gp3_8560.dts b/arch/powerpc/boot/dts/stx_gp3_8560.dts index d1ab698eef36d8..e73f7e75b0b434 100644 --- a/arch/powerpc/boot/dts/stx_gp3_8560.dts +++ b/arch/powerpc/boot/dts/stx_gp3_8560.dts @@ -7,6 +7,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "stx,gp3"; compatible = "stx,gp3-8560", "stx,gp3"; diff --git a/arch/powerpc/boot/dts/stxssa8555.dts b/arch/powerpc/boot/dts/stxssa8555.dts index 5dca2a91c41f60..96add25c904ba6 100644 --- a/arch/powerpc/boot/dts/stxssa8555.dts +++ b/arch/powerpc/boot/dts/stxssa8555.dts @@ -9,6 +9,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "stx,gp3"; compatible = "stx,gp3-8560", "stx,gp3"; diff --git a/arch/powerpc/boot/dts/tqm8540.dts b/arch/powerpc/boot/dts/tqm8540.dts index 9c1eb9779108c1..eb4d8fd3f7aa3c 100644 --- a/arch/powerpc/boot/dts/tqm8540.dts +++ b/arch/powerpc/boot/dts/tqm8540.dts @@ -7,6 +7,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "tqc,tqm8540"; compatible = "tqc,tqm8540"; diff --git a/arch/powerpc/boot/dts/tqm8541.dts b/arch/powerpc/boot/dts/tqm8541.dts index 44595cf675d01f..fe5d3d873ec9e9 100644 --- a/arch/powerpc/boot/dts/tqm8541.dts +++ b/arch/powerpc/boot/dts/tqm8541.dts @@ -7,6 +7,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "tqc,tqm8541"; compatible = "tqc,tqm8541"; diff --git a/arch/powerpc/boot/dts/tqm8555.dts b/arch/powerpc/boot/dts/tqm8555.dts index 54f3e82907d699..4be05b7d225d39 100644 --- a/arch/powerpc/boot/dts/tqm8555.dts +++ b/arch/powerpc/boot/dts/tqm8555.dts @@ -7,6 +7,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "tqc,tqm8555"; compatible = "tqc,tqm8555"; diff --git a/arch/powerpc/boot/dts/tqm8560.dts b/arch/powerpc/boot/dts/tqm8560.dts index 7415cb69f60d55..8ea48502420bfb 100644 --- a/arch/powerpc/boot/dts/tqm8560.dts +++ b/arch/powerpc/boot/dts/tqm8560.dts @@ -8,6 +8,8 @@ /dts-v1/; +/include/ "fsl/e500v1_power_isa.dtsi" + / { model = "tqc,tqm8560"; compatible = "tqc,tqm8560"; diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts index 12e08271e61f08..045af668e92847 100644 --- a/arch/powerpc/boot/dts/turris1x.dts +++ b/arch/powerpc/boot/dts/turris1x.dts @@ -147,7 +147,7 @@ port@0 { reg = <0>; - label = "cpu1"; + label = "cpu"; ethernet = <&enet1>; phy-mode = "rgmii-id"; @@ -184,7 +184,7 @@ port@6 { reg = <6>; - label = "cpu0"; + label = "cpu"; ethernet = <&enet0>; phy-mode = "rgmii-id"; @@ -263,21 +263,21 @@ }; partition@20000 { - /* 1.7 MB for Rescue Linux Kernel Image */ + /* 1.7 MB for Linux Kernel Image */ reg = <0x00020000 0x001a0000>; - label = "rescue-kernel"; + label = "kernel"; }; partition@1c0000 { /* 1.5 MB for Rescue JFFS2 Root File System */ reg = <0x001c0000 0x00180000>; - label = "rescue-rootfs"; + label = "rescue"; }; partition@340000 { - /* 11 MB for TAR.XZ Backup with content of NAND Root File System */ + /* 11 MB for TAR.XZ Archive with Factory content of NAND Root File System */ reg = <0x00340000 0x00b00000>; - label = "backup-rootfs"; + label = "factory"; }; partition@e40000 { diff --git a/arch/powerpc/boot/dummy.c b/arch/powerpc/boot/dummy.c deleted file mode 100644 index 31dbf45bf99c59..00000000000000 --- a/arch/powerpc/boot/dummy.c +++ /dev/null @@ -1,4 +0,0 @@ -int main(void) -{ - return 0; -} diff --git a/arch/powerpc/boot/opal-calls.S b/arch/powerpc/boot/opal-calls.S index ad0e15d930c4e7..1f2f330a459e86 100644 --- a/arch/powerpc/boot/opal-calls.S +++ b/arch/powerpc/boot/opal-calls.S @@ -16,7 +16,7 @@ opal_kentry: li r5, 0 li r6, 0 li r7, 0 - ld r11,opal@got(r2) + LOAD_REG_ADDR(r11, opal) ld r8,0(r11) ld r9,8(r11) bctr @@ -35,7 +35,7 @@ opal_call: mr r13,r2 /* Set opal return address */ - ld r11,opal_return@got(r2) + LOAD_REG_ADDR(r11, opal_return) mtlr r11 mfmsr r12 @@ -45,7 +45,7 @@ opal_call: mtspr SPRN_HSRR1,r12 /* load the opal call entry point and base */ - ld r11,opal@got(r2) + LOAD_REG_ADDR(r11, opal) ld r12,8(r11) ld r2,0(r11) mtspr SPRN_HSRR0,r12 diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 8334bc3cbe499a..a40c2162a4e9aa 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -1,12 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Global definition of all the bootwrapper operations. * * Author: Mark A. Greer <mgreer@mvista.com> * - * 2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * 2006 (c) MontaVista Software, Inc. */ #ifndef _PPC_BOOT_OPS_H_ #define _PPC_BOOT_OPS_H_ diff --git a/arch/powerpc/boot/ppc_asm.h b/arch/powerpc/boot/ppc_asm.h index 192b97523b0503..a66cfd76fa4d24 100644 --- a/arch/powerpc/boot/ppc_asm.h +++ b/arch/powerpc/boot/ppc_asm.h @@ -84,4 +84,14 @@ #define MFTBU(dest) mfspr dest, SPRN_TBRU #endif +#ifdef CONFIG_PPC64_BOOT_WRAPPER +#define LOAD_REG_ADDR(reg,name) \ + addis reg,r2,name@toc@ha; \ + addi reg,reg,name@toc@l +#else +#define LOAD_REG_ADDR(reg,name) \ + lis reg,name@ha; \ + addi reg,reg,name@l +#endif + #endif /* _PPC64_PPC_ASM_H */ diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c index 54d2522be48542..c6d32a8c361219 100644 --- a/arch/powerpc/boot/serial.c +++ b/arch/powerpc/boot/serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic serial console support * @@ -6,10 +7,7 @@ * Code in serial_edit_cmdline() copied from <file:arch/ppc/boot/simple/misc.c> * and was written by Matt Porter <mporter@kernel.crashing.org>. * - * 2001,2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * 2001,2006 (c) MontaVista Software, Inc. */ #include <stdarg.h> #include <stddef.h> diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c index 65ec135d015798..267d6524caac47 100644 --- a/arch/powerpc/boot/simple_alloc.c +++ b/arch/powerpc/boot/simple_alloc.c @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Implement primitive realloc(3) functionality. * * Author: Mark A. Greer <mgreer@mvista.com> * - * 2006 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * 2006 (c) MontaVista, Software, Inc. */ #include <stddef.h> diff --git a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig index cbcae2a927e99e..4e3373381ab6e4 100644 --- a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig @@ -77,6 +77,5 @@ CONFIG_NFS_FS=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y CONFIG_CRC_T10DIF=y -# CONFIG_ENABLE_MUST_CHECK is not set CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_PCBC=m diff --git a/arch/powerpc/configs/85xx/ge_imp3a_defconfig b/arch/powerpc/configs/85xx/ge_imp3a_defconfig index f29c166998af59..e6d878a44d33f6 100644 --- a/arch/powerpc/configs/85xx/ge_imp3a_defconfig +++ b/arch/powerpc/configs/85xx/ge_imp3a_defconfig @@ -74,7 +74,6 @@ CONFIG_MTD_PHYSMAP_OF=y CONFIG_MTD_RAW_NAND=y CONFIG_MTD_NAND_FSL_ELBC=y CONFIG_BLK_DEV_LOOP=m -CONFIG_BLK_DEV_CRYPTOLOOP=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=131072 diff --git a/arch/powerpc/configs/85xx/ppa8548_defconfig b/arch/powerpc/configs/85xx/ppa8548_defconfig index 190978a5b7d5a5..4bd5f993d26ae5 100644 --- a/arch/powerpc/configs/85xx/ppa8548_defconfig +++ b/arch/powerpc/configs/85xx/ppa8548_defconfig @@ -7,9 +7,7 @@ CONFIG_RAPIDIO=y CONFIG_FSL_RIO=y CONFIG_RAPIDIO_DMA_ENGINE=y CONFIG_RAPIDIO_ENUM_BASIC=y -CONFIG_RAPIDIO_TSI57X=y CONFIG_RAPIDIO_CPS_XX=y -CONFIG_RAPIDIO_TSI568=y CONFIG_RAPIDIO_CPS_GEN2=y CONFIG_ADVANCED_OPTIONS=y CONFIG_LOWMEM_SIZE_BOOL=y diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index 7fd9e596ea331f..06391cc2af3afc 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -195,7 +195,6 @@ CONFIG_NLS_ISO8859_9=m CONFIG_NLS_ISO8859_13=m CONFIG_NLS_ISO8859_14=m CONFIG_NLS_ISO8859_15=m -# CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_MUTEXES=y diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index 9d6212a8b1951a..71d9d112c0b635 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -119,7 +119,6 @@ CONFIG_INPUT_EVDEV=y # CONFIG_SERIO_I8042 is not set # CONFIG_SERIO_SERPORT is not set # CONFIG_HW_RANDOM is not set -CONFIG_RAW_DRIVER=y CONFIG_I2C_CHARDEV=y CONFIG_AGP=m CONFIG_AGP_UNINORTH=m diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index eff933ebbb9ecd..ea2dbd778aadf6 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -75,7 +75,12 @@ CONFIG_SPI_BITBANG=y CONFIG_SPI_SPIDEV=y # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set +CONFIG_MMC=y +# CONFIG_PWRSEQ_EMMC is not set +# CONFIG_PWRSEQ_SIMPLE is not set +CONFIG_MMC_LITEX=y # CONFIG_VIRTIO_MENU is not set +CONFIG_COMMON_CLK=y # CONFIG_IOMMU_SUPPORT is not set # CONFIG_NVMEM is not set CONFIG_EXT4_FS=y diff --git a/arch/powerpc/configs/mpc512x_defconfig b/arch/powerpc/configs/mpc512x_defconfig index e75d3f3060c9e4..10fe061c5e6d13 100644 --- a/arch/powerpc/configs/mpc512x_defconfig +++ b/arch/powerpc/configs/mpc512x_defconfig @@ -114,5 +114,4 @@ CONFIG_NFS_FS=y CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y -# CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_CRYPTO_HW is not set diff --git a/arch/powerpc/configs/mpc885_ads_defconfig b/arch/powerpc/configs/mpc885_ads_defconfig index 700115d85d6fb0..56b876e418e915 100644 --- a/arch/powerpc/configs/mpc885_ads_defconfig +++ b/arch/powerpc/configs/mpc885_ads_defconfig @@ -78,4 +78,4 @@ CONFIG_DEBUG_VM_PGTABLE=y CONFIG_DETECT_HUNG_TASK=y CONFIG_BDI_SWITCH=y CONFIG_PPC_EARLY_DEBUG=y -CONFIG_PPC_PTDUMP=y +CONFIG_GENERIC_PTDUMP=y diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig index e00a703581c385..96aa5355911f1f 100644 --- a/arch/powerpc/configs/pasemi_defconfig +++ b/arch/powerpc/configs/pasemi_defconfig @@ -92,7 +92,6 @@ CONFIG_LEGACY_PTY_COUNT=4 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y -CONFIG_RAW_DRIVER=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_PASEMI=y CONFIG_SENSORS_LM85=y diff --git a/arch/powerpc/configs/pmac32_defconfig b/arch/powerpc/configs/pmac32_defconfig index 13885ec563d159..019163c2571e67 100644 --- a/arch/powerpc/configs/pmac32_defconfig +++ b/arch/powerpc/configs/pmac32_defconfig @@ -284,7 +284,6 @@ CONFIG_BOOTX_TEXT=y CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig index 49f49c2639350b..43e38f0fa5a798 100644 --- a/arch/powerpc/configs/powernv_defconfig +++ b/arch/powerpc/configs/powernv_defconfig @@ -50,6 +50,7 @@ CONFIG_CPU_IDLE=y CONFIG_HZ_100=y CONFIG_BINFMT_MISC=m CONFIG_PPC_TRANSACTIONAL_MEM=y +CONFIG_PPC_UV=y CONFIG_HOTPLUG_CPU=y CONFIG_KEXEC=y CONFIG_KEXEC_FILE=y @@ -65,6 +66,8 @@ CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_SCHED_SMT=y CONFIG_PM=y CONFIG_HOTPLUG_PCI=y +CONFIG_ZONE_DEVICE=y +CONFIG_DEVICE_PRIVATE=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -252,7 +255,6 @@ CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_GENERIC=y # CONFIG_VIRTIO_MENU is not set CONFIG_LIBNVDIMM=y -# CONFIG_ND_BLK is not set CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y @@ -325,13 +327,11 @@ CONFIG_CRYPTO_MD5_PPC=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA1_PPC=m CONFIG_CRYPTO_SHA256=y -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAST6=m CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index c8b0e80d613bf2..d6949a6c5b2b5e 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,9 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +# CONFIG_CONTEXT_TRACKING_USER_FORCE is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_IKCONFIG=y @@ -213,7 +215,6 @@ CONFIG_HVC_RTAS=y CONFIG_HVCS=m CONFIG_VIRTIO_CONSOLE=m CONFIG_IBM_BSR=m -CONFIG_RAW_DRIVER=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_AMD8111=y CONFIG_I2C_PASEMI=y @@ -342,13 +343,11 @@ CONFIG_CRYPTO_MD5_PPC=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA1_PPC=m CONFIG_CRYPTO_SHA256=y -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAST6=m CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig index 5cf49a515f8e6c..f97a2d31bbf70d 100644 --- a/arch/powerpc/configs/ppc64e_defconfig +++ b/arch/powerpc/configs/ppc64e_defconfig @@ -118,7 +118,6 @@ CONFIG_INPUT_MISC=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y # CONFIG_HW_RANDOM is not set -CONFIG_RAW_DRIVER=y CONFIG_I2C_CHARDEV=y CONFIG_I2C_AMD8111=y CONFIG_FB=y @@ -234,13 +233,11 @@ CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAST6=m CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig index a24f484bfbd2ff..d23deb94b36e75 100644 --- a/arch/powerpc/configs/ppc6xx_defconfig +++ b/arch/powerpc/configs/ppc6xx_defconfig @@ -321,7 +321,6 @@ CONFIG_PNP=y CONFIG_ISAPNP=y CONFIG_MAC_FLOPPY=m CONFIG_BLK_DEV_LOOP=m -CONFIG_BLK_DEV_CRYPTOLOOP=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=16384 @@ -590,7 +589,6 @@ CONFIG_GAMEPORT_EMU10K1=m CONFIG_GAMEPORT_FM801=m # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_NONSTANDARD=y -CONFIG_ROCKETPORT=m CONFIG_SYNCLINK_GT=m CONFIG_NOZOMI=m CONFIG_N_HDLC=m @@ -1107,13 +1105,9 @@ CONFIG_CRYPTO_XTS=m CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_MICHAEL_MIC=m -CONFIG_CRYPTO_RMD128=m CONFIG_CRYPTO_RMD160=m -CONFIG_CRYPTO_RMD256=m -CONFIG_CRYPTO_RMD320=m CONFIG_CRYPTO_SHA1=y CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m @@ -1121,7 +1115,6 @@ CONFIG_CRYPTO_CAMELLIA=m CONFIG_CRYPTO_CAST6=m CONFIG_CRYPTO_FCRYPT=m CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 2d9ac233da6856..0a1b42c4f26a40 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -165,6 +165,5 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_FTRACE is not set CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_MICHAEL_MIC=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_LZO=m CONFIG_PRINTK_TIME=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index b571d084c148b8..a25cf2ca5c7a1c 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -3,8 +3,10 @@ CONFIG_NR_CPUS=2048 CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_AUDIT=y +# CONFIG_CONTEXT_TRACKING_USER_FORCE is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y +CONFIG_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y @@ -40,6 +42,7 @@ CONFIG_PPC_SPLPAR=y CONFIG_DTL=y CONFIG_PPC_SMLPAR=y CONFIG_IBMEBUS=y +CONFIG_LIBNVDIMM=m CONFIG_PAPR_SCM=m CONFIG_PPC_SVM=y # CONFIG_PPC_PMAC is not set @@ -187,7 +190,6 @@ CONFIG_HVC_RTAS=y CONFIG_HVCS=m CONFIG_VIRTIO_CONSOLE=m CONFIG_IBM_BSR=m -CONFIG_RAW_DRIVER=y CONFIG_I2C_CHARDEV=y CONFIG_FB=y CONFIG_FIRMWARE_EDID=y @@ -302,13 +304,11 @@ CONFIG_CRYPTO_MD5_PPC=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA1_PPC=m CONFIG_CRYPTO_SHA256=y -CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAST6=m CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SALSA20=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m CONFIG_CRYPTO_TWOFISH=m diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig index f491875700e8a3..e0964210f2599b 100644 --- a/arch/powerpc/configs/skiroot_defconfig +++ b/arch/powerpc/configs/skiroot_defconfig @@ -133,7 +133,6 @@ CONFIG_ACENIC_OMIT_TIGON_I=y # CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_VENDOR_ATHEROS is not set -# CONFIG_NET_VENDOR_AURORA is not set CONFIG_TIGON3=m CONFIG_BNX2X=m # CONFIG_NET_VENDOR_BROCADE is not set @@ -274,7 +273,6 @@ CONFIG_NLS_UTF8=y CONFIG_ENCRYPTED_KEYS=y CONFIG_SECURITY=y CONFIG_HARDENED_USERCOPY=y -CONFIG_HARDENED_USERCOPY_PAGESPAN=y CONFIG_FORTIFY_SOURCE=y CONFIG_SECURITY_LOCKDOWN_LSM=y CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y diff --git a/arch/powerpc/configs/storcenter_defconfig b/arch/powerpc/configs/storcenter_defconfig index 47dcfaddc1acaf..7a978d39699119 100644 --- a/arch/powerpc/configs/storcenter_defconfig +++ b/arch/powerpc/configs/storcenter_defconfig @@ -76,4 +76,3 @@ CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_NLS_UTF8=y CONFIG_CRC_T10DIF=y -# CONFIG_ENABLE_MUST_CHECK is not set diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index 81631e64dbeb71..274bce76f5da23 100644 --- a/arch/powerpc/include/asm/asm-prototypes.h +++ b/arch/powerpc/include/asm/asm-prototypes.h @@ -36,6 +36,7 @@ int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3, int64_t opcode, uint64_t msr); /* misc runtime */ +void enable_machine_check(void); extern u64 __bswapdi2(u64); extern s64 __lshrdi3(s64, int); extern s64 __ashldi3(s64, int); @@ -55,19 +56,6 @@ struct kvm_vcpu; void _kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); -/* Patch sites */ -extern s32 patch__call_flush_branch_caches1; -extern s32 patch__call_flush_branch_caches2; -extern s32 patch__call_flush_branch_caches3; -extern s32 patch__flush_count_cache_return; -extern s32 patch__flush_link_stack_return; -extern s32 patch__call_kvm_flush_link_stack; -extern s32 patch__call_kvm_flush_link_stack_p9; -extern s32 patch__memset_nocache, patch__memcpy_nocache; - -extern long flush_branch_caches; -extern long kvm_flush_link_stack; - #ifdef CONFIG_PPC_TRANSACTIONAL_MEM void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index ef2d8b15eaabe3..e80b2c0e9315a1 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -86,7 +86,7 @@ do { \ #ifdef CONFIG_PPC_BOOK3S_64 #define NOSPEC_BARRIER_SLOT nop -#elif defined(CONFIG_PPC_FSL_BOOK3E) +#elif defined(CONFIG_PPC_E500) #define NOSPEC_BARRIER_SLOT nop; nop #endif diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 40041ac713d982..75823f39e04241 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -112,31 +112,11 @@ static inline bool pte_user(pte_t pte) /* Permission masks used for kernel mappings */ #define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW) #define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE) -#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ - _PAGE_NO_CACHE | _PAGE_GUARDED) +#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE | _PAGE_GUARDED) #define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX) #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - -/* Make modules code happy. We don't set RO yet */ -#define PAGE_KERNEL_EXEC PAGE_KERNEL_X - -/* Advertise special mapping type for AGP */ -#define PAGE_AGP (PAGE_KERNEL_NC) -#define HAVE_PAGE_AGP - #define PTE_INDEX_SIZE PTE_SHIFT #define PMD_INDEX_SIZE 0 #define PUD_INDEX_SIZE 0 diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h index e1af0b394cebec..dd2cff53a111e7 100644 --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h @@ -113,9 +113,11 @@ static inline void __pud_free(pud_t *pud) /* * Early pud pages allocated via memblock allocator - * can't be directly freed to slab + * can't be directly freed to slab. KFENCE pages have + * both reserved and slab flags set so need to be freed + * kmem_cache_free. */ - if (PageReserved(page)) + if (PageReserved(page) && !PageSlab(page)) free_reserved_page(page); else kmem_cache_free(PGT_CACHE(PUD_CACHE_INDEX), pud); diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h index 4e697bc2f4cde9..48f21820afe209 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h @@ -26,16 +26,6 @@ static inline int pud_huge(pud_t pud) return 0; } -static inline int pgd_huge(pgd_t pgd) -{ - /* - * leaf pte for huge page - */ - if (radix_enabled()) - return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); - return 0; -} -#define pgd_huge pgd_huge /* * With radix , we have hugepage ptes in the pud and pmd entries. We don't * need to setup hugepage directory for them. Our pte and page directory format diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 34d1018896b3e8..2fce3498b000e2 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h @@ -30,15 +30,6 @@ static inline int pud_huge(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); } -static inline int pgd_huge(pgd_t pgd) -{ - /* - * leaf pte for huge page - */ - return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); -} -#define pgd_huge pgd_huge - /* * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't * need to setup hugepage directory for them. Our pte and page directory format diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 392ff48f77df34..c436d84226540f 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -117,8 +117,7 @@ #define _PAGE_KERNEL_RW (_PAGE_PRIVILEGED | _PAGE_RW | _PAGE_DIRTY) #define _PAGE_KERNEL_RO (_PAGE_PRIVILEGED | _PAGE_READ) #define _PAGE_KERNEL_ROX (_PAGE_PRIVILEGED | _PAGE_READ | _PAGE_EXEC) -#define _PAGE_KERNEL_RWX (_PAGE_PRIVILEGED | _PAGE_DIRTY | \ - _PAGE_RW | _PAGE_EXEC) +#define _PAGE_KERNEL_RWX (_PAGE_PRIVILEGED | _PAGE_DIRTY | _PAGE_RW | _PAGE_EXEC) /* * _PAGE_CHG_MASK masks of bits that are to be preserved across * pgprot changes @@ -151,33 +150,17 @@ #define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_READ | _PAGE_EXEC) #define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_READ) #define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_READ | _PAGE_EXEC) +/* Radix only, Hash uses PAGE_READONLY_X + execute-only pkey instead */ +#define PAGE_EXECONLY __pgprot(_PAGE_BASE | _PAGE_EXEC) /* Permission masks used for kernel mappings */ #define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW) -#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ - _PAGE_TOLERANT) -#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ - _PAGE_NON_IDEMPOTENT) +#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_TOLERANT) +#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NON_IDEMPOTENT) #define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX) #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) || \ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - -/* Make modules code happy. We don't set RO yet */ -#define PAGE_KERNEL_EXEC PAGE_KERNEL_X -#define PAGE_AGP (PAGE_KERNEL_NC) - #ifndef __ASSEMBLY__ /* * page table defines @@ -333,9 +316,6 @@ extern unsigned long pci_io_base; #define IOREMAP_END (KERN_IO_END - FIXADDR_SIZE) #define FIXADDR_SIZE SZ_32M -/* Advertise special mapping type for AGP */ -#define HAVE_PAGE_AGP - #ifndef __ASSEMBLY__ /* @@ -411,6 +391,9 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm, * event of it not getting flushed for a long time the delay * shouldn't really matter because there's no real memory * pressure for swapout to react to. ] + * + * Note: this optimisation also exists in pte_needs_flush() and + * huge_pmd_needs_flush(). */ #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH #define ptep_clear_flush_young ptep_test_and_clear_young @@ -1123,7 +1106,7 @@ static inline void vmemmap_remove_mapping(unsigned long start, } #endif -#ifdef CONFIG_DEBUG_PAGEALLOC +#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) static inline void __kernel_map_pages(struct page *page, int numpages, int enable) { if (radix_enabled()) @@ -1457,12 +1440,5 @@ static inline bool pud_is_leaf(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); } -#define p4d_is_leaf p4d_is_leaf -#define p4d_leaf p4d_is_leaf -static inline bool p4d_is_leaf(p4d_t p4d) -{ - return !!(p4d_raw(p4d) & cpu_to_be64(_PAGE_PTE)); -} - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h index 8b762f28219018..fab8332fe1add8 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h @@ -112,13 +112,11 @@ static inline void hash__flush_tlb_kernel_range(unsigned long start, struct mmu_gather; extern void hash__tlb_flush(struct mmu_gather *tlb); -void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr); #ifdef CONFIG_PPC_64S_HASH_MMU /* Private function for use by PCI IO mapping code */ extern void __flush_hash_table_range(unsigned long start, unsigned long end); -extern void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd, - unsigned long addr); +void flush_hash_table_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr); #else static inline void __flush_hash_table_range(unsigned long start, unsigned long end) { } #endif diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 206f920fe5b965..67655cd6054563 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -163,6 +163,62 @@ static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma, */ } +static inline bool __pte_flags_need_flush(unsigned long oldval, + unsigned long newval) +{ + unsigned long delta = oldval ^ newval; + + /* + * The return value of this function doesn't matter for hash, + * ptep_modify_prot_start() does a pte_update() which does or schedules + * any necessary hash table update and flush. + */ + if (!radix_enabled()) + return true; + + /* + * We do not expect kernel mappings or non-PTEs or not-present PTEs. + */ + VM_WARN_ON_ONCE(oldval & _PAGE_PRIVILEGED); + VM_WARN_ON_ONCE(newval & _PAGE_PRIVILEGED); + VM_WARN_ON_ONCE(!(oldval & _PAGE_PTE)); + VM_WARN_ON_ONCE(!(newval & _PAGE_PTE)); + VM_WARN_ON_ONCE(!(oldval & _PAGE_PRESENT)); + VM_WARN_ON_ONCE(!(newval & _PAGE_PRESENT)); + + /* + * Must flush on any change except READ, WRITE, EXEC, DIRTY, ACCESSED. + * + * In theory, some changed software bits could be tolerated, in + * practice those should rarely if ever matter. + */ + + if (delta & ~(_PAGE_RWX | _PAGE_DIRTY | _PAGE_ACCESSED)) + return true; + + /* + * If any of the above was present in old but cleared in new, flush. + * With the exception of _PAGE_ACCESSED, don't worry about flushing + * if that was cleared (see the comment in ptep_clear_flush_young()). + */ + if ((delta & ~_PAGE_ACCESSED) & oldval) + return true; + + return false; +} + +static inline bool pte_needs_flush(pte_t oldpte, pte_t newpte) +{ + return __pte_flags_need_flush(pte_val(oldpte), pte_val(newpte)); +} +#define pte_needs_flush pte_needs_flush + +static inline bool huge_pmd_needs_flush(pmd_t oldpmd, pmd_t newpmd) +{ + return __pte_flags_need_flush(pmd_val(oldpmd), pmd_val(newpmd)); +} +#define huge_pmd_needs_flush huge_pmd_needs_flush + extern bool tlbie_capable; extern bool tlbie_enabled; diff --git a/arch/powerpc/include/asm/book3s/pgtable.h b/arch/powerpc/include/asm/book3s/pgtable.h index e8269434ecbec5..d18b748ea3ae0f 100644 --- a/arch/powerpc/include/asm/book3s/pgtable.h +++ b/arch/powerpc/include/asm/book3s/pgtable.h @@ -25,7 +25,8 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot); #define __HAVE_PHYS_MEM_ACCESS_PROT -#if defined(CONFIG_PPC32) || defined(CONFIG_PPC_64S_HASH_MMU) +void __update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); + /* * This gets called at the end of handling a page fault, when * the kernel has put a new PTE into the page table for the process. @@ -35,10 +36,14 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, * corresponding HPTE into the hash table ahead of time, instead of * waiting for the inevitable extra hash-table miss exception. */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); -#else -static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) {} -#endif +static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) +{ + if (IS_ENABLED(CONFIG_PPC32) && !mmu_has_feature(MMU_FTR_HPTE_TABLE)) + return; + if (radix_enabled()) + return; + __update_mmu_cache(vma, address, ptep); +} #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/powerpc/include/asm/cpu_setup.h b/arch/powerpc/include/asm/cpu_setup.h new file mode 100644 index 00000000000000..30e2fe38950241 --- /dev/null +++ b/arch/powerpc/include/asm/cpu_setup.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2020 IBM Corporation + */ + +#ifndef _ASM_POWERPC_CPU_SETUP_H +#define _ASM_POWERPC_CPU_SETUP_H +void __setup_cpu_power7(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_power8(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_power9(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_power10(unsigned long offset, struct cpu_spec *spec); +void __restore_cpu_power7(void); +void __restore_cpu_power8(void); +void __restore_cpu_power9(void); +void __restore_cpu_power10(void); + +void __setup_cpu_e500v1(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_e500v2(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_e500mc(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440ep(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440epx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440gx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440grx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440spe(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_440x5(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_460ex(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_460gt(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_603(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_604(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_750(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_750cx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_750fx(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_7400(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_7410(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_745x(unsigned long offset, struct cpu_spec *spec); + +void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec *spec); +void __restore_cpu_pa6t(void); +void __restore_cpu_ppc970(void); + +void __setup_cpu_e5500(unsigned long offset, struct cpu_spec *spec); +void __setup_cpu_e6500(unsigned long offset, struct cpu_spec *spec); +void __restore_cpu_e5500(void); +void __restore_cpu_e6500(void); +#endif /* _ASM_POWERPC_CPU_SETUP_H */ diff --git a/arch/powerpc/include/asm/cpu_setup_power.h b/arch/powerpc/include/asm/cpu_setup_power.h deleted file mode 100644 index 24be9131f8032d..00000000000000 --- a/arch/powerpc/include/asm/cpu_setup_power.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2020 IBM Corporation - */ -void __setup_cpu_power7(unsigned long offset, struct cpu_spec *spec); -void __restore_cpu_power7(void); -void __setup_cpu_power8(unsigned long offset, struct cpu_spec *spec); -void __restore_cpu_power8(void); -void __setup_cpu_power9(unsigned long offset, struct cpu_spec *spec); -void __restore_cpu_power9(void); -void __setup_cpu_power10(unsigned long offset, struct cpu_spec *spec); -void __restore_cpu_power10(void); diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index ae8c3e13cfce4f..757dbded11dcfa 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -463,7 +463,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2) #ifdef CONFIG_PPC64 -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500) #else #ifdef CONFIG_CPU_LITTLE_ENDIAN @@ -510,7 +510,7 @@ enum { #elif defined(CONFIG_44x) CPU_FTRS_44X | CPU_FTRS_440x6 | #endif -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | #endif #ifdef CONFIG_PPC_E500MC @@ -521,7 +521,7 @@ enum { #endif /* __powerpc64__ */ #ifdef CONFIG_PPC64 -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500) #else @@ -584,7 +584,7 @@ enum { #elif defined(CONFIG_44x) CPU_FTRS_44X & CPU_FTRS_440x6 & #endif -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & #endif #ifdef CONFIG_PPC_E500MC diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 6d2b2799749292..431ae234302227 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -95,7 +95,7 @@ static notrace inline void account_stolen_time(void) struct lppaca *lp = local_paca->lppaca_ptr; if (unlikely(local_paca->dtl_ridx != be64_to_cpu(lp->dtl_idx))) - accumulate_stolen_time(); + pseries_accumulate_stolen_time(); } #endif } diff --git a/arch/powerpc/include/asm/dtl.h b/arch/powerpc/include/asm/dtl.h index 1625888f27ef6b..4bcb9f9ac76491 100644 --- a/arch/powerpc/include/asm/dtl.h +++ b/arch/powerpc/include/asm/dtl.h @@ -37,14 +37,6 @@ struct dtl_entry { extern struct kmem_cache *dtl_cache; extern rwlock_t dtl_access_lock; -/* - * When CONFIG_VIRT_CPU_ACCOUNTING_NATIVE = y, the cpu accounting code controls - * reading from the dispatch trace log. If other code wants to consume - * DTL entries, it can set this pointer to a function that will get - * called once for each DTL entry that gets processed. - */ -extern void (*dtl_consumer)(struct dtl_entry *entry, u64 index); - extern void register_dtl_buffer(int cpu); extern void alloc_dtl_buffers(unsigned long *time_limit); extern long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity); diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 32ce0fb7548f83..ea71f7245a63e5 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -7,8 +7,8 @@ #ifdef CONFIG_PPC_BOOK3S_64 #include <asm/book3s/64/hugetlb.h> -#elif defined(CONFIG_PPC_FSL_BOOK3E) -#include <asm/nohash/hugetlb-book3e.h> +#elif defined(CONFIG_PPC_E500) +#include <asm/nohash/hugetlb-e500.h> #elif defined(CONFIG_PPC_8xx) #include <asm/nohash/32/hugetlb-8xx.h> #endif /* CONFIG_PPC_BOOK3S_64 */ diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 983551859891a9..77fa88c2aed0dc 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -157,36 +157,18 @@ static inline notrace void irq_soft_mask_set(unsigned long mask) static inline notrace unsigned long irq_soft_mask_set_return(unsigned long mask) { - unsigned long flags; - -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON(mask && !(mask & IRQS_DISABLED)); -#endif + unsigned long flags = irq_soft_mask_return(); - asm volatile( - "lbz %0,%1(13); stb %2,%1(13)" - : "=&r" (flags) - : "i" (offsetof(struct paca_struct, irq_soft_mask)), - "r" (mask) - : "memory"); + irq_soft_mask_set(mask); return flags; } static inline notrace unsigned long irq_soft_mask_or_return(unsigned long mask) { - unsigned long flags, tmp; - - asm volatile( - "lbz %0,%2(13); or %1,%0,%3; stb %1,%2(13)" - : "=&r" (flags), "=r" (tmp) - : "i" (offsetof(struct paca_struct, irq_soft_mask)), - "r" (mask) - : "memory"); + unsigned long flags = irq_soft_mask_return(); -#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG - WARN_ON((mask | flags) && !((mask | flags) & IRQS_DISABLED)); -#endif + irq_soft_mask_set(flags | mask); return flags; } @@ -489,6 +471,30 @@ static inline void irq_soft_mask_regs_set_state(struct pt_regs *regs, unsigned l } #endif /* CONFIG_PPC64 */ +static inline unsigned long mtmsr_isync_irqsafe(unsigned long msr) +{ +#ifdef CONFIG_PPC64 + if (arch_irqs_disabled()) { + /* + * With soft-masking, MSR[EE] can change from 1 to 0 + * asynchronously when irqs are disabled, and we don't want to + * set MSR[EE] back to 1 here if that has happened. A race-free + * way to do this is ensure EE is already 0. Another way it + * could be done is with a RESTART_TABLE handler, but that's + * probably overkill here. + */ + msr &= ~MSR_EE; + mtmsr_isync(msr); + irq_soft_mask_set(IRQS_ALL_DISABLED); + local_paca->irq_happened |= PACA_IRQ_HARD_DIS; + } else +#endif + mtmsr_isync(msr); + + return msr; +} + + #define ARCH_IRQ_INIT_FLAGS IRQ_NOREQUEST #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 8069dbc4b8d185..4745bb9998bd7f 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -74,6 +74,19 @@ #include <asm/kprobes.h> #include <asm/runlatch.h> +#ifdef CONFIG_PPC64 +/* + * WARN/BUG is handled with a program interrupt so minimise checks here to + * avoid recursion and maximise the chance of getting the first oops handled. + */ +#define INT_SOFT_MASK_BUG_ON(regs, cond) \ +do { \ + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG) && \ + (user_mode(regs) || (TRAP(regs) != INTERRUPT_PROGRAM))) \ + BUG_ON(cond); \ +} while (0) +#endif + #ifdef CONFIG_PPC_BOOK3S_64 extern char __end_soft_masked[]; bool search_kernel_soft_mask_table(unsigned long addr); @@ -170,8 +183,7 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs) * context. */ if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) { - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) - BUG_ON(!(regs->msr & MSR_EE)); + INT_SOFT_MASK_BUG_ON(regs, !(regs->msr & MSR_EE)); __hard_irq_enable(); } else { __hard_RI_enable(); @@ -194,19 +206,15 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs) * CT_WARN_ON comes here via program_check_exception, * so avoid recursion. */ - if (TRAP(regs) != INTERRUPT_PROGRAM) { - CT_WARN_ON(ct_state() != CONTEXT_KERNEL); - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) - BUG_ON(is_implicit_soft_masked(regs)); - } - - /* Move this under a debugging check */ - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG) && - arch_irq_disabled_regs(regs)) - BUG_ON(search_kernel_restart_table(regs->nip)); + if (TRAP(regs) != INTERRUPT_PROGRAM) + CT_WARN_ON(ct_state() != CONTEXT_KERNEL && + ct_state() != CONTEXT_IDLE); + INT_SOFT_MASK_BUG_ON(regs, is_implicit_soft_masked(regs)); + INT_SOFT_MASK_BUG_ON(regs, arch_irq_disabled_regs(regs) && + search_kernel_restart_table(regs->nip)); } - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) - BUG_ON(!arch_irq_disabled_regs(regs) && !(regs->msr & MSR_EE)); + INT_SOFT_MASK_BUG_ON(regs, !arch_irq_disabled_regs(regs) && + !(regs->msr & MSR_EE)); #endif booke_restore_dbcr0(); @@ -281,7 +289,7 @@ static inline bool nmi_disables_ftrace(struct pt_regs *regs) if (TRAP(regs) == INTERRUPT_PERFMON) return false; } - if (IS_ENABLED(CONFIG_PPC_BOOK3E)) { + if (IS_ENABLED(CONFIG_PPC_BOOK3E_64)) { if (TRAP(regs) == INTERRUPT_PERFMON) return false; } @@ -665,8 +673,7 @@ static inline void interrupt_cond_local_irq_enable(struct pt_regs *regs) local_irq_enable(); } -long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8, - unsigned long r0, struct pt_regs *regs); +long system_call_exception(struct pt_regs *regs, unsigned long r0); notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs, long scv); notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs); notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index f8d122d16af4d5..a1ddba01e7d13b 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -3,7 +3,7 @@ #define _ASM_POWERPC_KEXEC_H #ifdef __KERNEL__ -#if defined(CONFIG_FSL_BOOKE) || defined(CONFIG_44x) +#if defined(CONFIG_PPC_85xx) || defined(CONFIG_44x) /* * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory diff --git a/arch/powerpc/include/asm/kfence.h b/arch/powerpc/include/asm/kfence.h index a9846b68c6b9ea..6fd2b4d486c525 100644 --- a/arch/powerpc/include/asm/kfence.h +++ b/arch/powerpc/include/asm/kfence.h @@ -11,11 +11,25 @@ #include <linux/mm.h> #include <asm/pgtable.h> +#ifdef CONFIG_PPC64_ELF_ABI_V1 +#define ARCH_FUNC_PREFIX "." +#endif + static inline bool arch_kfence_init_pool(void) { return true; } +#ifdef CONFIG_PPC64 +static inline bool kfence_protect_page(unsigned long addr, bool protect) +{ + struct page *page = virt_to_page(addr); + + __kernel_map_pages(page, 1, !protect); + + return true; +} +#else static inline bool kfence_protect_page(unsigned long addr, bool protect) { pte_t *kpte = virt_to_kpte(addr); @@ -29,5 +43,6 @@ static inline bool kfence_protect_page(unsigned long addr, bool protect) return true; } +#endif #endif /* __ASM_POWERPC_KFENCE_H */ diff --git a/arch/powerpc/include/asm/kgdb.h b/arch/powerpc/include/asm/kgdb.h index a9e098a3b881f2..715c18b7533463 100644 --- a/arch/powerpc/include/asm/kgdb.h +++ b/arch/powerpc/include/asm/kgdb.h @@ -52,7 +52,7 @@ static inline void arch_kgdb_breakpoint(void) /* On non-E500 family PPC32 we determine the size by picking the last * register we need, but on E500 we skip sections so we list what we * need to store, and add it up. */ -#ifndef CONFIG_E500 +#ifndef CONFIG_PPC_E500 #define MAXREG (PT_FPSCR+1) #else /* 32 GPRs (8 bytes), nip, msr, ccr, link, ctr, xer, acc (8 bytes), spefscr*/ diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index c2b003550dc984..caea15dcb91dd0 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -443,7 +443,7 @@ struct kvmppc_passthru_irqmap { }; #endif -# ifdef CONFIG_PPC_FSL_BOOK3E +# ifdef CONFIG_PPC_E500 #define KVMPPC_BOOKE_IAC_NUM 2 #define KVMPPC_BOOKE_DAC_NUM 2 # else diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 9f625af3b65b53..bfacf12784dde9 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -104,7 +104,6 @@ extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, unsigned int gtlb_idx); -extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); @@ -153,7 +152,6 @@ extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu); extern int kvmppc_booke_init(void); extern void kvmppc_booke_exit(void); -extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); @@ -162,8 +160,6 @@ extern void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info); extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order); extern void kvmppc_free_hpt(struct kvm_hpt_info *info); extern void kvmppc_rmap_reset(struct kvm *kvm); -extern long kvmppc_prepare_vrma(struct kvm *kvm, - struct kvm_userspace_memory_region *mem); extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu, struct kvm_memory_slot *memslot, unsigned long porder); extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu); diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index c390ec377baed0..34d44cb17c8749 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -104,14 +104,18 @@ struct lppaca { volatile __be32 dispersion_count; /* dispatch changed physical cpu */ volatile __be64 cmo_faults; /* CMO page fault count */ volatile __be64 cmo_fault_time; /* CMO page fault time */ - u8 reserved10[104]; + u8 reserved10[64]; /* [S]PURR expropriated/donated */ + volatile __be64 enqueue_dispatch_tb; /* Total TB enqueue->dispatch */ + volatile __be64 ready_enqueue_tb; /* Total TB ready->enqueue */ + volatile __be64 wait_ready_tb; /* Total TB wait->ready */ + u8 reserved11[16]; /* cacheline 4-5 */ __be32 page_ins; /* CMO Hint - # page ins by OS */ - u8 reserved11[148]; + u8 reserved12[148]; volatile __be64 dtl_idx; /* Dispatch Trace Log head index */ - u8 reserved12[96]; + u8 reserved13[96]; } ____cacheline_aligned; #define lppaca_of(cpu) (*paca_ptrs[cpu]->lppaca_ptr) diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 8cb83600c43461..378b8d5836a7b8 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -204,7 +204,6 @@ struct machdep_calls { extern void e500_idle(void); extern void power4_idle(void); extern void ppc6xx_idle(void); -extern void book3e_idle(void); /* * ppc_md contains a copy of the machine description structure for the diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 860d0290ca4def..94b981152667c8 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -120,6 +120,9 @@ */ #define MMU_FTR_1T_SEGMENT ASM_CONST(0x40000000) +// NX paste RMA reject in DSI +#define MMU_FTR_NX_DSI ASM_CONST(0x80000000) + /* MMU feature bit sets for various CPUs */ #define MMU_FTRS_DEFAULT_HPTE_ARCH_V2 (MMU_FTR_HPTE_TABLE | MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE) #define MMU_FTRS_POWER MMU_FTRS_DEFAULT_HPTE_ARCH_V2 @@ -141,7 +144,7 @@ typedef pte_t *pgtable_t; -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 #include <asm/percpu.h> DECLARE_PER_CPU(int, next_tlbcam_idx); #endif @@ -162,7 +165,7 @@ enum { #elif defined(CONFIG_44x) MMU_FTR_TYPE_44x | #endif -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX | #endif #ifdef CONFIG_PPC_BOOK3S_32 @@ -181,7 +184,7 @@ enum { #endif #ifdef CONFIG_PPC_RADIX_MMU MMU_FTR_TYPE_RADIX | - MMU_FTR_GTSE | + MMU_FTR_GTSE | MMU_FTR_NX_DSI | #endif /* CONFIG_PPC_RADIX_MMU */ #endif #ifdef CONFIG_PPC_KUAP @@ -211,7 +214,7 @@ enum { #elif defined(CONFIG_44x) #define MMU_FTRS_ALWAYS MMU_FTR_TYPE_44x #endif -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 #define MMU_FTRS_ALWAYS MMU_FTR_TYPE_FSL_E #endif diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 3f25bd3e14eb84..c1ea270bb8486d 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -31,7 +31,6 @@ extern long mm_iommu_newdev(struct mm_struct *mm, unsigned long ua, extern long mm_iommu_put(struct mm_struct *mm, struct mm_iommu_table_group_mem_t *mem); extern void mm_iommu_init(struct mm_struct *mm); -extern void mm_iommu_cleanup(struct mm_struct *mm); extern struct mm_iommu_table_group_mem_t *mm_iommu_lookup(struct mm_struct *mm, unsigned long ua, unsigned long size); extern struct mm_iommu_table_group_mem_t *mm_iommu_get(struct mm_struct *mm, @@ -117,7 +116,6 @@ static inline bool need_extra_context(struct mm_struct *mm, unsigned long ea) } #endif -extern void switch_cop(struct mm_struct *next); extern int use_cop(unsigned long acop, struct mm_struct *mm); extern void drop_cop(unsigned long acop, struct mm_struct *mm); diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 9091e4904a6b6a..0d40b33184ebe9 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -130,10 +130,10 @@ void unmap_kernel_page(unsigned long va); #include <asm/nohash/32/pte-40x.h> #elif defined(CONFIG_44x) #include <asm/nohash/32/pte-44x.h> -#elif defined(CONFIG_FSL_BOOKE) && defined(CONFIG_PTE_64BIT) -#include <asm/nohash/pte-book3e.h> -#elif defined(CONFIG_FSL_BOOKE) -#include <asm/nohash/32/pte-fsl-booke.h> +#elif defined(CONFIG_PPC_85xx) && defined(CONFIG_PTE_64BIT) +#include <asm/nohash/pte-e500.h> +#elif defined(CONFIG_PPC_85xx) +#include <asm/nohash/32/pte-85xx.h> #elif defined(CONFIG_PPC_8xx) #include <asm/nohash/32/pte-8xx.h> #endif diff --git a/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h b/arch/powerpc/include/asm/nohash/32/pte-85xx.h index 0fc1bd42bb3ee3..93fb8e11a3f12a 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h +++ b/arch/powerpc/include/asm/nohash/32/pte-85xx.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H -#define _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H +#ifndef _ASM_POWERPC_NOHASH_32_PTE_85xx_H +#define _ASM_POWERPC_NOHASH_32_PTE_85xx_H #ifdef __KERNEL__ /* PTE bit definitions for Freescale BookE SW loaded TLB MMU based @@ -71,4 +71,4 @@ #define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) #endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H */ +#endif /* _ASM_POWERPC_NOHASH_32_PTE_FSL_85xx_H */ diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 599921cc257e0e..879e9a6e5a870a 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -70,7 +70,7 @@ /* * Include the PTE bits definitions */ -#include <asm/nohash/pte-book3e.h> +#include <asm/nohash/pte-e500.h> #define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1)) diff --git a/arch/powerpc/include/asm/nohash/hugetlb-book3e.h b/arch/powerpc/include/asm/nohash/hugetlb-e500.h index ecd8694cb229bc..8f04ad20e0403e 100644 --- a/arch/powerpc/include/asm/nohash/hugetlb-book3e.h +++ b/arch/powerpc/include/asm/nohash/hugetlb-e500.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_HUGETLB_BOOK3E_H -#define _ASM_POWERPC_NOHASH_HUGETLB_BOOK3E_H +#ifndef _ASM_POWERPC_NOHASH_HUGETLB_E500_H +#define _ASM_POWERPC_NOHASH_HUGETLB_E500_H static inline pte_t *hugepd_page(hugepd_t hpd) { @@ -30,7 +30,7 @@ void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift) { - /* We use the old format for PPC_FSL_BOOK3E */ + /* We use the old format for PPC_E500 */ *hpdp = __hugepd(((unsigned long)new & ~PD_HUGE) | pshift); } @@ -42,4 +42,4 @@ static inline int check_and_get_huge_psize(int shift) return shift_to_mmu_psize(shift); } -#endif /* _ASM_POWERPC_NOHASH_HUGETLB_BOOK3E_H */ +#endif /* _ASM_POWERPC_NOHASH_HUGETLB_E500_H */ diff --git a/arch/powerpc/include/asm/nohash/mmu-book3e.h b/arch/powerpc/include/asm/nohash/mmu-e500.h index e43a418d3ccd0c..e43a418d3ccd0c 100644 --- a/arch/powerpc/include/asm/nohash/mmu-book3e.h +++ b/arch/powerpc/include/asm/nohash/mmu-e500.h diff --git a/arch/powerpc/include/asm/nohash/mmu.h b/arch/powerpc/include/asm/nohash/mmu.h index edc793e5f08f90..e264be219fdb89 100644 --- a/arch/powerpc/include/asm/nohash/mmu.h +++ b/arch/powerpc/include/asm/nohash/mmu.h @@ -8,9 +8,9 @@ #elif defined(CONFIG_44x) /* 44x-style software loaded TLB */ #include <asm/nohash/32/mmu-44x.h> -#elif defined(CONFIG_PPC_BOOK3E_MMU) +#elif defined(CONFIG_PPC_E500) /* Freescale Book-E software loaded TLB or Book-3e (ISA 2.06+) MMU */ -#include <asm/nohash/mmu-book3e.h> +#include <asm/nohash/mmu-e500.h> #elif defined (CONFIG_PPC_8xx) /* Motorola/Freescale 8xx software loaded TLB */ #include <asm/nohash/32/mmu-8xx.h> diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h index 29c43665a75367..4b62376318e11c 100644 --- a/arch/powerpc/include/asm/nohash/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/pgalloc.h @@ -15,7 +15,7 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, { } -#endif /* !CONFIG_PPC_BOOK3E */ +#endif /* !CONFIG_PPC_BOOK3E_64 */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index b499da6c1a994b..d9067dfc531ccd 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -11,31 +11,11 @@ /* Permission masks used for kernel mappings */ #define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW) #define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE) -#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ - _PAGE_NO_CACHE | _PAGE_GUARDED) +#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE | _PAGE_GUARDED) #define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX) #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - -/* Make modules code happy. We don't set RO yet */ -#define PAGE_KERNEL_EXEC PAGE_KERNEL_X - -/* Advertise special mapping type for AGP */ -#define PAGE_AGP (PAGE_KERNEL_NC) -#define HAVE_PAGE_AGP - #ifndef __ASSEMBLY__ /* Generic accessors to PTE bits */ @@ -277,12 +257,6 @@ static inline int pud_huge(pud_t pud) return 0; } -static inline int pgd_huge(pgd_t pgd) -{ - return 0; -} -#define pgd_huge pgd_huge - #define is_hugepd(hpd) (hugepd_ok(hpd)) #endif @@ -292,7 +266,7 @@ static inline int pgd_huge(pgd_t pgd) * We use it to ensure coherency between the i-cache and d-cache * for the page which has just been mapped in. */ -#if defined(CONFIG_PPC_FSL_BOOK3E) && defined(CONFIG_HUGETLB_PAGE) +#if defined(CONFIG_PPC_E500) && defined(CONFIG_HUGETLB_PAGE) void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); #else static inline diff --git a/arch/powerpc/include/asm/nohash/pte-book3e.h b/arch/powerpc/include/asm/nohash/pte-e500.h index f798640422c2d6..0934e8965e4ed8 100644 --- a/arch/powerpc/include/asm/nohash/pte-book3e.h +++ b/arch/powerpc/include/asm/nohash/pte-e500.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_PTE_BOOK3E_H -#define _ASM_POWERPC_NOHASH_PTE_BOOK3E_H +#ifndef _ASM_POWERPC_NOHASH_PTE_E500_H +#define _ASM_POWERPC_NOHASH_PTE_E500_H #ifdef __KERNEL__ /* PTE bit definitions for processors compliant to the Book3E @@ -126,4 +126,4 @@ static inline pte_t pte_mkexec(pte_t pte) #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_NOHASH_PTE_BOOK3E_H */ +#endif /* _ASM_POWERPC_NOHASH_PTE_E500_H */ diff --git a/arch/powerpc/include/asm/nohash/tlbflush.h b/arch/powerpc/include/asm/nohash/tlbflush.h index 698935d4f72ddd..bdaf34ad41ea6a 100644 --- a/arch/powerpc/include/asm/nohash/tlbflush.h +++ b/arch/powerpc/include/asm/nohash/tlbflush.h @@ -18,7 +18,7 @@ /* * TLB flushing for software loaded TLB chips * - * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & + * TODO: (CONFIG_PPC_85xx) determine if flush_tlb_range & * flush_tlb_kernel_range are best implemented as tlbia vs * specific tlbie's */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index bfd3142cd0ba7a..726125a534de80 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -324,16 +324,10 @@ extern int opal_flush_console(uint32_t vtermno); extern void hvc_opal_init_early(void); -extern int opal_notifier_register(struct notifier_block *nb); -extern int opal_notifier_unregister(struct notifier_block *nb); - extern int opal_message_notifier_register(enum opal_msg_type msg_type, struct notifier_block *nb); extern int opal_message_notifier_unregister(enum opal_msg_type msg_type, struct notifier_block *nb); -extern void opal_notifier_enable(void); -extern void opal_notifier_disable(void); -extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val); extern int opal_async_get_token_interruptible(void); extern int opal_async_release_token(int token); diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 4d7aaab8270232..09f1790d0ae165 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -18,7 +18,7 @@ #include <asm/lppaca.h> #include <asm/mmu.h> #include <asm/page.h> -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 #include <asm/exception-64e.h> #else #include <asm/exception-64s.h> @@ -127,7 +127,7 @@ struct paca_struct { #endif #endif /* CONFIG_PPC_BOOK3S_64 */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 u64 exgen[8] __aligned(0x40); /* Keep pgd in the same cacheline as the start of extlb */ pgd_t *pgd __aligned(0x40); /* Current PGD */ @@ -151,7 +151,7 @@ struct paca_struct { void *dbg_kstack; struct tlb_core_data tcd; -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ #ifdef CONFIG_PPC_64S_HASH_MMU unsigned char mm_ctx_low_slices_psize[BITS_PER_LONG / BITS_PER_BYTE]; @@ -168,7 +168,7 @@ struct paca_struct { #ifdef CONFIG_PPC64 u64 exit_save_r1; /* Syscall/interrupt R1 save */ #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 u16 trap_save; /* Used when bad stack is encountered */ #endif #ifdef CONFIG_PPC_BOOK3S_64 @@ -263,7 +263,6 @@ struct paca_struct { u64 l1d_flush_size; #endif #ifdef CONFIG_PPC_PSERIES - struct rtas_args *rtas_args_reentrant; u8 *mce_data_buf; /* buffer to hold per cpu rtas errlog */ #endif /* CONFIG_PPC_PSERIES */ diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index e5f75c70eda836..edf1dd1b0ca99e 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -31,7 +31,7 @@ extern unsigned int hpage_shift; #define HPAGE_SHIFT hpage_shift #elif defined(CONFIG_PPC_8xx) #define HPAGE_SHIFT 19 /* 512k pages */ -#elif defined(CONFIG_PPC_FSL_BOOK3E) +#elif defined(CONFIG_PPC_E500) #define HPAGE_SHIFT 22 /* 4M pages */ #endif #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) @@ -308,12 +308,6 @@ static inline bool pfn_valid(unsigned long pfn) #include <asm/pgtable-types.h> #endif - -#ifndef CONFIG_HUGETLB_PAGE -#define is_hugepd(pdep) (0) -#define pgd_huge(pgd) (0) -#endif /* CONFIG_HUGETLB_PAGE */ - struct page; extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); extern void copy_user_page(void *to, void *from, unsigned long vaddr, diff --git a/arch/powerpc/include/asm/paravirt.h b/arch/powerpc/include/asm/paravirt.h index eb7df559ae7497..f5ba1a3c41f8e5 100644 --- a/arch/powerpc/include/asm/paravirt.h +++ b/arch/powerpc/include/asm/paravirt.h @@ -21,6 +21,18 @@ static inline bool is_shared_processor(void) return static_branch_unlikely(&shared_processor); } +#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING +extern struct static_key paravirt_steal_enabled; +extern struct static_key paravirt_steal_rq_enabled; + +u64 pseries_paravirt_steal_clock(int cpu); + +static inline u64 paravirt_steal_clock(int cpu) +{ + return pseries_paravirt_steal_clock(cpu); +} +#endif + /* If bit 0 is set, the cpu has been ceded, conferred, or preempted */ static inline u32 yield_count_of(int cpu) { diff --git a/arch/powerpc/include/asm/paravirt_api_clock.h b/arch/powerpc/include/asm/paravirt_api_clock.h new file mode 100644 index 00000000000000..d25ca7ac57c714 --- /dev/null +++ b/arch/powerpc/include/asm/paravirt_api_clock.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <asm/paravirt.h> diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h index b169bbf95fcbe2..82633200b500da 100644 --- a/arch/powerpc/include/asm/pgtable-be-types.h +++ b/arch/powerpc/include/asm/pgtable-be-types.h @@ -101,6 +101,7 @@ static inline bool pmd_xchg(pmd_t *pmdp, pmd_t old, pmd_t new) return pmd_raw(old) == prev; } +#ifdef CONFIG_ARCH_HAS_HUGEPD typedef struct { __be64 pdbe; } hugepd_t; #define __hugepd(x) ((hugepd_t) { cpu_to_be64(x) }) @@ -108,5 +109,6 @@ static inline unsigned long hpd_val(hugepd_t x) { return be64_to_cpu(x.pdbe); } +#endif #endif /* _ASM_POWERPC_PGTABLE_BE_TYPES_H */ diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h index efed0db7b1db66..082c85cc09b144 100644 --- a/arch/powerpc/include/asm/pgtable-types.h +++ b/arch/powerpc/include/asm/pgtable-types.h @@ -83,11 +83,13 @@ static inline bool pte_xchg(pte_t *ptep, pte_t old, pte_t new) } #endif +#ifdef CONFIG_ARCH_HAS_HUGEPD typedef struct { unsigned long pd; } hugepd_t; #define __hugepd(x) ((hugepd_t) { (x) }) static inline unsigned long hpd_val(hugepd_t x) { return x.pd; } +#endif #endif /* _ASM_POWERPC_PGTABLE_TYPES_H */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 33f4bf8d22b01a..283f40d05a4d7e 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -20,6 +20,25 @@ struct mm_struct; #include <asm/nohash/pgtable.h> #endif /* !CONFIG_PPC_BOOK3S */ +/* + * Protection used for kernel text. We want the debuggers to be able to + * set breakpoints anywhere, so don't write protect the kernel text + * on platforms where such control is possible. + */ +#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) || \ + defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) +#define PAGE_KERNEL_TEXT PAGE_KERNEL_X +#else +#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX +#endif + +/* Make modules code happy. We don't set RO yet */ +#define PAGE_KERNEL_EXEC PAGE_KERNEL_X + +/* Advertise special mapping type for AGP */ +#define PAGE_AGP (PAGE_KERNEL_NC) +#define HAVE_PAGE_AGP + #ifndef __ASSEMBLY__ #ifndef MAX_PTRS_PER_PGD diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index c6d724104ed1a0..21e33e46f4b8cf 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -330,6 +330,7 @@ #define __PPC_XSP(s) ((((s) & 0x1e) | (((s) >> 5) & 0x1)) << 21) #define __PPC_XTP(s) __PPC_XSP(s) #define __PPC_T_TLB(t) (((t) & 0x3) << 21) +#define __PPC_PL(p) (((p) & 0x3) << 16) #define __PPC_WC(w) (((w) & 0x3) << 21) #define __PPC_WS(w) (((w) & 0x1f) << 11) #define __PPC_SH(s) __PPC_WS(s) @@ -388,7 +389,8 @@ #define PPC_RAW_RFDI (0x4c00004e) #define PPC_RAW_RFMCI (0x4c00004c) #define PPC_RAW_TLBILX(t, a, b) (0x7c000024 | __PPC_T_TLB(t) | __PPC_RA0(a) | __PPC_RB(b)) -#define PPC_RAW_WAIT(w) (0x7c00007c | __PPC_WC(w)) +#define PPC_RAW_WAIT_v203 (0x7c00007c) +#define PPC_RAW_WAIT(w, p) (0x7c00003c | __PPC_WC(w) | __PPC_PL(p)) #define PPC_RAW_TLBIE(lp, a) (0x7c000264 | ___PPC_RB(a) | ___PPC_RS(lp)) #define PPC_RAW_TLBIE_5(rb, rs, ric, prs, r) \ (0x7c000264 | ___PPC_RB(rb) | ___PPC_RS(rs) | ___PPC_RIC(ric) | ___PPC_PRS(prs) | ___PPC_R(r)) @@ -606,7 +608,8 @@ #define PPC_TLBILX_ALL(a, b) PPC_TLBILX(0, a, b) #define PPC_TLBILX_PID(a, b) PPC_TLBILX(1, a, b) #define PPC_TLBILX_VA(a, b) PPC_TLBILX(3, a, b) -#define PPC_WAIT(w) stringify_in_c(.long PPC_RAW_WAIT(w)) +#define PPC_WAIT_v203 stringify_in_c(.long PPC_RAW_WAIT_v203) +#define PPC_WAIT(w, p) stringify_in_c(.long PPC_RAW_WAIT(w, p)) #define PPC_TLBIE(lp, a) stringify_in_c(.long PPC_RAW_TLBIE(lp, a)) #define PPC_TLBIE_5(rb, rs, ric, prs, r) \ stringify_in_c(.long PPC_RAW_TLBIE_5(rb, rs, ric, prs, r)) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 83c02f5a7f2ab1..753a2757bcd4f3 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -34,6 +34,20 @@ .endm /* + * This expands to a sequence of register clears for regs start to end + * inclusive, of the form: + * + * li rN, 0 + */ +.macro ZEROIZE_REGS start, end + .Lreg=\start + .rept (\end - \start + 1) + li .Lreg, 0 + .Lreg=.Lreg+1 + .endr +.endm + +/* * Macros for storing registers into and loading registers from * exception frames. */ @@ -49,6 +63,14 @@ #define REST_NVGPRS(base) REST_GPRS(13, 31, base) #endif +#define ZEROIZE_GPRS(start, end) ZEROIZE_REGS start, end +#ifdef __powerpc64__ +#define ZEROIZE_NVGPRS() ZEROIZE_GPRS(14, 31) +#else +#define ZEROIZE_NVGPRS() ZEROIZE_GPRS(13, 31) +#endif +#define ZEROIZE_GPR(n) ZEROIZE_GPRS(n, n) + #define SAVE_GPR(n, base) SAVE_GPRS(n, n, base) #define REST_GPR(n, base) REST_GPRS(n, n, base) @@ -305,6 +327,12 @@ n: #ifdef __powerpc64__ +#define __LOAD_PACA_TOC(reg) \ + ld reg,PACATOC(r13) + +#define LOAD_PACA_TOC() \ + __LOAD_PACA_TOC(r2) + #define LOAD_REG_IMMEDIATE(reg, expr) __LOAD_REG_IMMEDIATE reg, expr #define LOAD_REG_IMMEDIATE_SYM(reg, tmp, expr) \ @@ -315,7 +343,19 @@ n: rldimi reg, tmp, 32, 0 #define LOAD_REG_ADDR(reg,name) \ - ld reg,name@got(r2) + addis reg,r2,name@toc@ha; \ + addi reg,reg,name@toc@l + +#ifdef CONFIG_PPC_BOOK3E_64 +/* + * This is used in register-constrained interrupt handlers. Not to be used + * by BOOK3S. ld complains with "got/toc optimization is not supported" if r2 + * is not used for the TOC offset, so use @got(tocreg). If the interrupt + * handlers saved r2 instead, LOAD_REG_ADDR could be used. + */ +#define LOAD_REG_ADDR_ALTTOC(reg,tocreg,name) \ + ld reg,name@got(tocreg) +#endif #define LOAD_REG_ADDRBASE(reg,name) LOAD_REG_ADDR(reg,name) #define ADDROFF(name) 0 @@ -342,7 +382,7 @@ n: #endif /* various errata or part fixups */ -#if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) +#if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_E500) #define MFTB(dest) \ 90: mfspr dest, SPRN_TBRL; \ BEGIN_FTR_SECTION_NESTED(96); \ @@ -709,7 +749,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) * kernel is built for. */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 #define FIXUP_ENDIAN #else /* @@ -749,7 +789,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) .long 0x2402004c; /* hrfid */ \ 191: -#endif /* !CONFIG_PPC_BOOK3E */ +#endif /* !CONFIG_PPC_BOOK3E_64 */ #endif /* __ASSEMBLY__ */ @@ -768,7 +808,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) stringify_in_c(.llong (_target);) \ stringify_in_c(.previous) -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 #define BTB_FLUSH(reg) \ lis reg,BUCSR_INIT@h; \ ori reg,reg,BUCSR_INIT@l; \ @@ -776,6 +816,6 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) isync; #else #define BTB_FLUSH(reg) -#endif /* CONFIG_PPC_FSL_BOOK3E */ +#endif /* CONFIG_PPC_E500 */ #endif /* _ASM_POWERPC_PPC_ASM_H */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index fdfaae194ddd5c..9bff4ab8242d67 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -355,11 +355,23 @@ static inline unsigned long __pack_fe01(unsigned int fpmode) #ifdef CONFIG_PPC64 -#define spin_begin() HMT_low() - -#define spin_cpu_relax() barrier() - -#define spin_end() HMT_medium() +#define spin_begin() \ + asm volatile(ASM_FTR_IFCLR( \ + "or 1,1,1", /* HMT_LOW */ \ + "nop", /* v3.1 uses pause_short in cpu_relax instead */ \ + %0) :: "i" (CPU_FTR_ARCH_31) : "memory") + +#define spin_cpu_relax() \ + asm volatile(ASM_FTR_IFCLR( \ + "nop", /* Before v3.1 use priority nops in spin_begin/end */ \ + PPC_WAIT(2, 0), /* aka pause_short */ \ + %0) :: "i" (CPU_FTR_ARCH_31) : "memory") + +#define spin_end() \ + asm volatile(ASM_FTR_IFCLR( \ + "or 2,2,2", /* HMT_MEDIUM */ \ + "nop", \ + %0) :: "i" (CPU_FTR_ARCH_31) : "memory") #endif @@ -426,6 +438,8 @@ extern int fix_alignment(struct pt_regs *); #endif int do_mathemu(struct pt_regs *regs); +int do_spe_mathemu(struct pt_regs *regs); +int speround_handler(struct pt_regs *regs); /* VMX copying */ int enter_vmx_usercopy(void); diff --git a/arch/powerpc/include/asm/ps3av.h b/arch/powerpc/include/asm/ps3av.h index 82db78fc169dd2..c8b0f2ffcd3567 100644 --- a/arch/powerpc/include/asm/ps3av.h +++ b/arch/powerpc/include/asm/ps3av.h @@ -726,6 +726,4 @@ extern int ps3av_video_mode2res(u32, u32 *, u32 *); extern int ps3av_video_mute(int); extern int ps3av_audio_mute(int); extern int ps3av_audio_mute_analog(int); -extern int ps3av_dev_open(void); -extern int ps3av_dev_close(void); #endif /* _ASM_POWERPC_PS3AV_H_ */ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index a03403695cd4ee..2efec6d87049ea 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -99,6 +99,13 @@ struct pt_regs #define STACK_FRAME_WITH_PT_REGS (STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)) +// Always displays as "REGS" in memory dumps +#ifdef CONFIG_CPU_BIG_ENDIAN +#define STACK_FRAME_REGS_MARKER ASM_CONST(0x52454753) +#else +#define STACK_FRAME_REGS_MARKER ASM_CONST(0x53474552) +#endif + #ifdef __powerpc64__ /* @@ -115,7 +122,6 @@ struct pt_regs #define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ -#define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265) #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_FRAME_MARKER 12 @@ -136,7 +142,6 @@ struct pt_regs #define KERNEL_REDZONE_SIZE 0 #define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ -#define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773) #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) #define STACK_FRAME_MARKER 2 #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 17b8dcd9a40ded..af56980b6cdbea 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -246,7 +246,7 @@ #define PPC47x_MCSR_FPR 0x00800000 /* FPR parity error */ #define PPC47x_MCSR_IPR 0x00400000 /* Imprecise Machine Check Exception */ -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 /* All e500 */ #define MCSR_MCP 0x80000000UL /* Machine Check Input Pin */ #define MCSR_ICPERR 0x40000000UL /* I-Cache Parity Error */ @@ -282,7 +282,7 @@ #endif /* Bit definitions for the HID1 */ -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 /* e500v1/v2 */ #define HID1_PLL_CFG_MASK 0xfc000000 /* PLL_CFG input pins */ #define HID1_RFXE 0x00020000 /* Read fault exception enable */ @@ -545,7 +545,7 @@ #define TCR_FIE 0x00800000 /* FIT Interrupt Enable */ #define TCR_ARE 0x00400000 /* Auto Reload Enable */ -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 #define TCR_GET_WP(tcr) ((((tcr) & 0xC0000000) >> 30) | \ (((tcr) & 0x1E0000) >> 15)) #else diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 00531af17ce053..56319aea646e6a 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -240,7 +240,6 @@ extern struct rtas_t rtas; extern int rtas_token(const char *service); extern int rtas_service_present(const char *service); extern int rtas_call(int token, int, int, int *, ...); -int rtas_call_reentrant(int token, int nargs, int nret, int *outputs, ...); void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, int nret, ...); extern void __noreturn rtas_restart(char *cmd); diff --git a/arch/powerpc/include/asm/runlatch.h b/arch/powerpc/include/asm/runlatch.h index cfb390edf7d011..ceb66d761fe1f7 100644 --- a/arch/powerpc/include/asm/runlatch.h +++ b/arch/powerpc/include/asm/runlatch.h @@ -19,10 +19,9 @@ extern void __ppc64_runlatch_off(void); do { \ if (cpu_has_feature(CPU_FTR_CTRL) && \ test_thread_local_flags(_TLF_RUNLATCH)) { \ - unsigned long msr = mfmsr(); \ __hard_irq_disable(); \ __ppc64_runlatch_off(); \ - if (msr & MSR_EE) \ + if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) \ __hard_irq_enable(); \ } \ } while (0) @@ -31,10 +30,9 @@ extern void __ppc64_runlatch_off(void); do { \ if (cpu_has_feature(CPU_FTR_CTRL) && \ !test_thread_local_flags(_TLF_RUNLATCH)) { \ - unsigned long msr = mfmsr(); \ __hard_irq_disable(); \ __ppc64_runlatch_on(); \ - if (msr & MSR_EE) \ + if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) \ __hard_irq_enable(); \ } \ } while (0) diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 8be2c491c73319..9c00c9c0ca8f17 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -13,15 +13,26 @@ typedef struct func_desc func_desc_t; #include <asm-generic/sections.h> extern char __head_end[]; +extern char __srwx_boundary[]; + +/* Patch sites */ +extern s32 patch__call_flush_branch_caches1; +extern s32 patch__call_flush_branch_caches2; +extern s32 patch__call_flush_branch_caches3; +extern s32 patch__flush_count_cache_return; +extern s32 patch__flush_link_stack_return; +extern s32 patch__call_kvm_flush_link_stack; +extern s32 patch__call_kvm_flush_link_stack_p9; +extern s32 patch__memset_nocache, patch__memcpy_nocache; + +extern long flush_branch_caches; +extern long kvm_flush_link_stack; #ifdef __powerpc64__ extern char __start_interrupts[]; extern char __end_interrupts[]; -extern char __prom_init_toc_start[]; -extern char __prom_init_toc_end[]; - #ifdef CONFIG_PPC_POWERNV extern char start_real_trampolines[]; extern char end_real_trampolines[]; diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index d8c28902cf597b..e29e83f8a89c8a 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -7,7 +7,6 @@ #ifndef __ASSEMBLY__ extern void ppc_printk_progress(char *s, unsigned short hex); -extern unsigned int rtas_data; extern unsigned long long memory_limit; extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); @@ -70,7 +69,7 @@ void do_barrier_nospec_fixups_range(bool enable, void *start, void *end); static inline void do_barrier_nospec_fixups_range(bool enable, void *start, void *end) { } #endif -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 void __init setup_spectre_v2(void); #else static inline void setup_spectre_v2(void) {} @@ -89,6 +88,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long pp, unsigned long r6, unsigned long r7, unsigned long kbase); +extern struct seq_buf ppc_hw_desc; + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index 7130176d8cb882..b0b4c64870d77c 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -44,7 +44,7 @@ static inline void ppc_after_tlbiel_barrier(void) #if defined(__powerpc64__) # define LWSYNC lwsync -#elif defined(CONFIG_E500) +#elif defined(CONFIG_PPC_E500) # define LWSYNC \ START_LWSYNC_SECTION(96); \ sync; \ diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index 25fc8ad9a27afa..3dd36c5e334a9d 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -14,9 +14,16 @@ #include <linux/sched.h> #include <linux/thread_info.h> +#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER +typedef long (*syscall_fn)(const struct pt_regs *); +#else +typedef long (*syscall_fn)(unsigned long, unsigned long, unsigned long, + unsigned long, unsigned long, unsigned long); +#endif + /* ftrace syscalls requires exporting the sys_call_table */ -extern const unsigned long sys_call_table[]; -extern const unsigned long compat_sys_call_table[]; +extern const syscall_fn sys_call_table[]; +extern const syscall_fn compat_sys_call_table[]; static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { diff --git a/arch/powerpc/include/asm/syscall_wrapper.h b/arch/powerpc/include/asm/syscall_wrapper.h new file mode 100644 index 00000000000000..67486c67e8a249 --- /dev/null +++ b/arch/powerpc/include/asm/syscall_wrapper.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * syscall_wrapper.h - powerpc specific wrappers to syscall definitions + * + * Based on arch/{x86,arm64}/include/asm/syscall_wrapper.h + */ + +#ifndef __ASM_POWERPC_SYSCALL_WRAPPER_H +#define __ASM_POWERPC_SYSCALL_WRAPPER_H + +struct pt_regs; + +#define SC_POWERPC_REGS_TO_ARGS(x, ...) \ + __MAP(x,__SC_ARGS \ + ,,regs->gpr[3],,regs->gpr[4],,regs->gpr[5] \ + ,,regs->gpr[6],,regs->gpr[7],,regs->gpr[8]) + +#define __SYSCALL_DEFINEx(x, name, ...) \ + long sys##name(const struct pt_regs *regs); \ + ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ + static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ + static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ + long sys##name(const struct pt_regs *regs) \ + { \ + return __se_sys##name(SC_POWERPC_REGS_TO_ARGS(x,__VA_ARGS__)); \ + } \ + static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ + { \ + long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \ + __MAP(x,__SC_TEST,__VA_ARGS__); \ + __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ + return ret; \ + } \ + static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) + +#define SYSCALL_DEFINE0(sname) \ + SYSCALL_METADATA(_##sname, 0); \ + long sys_##sname(const struct pt_regs *__unused); \ + ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ + long sys_##sname(const struct pt_regs *__unused) + +#define COND_SYSCALL(name) \ + long sys_##name(const struct pt_regs *regs); \ + long __weak sys_##name(const struct pt_regs *regs) \ + { \ + return sys_ni_syscall(); \ + } + +#endif // __ASM_POWERPC_SYSCALL_WRAPPER_H diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h index a2b13e55254fb8..9840d572da553c 100644 --- a/arch/powerpc/include/asm/syscalls.h +++ b/arch/powerpc/include/asm/syscalls.h @@ -8,49 +8,131 @@ #include <linux/types.h> #include <linux/compat.h> +#include <asm/syscall.h> +#ifdef CONFIG_PPC64 +#include <asm/syscalls_32.h> +#endif +#include <asm/unistd.h> +#include <asm/ucontext.h> + +#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER +long sys_ni_syscall(void); +#else +long sys_ni_syscall(const struct pt_regs *regs); +#endif + struct rtas_args; -asmlinkage long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset); -asmlinkage long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); -asmlinkage long ppc64_personality(unsigned long personality); -asmlinkage long sys_rtas(struct rtas_args __user *uargs); -int ppc_select(int n, fd_set __user *inp, fd_set __user *outp, - fd_set __user *exp, struct __kernel_old_timeval __user *tvp); -long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, - u32 len_high, u32 len_low); +/* + * long long munging: + * The 32 bit ABI passes long longs in an odd even register pair. + * High and low parts are swapped depending on endian mode, + * so define a macro (similar to mips linux32) to handle that. + */ +#ifdef __LITTLE_ENDIAN__ +#define merge_64(low, high) (((u64)high << 32) | low) +#else +#define merge_64(high, low) (((u64)high << 32) | low) +#endif + +/* + * PowerPC architecture-specific syscalls + */ + +#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER + +long sys_rtas(struct rtas_args __user *uargs); +#ifdef CONFIG_PPC64 +long sys_ppc64_personality(unsigned long personality); #ifdef CONFIG_COMPAT -unsigned long compat_sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); +long compat_sys_ppc64_personality(unsigned long personality); +#endif /* CONFIG_COMPAT */ +#endif /* CONFIG_PPC64 */ -compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2); +long sys_swapcontext(struct ucontext __user *old_ctx, + struct ucontext __user *new_ctx, long ctx_size); +long sys_mmap(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, off_t offset); +long sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +long sys_switch_endian(void); -compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2); +#ifdef CONFIG_PPC32 +long sys_sigreturn(void); +long sys_debug_setcontext(struct ucontext __user *ctx, int ndbg, + struct sig_dbg_op __user *dbg); +#endif -compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count); +long sys_rt_sigreturn(void); -int compat_sys_truncate64(const char __user *path, u32 reg4, - unsigned long len1, unsigned long len2); +long sys_subpage_prot(unsigned long addr, + unsigned long len, u32 __user *map); -long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2, u32 len1, u32 len2); +#ifdef CONFIG_COMPAT +long compat_sys_swapcontext(struct ucontext32 __user *old_ctx, + struct ucontext32 __user *new_ctx, + int ctx_size); +long compat_sys_old_getrlimit(unsigned int resource, + struct compat_rlimit __user *rlim); +long compat_sys_sigreturn(void); +long compat_sys_rt_sigreturn(void); +#endif /* CONFIG_COMPAT */ -int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1, - unsigned long len2); +/* + * Architecture specific signatures required by long long munging: + * The 32 bit ABI passes long longs in an odd even register pair. + * The following signatures provide a machine long parameter for + * each register that will be supplied. The implementation is + * responsible for combining parameter pairs. + */ -long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2, - size_t len, int advice); +#ifdef CONFIG_COMPAT +long compat_sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +long compat_sys_ppc_pread64(unsigned int fd, + char __user *ubuf, compat_size_t count, + u32 reg6, u32 pos1, u32 pos2); +long compat_sys_ppc_pwrite64(unsigned int fd, + const char __user *ubuf, compat_size_t count, + u32 reg6, u32 pos1, u32 pos2); +long compat_sys_ppc_readahead(int fd, u32 r4, + u32 offset1, u32 offset2, u32 count); +long compat_sys_ppc_truncate64(const char __user *path, u32 reg4, + unsigned long len1, unsigned long len2); +long compat_sys_ppc_ftruncate64(unsigned int fd, u32 reg4, + unsigned long len1, unsigned long len2); +long compat_sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2, + size_t len, int advice); +long compat_sys_ppc_sync_file_range2(int fd, unsigned int flags, + unsigned int offset1, + unsigned int offset2, + unsigned int nbytes1, + unsigned int nbytes2); +#endif /* CONFIG_COMPAT */ -long compat_sys_sync_file_range2(int fd, unsigned int flags, - unsigned int offset1, unsigned int offset2, - unsigned int nbytes1, unsigned int nbytes2); +#if defined(CONFIG_PPC32) || defined(CONFIG_COMPAT) +long sys_ppc_fadvise64_64(int fd, int advice, + u32 offset_high, u32 offset_low, + u32 len_high, u32 len_low); #endif +#else + +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) +#define __SYSCALL(nr, entry) \ + long entry(const struct pt_regs *regs); + +#ifdef CONFIG_PPC64 +#include <asm/syscall_table_64.h> +#else +#include <asm/syscall_table_32.h> +#endif /* CONFIG_PPC64 */ + +#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_SYSCALLS_H */ diff --git a/arch/powerpc/kernel/ppc32.h b/arch/powerpc/include/asm/syscalls_32.h index 2346f8c7ff2ed1..749255568be90a 100644 --- a/arch/powerpc/kernel/ppc32.h +++ b/arch/powerpc/include/asm/syscalls_32.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -#ifndef _PPC64_PPC32_H -#define _PPC64_PPC32_H +#ifndef _ASM_POWERPC_SYSCALLS_32_H +#define _ASM_POWERPC_SYSCALLS_32_H #include <linux/compat.h> #include <asm/siginfo.h> @@ -57,4 +57,4 @@ struct ucontext32 { struct mcontext32 uc_mcontext; }; -#endif /* _PPC64_PPC32_H */ +#endif // _ASM_POWERPC_SYSCALLS_32_H diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 1e5643a9b1f2eb..9f50766c4623e5 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -116,8 +116,9 @@ unsigned long long tb_to_ns(unsigned long long tb_ticks); void timer_broadcast_interrupt(void); -/* SPLPAR */ -void accumulate_stolen_time(void); +/* SPLPAR and VIRT_CPU_ACCOUNTING_NATIVE */ +void pseries_accumulate_stolen_time(void); +u64 pseries_calculate_stolen_time(u64 stop_tb); #endif /* __KERNEL__ */ #endif /* __POWERPC_TIME_H */ diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index b4aa0d88ce2c51..b1f094728b3591 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -15,13 +15,13 @@ extern void (*udbg_flush)(void); extern int (*udbg_getc)(void); extern int (*udbg_getc_poll)(void); -extern void udbg_puts(const char *s); -extern int udbg_write(const char *s, int n); +void udbg_puts(const char *s); +int udbg_write(const char *s, int n); -extern void register_early_udbg_console(void); -extern void udbg_printf(const char *fmt, ...) +void register_early_udbg_console(void); +void udbg_printf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); -extern void udbg_progress(char *s, unsigned short hex); +void udbg_progress(char *s, unsigned short hex); void __init udbg_uart_init_mmio(void __iomem *addr, unsigned int stride); void __init udbg_uart_init_pio(unsigned long port, unsigned int stride); @@ -31,28 +31,28 @@ unsigned int __init udbg_probe_uart_speed(unsigned int clock); struct device_node; void __init udbg_scc_init(int force_scc); -extern int udbg_adb_init(int force_btext); -extern void udbg_adb_init_early(void); - -extern void __init udbg_early_init(void); -extern void __init udbg_init_debug_lpar(void); -extern void __init udbg_init_debug_lpar_hvsi(void); -extern void __init udbg_init_pmac_realmode(void); -extern void __init udbg_init_maple_realmode(void); -extern void __init udbg_init_pas_realmode(void); -extern void __init udbg_init_rtas_panel(void); -extern void __init udbg_init_rtas_console(void); -extern void __init udbg_init_debug_beat(void); -extern void __init udbg_init_btext(void); -extern void __init udbg_init_44x_as1(void); -extern void __init udbg_init_40x_realmode(void); -extern void __init udbg_init_cpm(void); -extern void __init udbg_init_usbgecko(void); -extern void __init udbg_init_memcons(void); -extern void __init udbg_init_ehv_bc(void); -extern void __init udbg_init_ps3gelic(void); -extern void __init udbg_init_debug_opal_raw(void); -extern void __init udbg_init_debug_opal_hvsi(void); +int udbg_adb_init(int force_btext); +void udbg_adb_init_early(void); + +void __init udbg_early_init(void); +void __init udbg_init_debug_lpar(void); +void __init udbg_init_debug_lpar_hvsi(void); +void __init udbg_init_pmac_realmode(void); +void __init udbg_init_maple_realmode(void); +void __init udbg_init_pas_realmode(void); +void __init udbg_init_rtas_panel(void); +void __init udbg_init_rtas_console(void); +void __init udbg_init_btext(void); +void __init udbg_init_44x_as1(void); +void __init udbg_init_40x_realmode(void); +void __init udbg_init_cpm(void); +void __init udbg_init_usbgecko(void); +void __init udbg_init_memcons(void); +void __init udbg_init_ehv_bc(void); +void __init udbg_init_ps3gelic(void); +void __init udbg_init_debug_opal_raw(void); +void __init udbg_init_debug_opal_hvsi(void); +void __init udbg_init_debug_16550(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UDBG_H */ diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index b1129b4ef57d90..659a996c75aa8c 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -45,6 +45,7 @@ #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_NEWFSTATAT #define __ARCH_WANT_COMPAT_STAT +#define __ARCH_WANT_COMPAT_FALLOCATE #define __ARCH_WANT_COMPAT_SYS_SENDFILE #endif #define __ARCH_WANT_SYS_FORK diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h index 8542e9bbeead30..7650b6ce14c85a 100644 --- a/arch/powerpc/include/asm/vdso.h +++ b/arch/powerpc/include/asm/vdso.h @@ -2,9 +2,6 @@ #ifndef _ASM_POWERPC_VDSO_H #define _ASM_POWERPC_VDSO_H -/* Default map addresses for 32bit vDSO */ -#define VDSO32_MBASE 0x100000 - #define VDSO_VERSION_STRING LINUX_2.6.15 #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/include/asm/vdso/processor.h b/arch/powerpc/include/asm/vdso/processor.h index 8d79f994b4aa20..80d13207c5688d 100644 --- a/arch/powerpc/include/asm/vdso/processor.h +++ b/arch/powerpc/include/asm/vdso/processor.h @@ -22,7 +22,13 @@ #endif #ifdef CONFIG_PPC64 -#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0) +#define cpu_relax() \ + asm volatile(ASM_FTR_IFCLR( \ + /* Pre-POWER10 uses low ; medium priority nops */ \ + "or 1,1,1 ; or 2,2,2", \ + /* POWER10 onward uses pause_short (wait 2,0) */ \ + PPC_WAIT(2, 0), \ + %0) :: "i" (CPU_FTR_ARCH_31) : "memory") #else #define cpu_relax() barrier() #endif diff --git a/arch/powerpc/include/asm/vdso/timebase.h b/arch/powerpc/include/asm/vdso/timebase.h index 891c9d5eaabe10..e9245f86a46cfb 100644 --- a/arch/powerpc/include/asm/vdso/timebase.h +++ b/arch/powerpc/include/asm/vdso/timebase.h @@ -12,7 +12,7 @@ * We use __powerpc64__ here because we want the compat VDSO to use the 32-bit * version below in the else case of the ifdef. */ -#if defined(__powerpc64__) && (defined(CONFIG_PPC_CELL) || defined(CONFIG_E500)) +#if defined(__powerpc64__) && (defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_E500)) #define mftb() ({unsigned long rval; \ asm volatile( \ "90: mfspr %0, %2;\n" \ diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index e2e704eca5f65b..89090485bec18f 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -159,7 +159,6 @@ extern void xics_setup_cpu(void); extern void xics_update_irq_servers(void); extern void xics_set_cpu_giq(unsigned int gserver, unsigned int join); extern void xics_mask_unknown_vec(unsigned int vec); -extern irqreturn_t xics_ipi_dispatch(int cpu); extern void xics_smp_probe(void); extern void xics_register_ics(struct ics *ics); extern void xics_teardown_cpu(void); diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/85xx_entry_mapping.S index dedc17fac8f806..dedc17fac8f806 100644 --- a/arch/powerpc/kernel/fsl_booke_entry_mapping.S +++ b/arch/powerpc/kernel/85xx_entry_mapping.S diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 06d2d1f78f71b4..1f121c1888051f 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -81,7 +81,7 @@ obj-$(CONFIG_PPC_DAWR) += dawr.o obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o -obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o +obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_64e.o obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o obj-$(CONFIG_PPC64) += vdso64_wrapper.o obj-$(CONFIG_ALTIVEC) += vecemu.o @@ -100,21 +100,19 @@ obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_FA_DUMP) += fadump.o obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o -ifdef CONFIG_PPC32 -obj-$(CONFIG_E500) += idle_e500.o -endif +obj-$(CONFIG_PPC_85xx) += idle_85xx.o obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o obj-$(CONFIG_TAU) += tau_6xx.o obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o -ifdef CONFIG_FSL_BOOKE -obj-$(CONFIG_HIBERNATION) += swsusp_booke.o +ifdef CONFIG_PPC_85xx +obj-$(CONFIG_HIBERNATION) += swsusp_85xx.o else obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o endif obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o obj-$(CONFIG_MODULES) += module.o module_$(BITS).o obj-$(CONFIG_44x) += cpu_setup_44x.o -obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o +obj-$(CONFIG_PPC_E500) += cpu_setup_e500.o obj-$(CONFIG_PPC_DOORBELL) += dbell.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o @@ -122,7 +120,7 @@ extra-$(CONFIG_PPC64) := head_64.o extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.o extra-$(CONFIG_40x) := head_40x.o extra-$(CONFIG_44x) := head_44x.o -extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o +extra-$(CONFIG_PPC_85xx) := head_85xx.o extra-$(CONFIG_PPC_8xx) := head_8xx.o extra-y += vmlinux.lds diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 8c10f536e47891..4ce2a4aa398543 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -59,7 +59,7 @@ #endif #endif -#if defined(CONFIG_PPC_FSL_BOOK3E) +#if defined(CONFIG_PPC_E500) #include "../mm/mmu_decl.h" #endif @@ -197,7 +197,7 @@ int main(void) OFFSET(PACAIRQHAPPENED, paca_struct, irq_happened); OFFSET(PACA_FTRACE_ENABLED, paca_struct, ftrace_enabled); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 OFFSET(PACAPGD, paca_struct, pgd); OFFSET(PACA_KERNELPGD, paca_struct, kernel_pgd); OFFSET(PACA_EXGEN, paca_struct, exgen); @@ -213,7 +213,7 @@ int main(void) OFFSET(TCD_ESEL_NEXT, tlb_core_data, esel_next); OFFSET(TCD_ESEL_MAX, tlb_core_data, esel_max); OFFSET(TCD_ESEL_FIRST, tlb_core_data, esel_first); -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ #ifdef CONFIG_PPC_BOOK3S_64 OFFSET(PACA_EXGEN, paca_struct, exgen); @@ -248,7 +248,7 @@ int main(void) #ifdef CONFIG_PPC64 OFFSET(PACA_EXIT_SAVE_R1, paca_struct, exit_save_r1); #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 OFFSET(PACA_TRAP_SAVE, paca_struct, trap_save); #endif OFFSET(PACA_SPRG_VDSO, paca_struct, sprg_vdso); @@ -651,7 +651,7 @@ int main(void) DEFINE(PGD_T_LOG2, PGD_T_LOG2); DEFINE(PTE_T_LOG2, PTE_T_LOG2); #endif -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam)); OFFSET(TLBCAM_MAS0, tlbcam, MAS0); OFFSET(TLBCAM_MAS1, tlbcam, MAS1); diff --git a/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/arch/powerpc/kernel/cpu_setup_e500.S index 4bf33f1b4193cf..2ab25161b0adc9 100644 --- a/arch/powerpc/kernel/cpu_setup_fsl_booke.S +++ b/arch/powerpc/kernel/cpu_setup_e500.S @@ -12,7 +12,7 @@ #include <asm/processor.h> #include <asm/cputable.h> #include <asm/ppc_asm.h> -#include <asm/nohash/mmu-book3e.h> +#include <asm/nohash/mmu-e500.h> #include <asm/asm-offsets.h> #include <asm/mpc85xx.h> @@ -108,7 +108,7 @@ _GLOBAL(__setup_cpu_e6500) #endif /* CONFIG_PPC_E500MC */ #ifdef CONFIG_PPC32 -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 #ifndef CONFIG_PPC_E500MC _GLOBAL(__setup_cpu_e500v1) _GLOBAL(__setup_cpu_e500v2) @@ -156,7 +156,7 @@ _GLOBAL(__setup_cpu_e5500) mtlr r5 blr #endif /* CONFIG_PPC_E500MC */ -#endif /* CONFIG_E500 */ +#endif /* CONFIG_PPC_E500 */ #endif /* CONFIG_PPC32 */ #ifdef CONFIG_PPC_BOOK3E_64 diff --git a/arch/powerpc/kernel/cpu_setup_power.c b/arch/powerpc/kernel/cpu_setup_power.c index 3dc61e203f37dc..097c033668f0fa 100644 --- a/arch/powerpc/kernel/cpu_setup_power.c +++ b/arch/powerpc/kernel/cpu_setup_power.c @@ -11,7 +11,7 @@ #include <asm/synch.h> #include <linux/bitops.h> #include <asm/cputable.h> -#include <asm/cpu_setup_power.h> +#include <asm/cpu_setup.h> /* Disable CPU_FTR_HVMODE and return false if MSR:HV is not set */ static bool init_hvmode_206(struct cpu_spec *t) diff --git a/arch/powerpc/kernel/cpu_specs.h b/arch/powerpc/kernel/cpu_specs.h new file mode 100644 index 00000000000000..85ded3f77204cf --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifdef CONFIG_40x +#include "cpu_specs_40x.h" +#endif + +#ifdef CONFIG_PPC_47x +#include "cpu_specs_47x.h" +#elif defined(CONFIG_44x) +#include "cpu_specs_44x.h" +#endif + +#ifdef CONFIG_PPC_8xx +#include "cpu_specs_8xx.h" +#endif + +#ifdef CONFIG_PPC_E500MC +#include "cpu_specs_e500mc.h" +#elif defined(CONFIG_PPC_85xx) +#include "cpu_specs_85xx.h" +#endif + +#ifdef CONFIG_PPC_BOOK3S_32 +#include "cpu_specs_book3s_32.h" +#endif + +#ifdef CONFIG_PPC_BOOK3S_64 +#include "cpu_specs_book3s_64.h" +#endif diff --git a/arch/powerpc/kernel/cpu_specs_40x.h b/arch/powerpc/kernel/cpu_specs_40x.h new file mode 100644 index 00000000000000..a1362a75b8c876 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_40x.h @@ -0,0 +1,280 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +static struct cpu_spec cpu_specs[] __initdata = { + { /* STB 04xxx */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x41810000, + .cpu_name = "STB04xxx", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* NP405L */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x41610000, + .cpu_name = "NP405L", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* NP4GS3 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x40B10000, + .cpu_name = "NP4GS3", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* NP405H */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x41410000, + .cpu_name = "NP405H", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405GPr */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x50910000, + .cpu_name = "405GPr", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* STBx25xx */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x51510000, + .cpu_name = "STBx25xx", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405LP */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x41F10000, + .cpu_name = "405LP", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EP */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x51210000, + .cpu_name = "405EP", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EX Rev. A/B with Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910007, + .cpu_name = "405EX Rev. A/B", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EX Rev. C without Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x1291000d, + .cpu_name = "405EX Rev. C", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EX Rev. C with Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x1291000f, + .cpu_name = "405EX Rev. C", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EX Rev. D without Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910003, + .cpu_name = "405EX Rev. D", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EX Rev. D with Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910005, + .cpu_name = "405EX Rev. D", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EXr Rev. A/B without Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910001, + .cpu_name = "405EXr Rev. A/B", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EXr Rev. C without Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910009, + .cpu_name = "405EXr Rev. C", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EXr Rev. C with Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x1291000b, + .cpu_name = "405EXr Rev. C", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EXr Rev. D without Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910000, + .cpu_name = "405EXr Rev. D", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* 405EXr Rev. D with Security */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x12910002, + .cpu_name = "405EXr Rev. D", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { + /* 405EZ */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x41510000, + .cpu_name = "405EZ", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* APM8018X */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x7ff11432, + .cpu_name = "APM8018X", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + }, + { /* default match */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "(generic 40x PPC)", + .cpu_features = CPU_FTRS_40X, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | + PPC_FEATURE_HAS_4xxMAC, + .mmu_features = MMU_FTR_TYPE_40x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc405", + } +}; diff --git a/arch/powerpc/kernel/cpu_specs_44x.h b/arch/powerpc/kernel/cpu_specs_44x.h new file mode 100644 index 00000000000000..69c4cdc0cdeed3 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_44x.h @@ -0,0 +1,304 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_BOOKE) + +static struct cpu_spec cpu_specs[] __initdata = { + { + .pvr_mask = 0xf0000fff, + .pvr_value = 0x40000850, + .cpu_name = "440GR Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x40000858, + .cpu_name = "440EP Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440ep, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { + .pvr_mask = 0xf0000fff, + .pvr_value = 0x400008d3, + .cpu_name = "440GR Rev. B", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { /* Matches both physical and logical PVR for 440EP (logical pvr = pvr | 0x8) */ + .pvr_mask = 0xf0000ff7, + .pvr_value = 0x400008d4, + .cpu_name = "440EP Rev. C", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440ep, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x400008db, + .cpu_name = "440EP Rev. B", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440ep, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { /* 440GRX */ + .pvr_mask = 0xf0000ffb, + .pvr_value = 0x200008D0, + .cpu_name = "440GRX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440grx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* Use logical PVR for 440EPx (logical pvr = pvr | 0x8) */ + .pvr_mask = 0xf0000ffb, + .pvr_value = 0x200008D8, + .cpu_name = "440EPX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440epx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440GP Rev. B */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x40000440, + .cpu_name = "440GP Rev. B", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440gp", + }, + { /* 440GP Rev. C */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x40000481, + .cpu_name = "440GP Rev. C", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440gp", + }, + { /* 440GX Rev. A */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x50000850, + .cpu_name = "440GX Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440gx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440GX Rev. B */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x50000851, + .cpu_name = "440GX Rev. B", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440gx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440GX Rev. C */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x50000892, + .cpu_name = "440GX Rev. C", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440gx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440GX Rev. F */ + .pvr_mask = 0xf0000fff, + .pvr_value = 0x50000894, + .cpu_name = "440GX Rev. F", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440gx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440SP Rev. A */ + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53200891, + .cpu_name = "440SP Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440", + }, + { /* 440SPe Rev. A */ + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53400890, + .cpu_name = "440SPe Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440spe, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 440SPe Rev. B */ + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53400891, + .cpu_name = "440SPe Rev. B", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_440spe, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460EX */ + .pvr_mask = 0xffff0006, + .pvr_value = 0x13020002, + .cpu_name = "460EX", + .cpu_features = CPU_FTRS_440x6, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_460ex, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460EX Rev B */ + .pvr_mask = 0xffff0007, + .pvr_value = 0x13020004, + .cpu_name = "460EX Rev. B", + .cpu_features = CPU_FTRS_440x6, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_460ex, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460GT */ + .pvr_mask = 0xffff0006, + .pvr_value = 0x13020000, + .cpu_name = "460GT", + .cpu_features = CPU_FTRS_440x6, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_460gt, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460GT Rev B */ + .pvr_mask = 0xffff0007, + .pvr_value = 0x13020005, + .cpu_name = "460GT Rev. B", + .cpu_features = CPU_FTRS_440x6, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_460gt, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460SX */ + .pvr_mask = 0xffffff00, + .pvr_value = 0x13541800, + .cpu_name = "460SX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_460sx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 464 in APM821xx */ + .pvr_mask = 0xfffffff0, + .pvr_value = 0x12C41C80, + .cpu_name = "APM821XX", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE | + PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_apm821xx, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* default match */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "(generic 44x PPC)", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_44x, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_4xx, + .platform = "ppc440", + } +}; diff --git a/arch/powerpc/kernel/cpu_specs_47x.h b/arch/powerpc/kernel/cpu_specs_47x.h new file mode 100644 index 00000000000000..3143cd504a5199 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_47x.h @@ -0,0 +1,74 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_BOOKE) + +static struct cpu_spec cpu_specs[] __initdata = { + { /* 476 DD2 core */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x11a52080, + .cpu_name = "476", + .cpu_features = CPU_FTRS_47X | CPU_FTR_476_DD2, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_47x | MMU_FTR_USE_TLBIVAX_BCAST | + MMU_FTR_LOCK_BCAST_INVAL, + .icache_bsize = 32, + .dcache_bsize = 128, + .machine_check = machine_check_47x, + .platform = "ppc470", + }, + { /* 476fpe */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x7ff50000, + .cpu_name = "476fpe", + .cpu_features = CPU_FTRS_47X | CPU_FTR_476_DD2, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_47x | MMU_FTR_USE_TLBIVAX_BCAST | + MMU_FTR_LOCK_BCAST_INVAL, + .icache_bsize = 32, + .dcache_bsize = 128, + .machine_check = machine_check_47x, + .platform = "ppc470", + }, + { /* 476 iss */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00050000, + .cpu_name = "476", + .cpu_features = CPU_FTRS_47X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_47x | MMU_FTR_USE_TLBIVAX_BCAST | + MMU_FTR_LOCK_BCAST_INVAL, + .icache_bsize = 32, + .dcache_bsize = 128, + .machine_check = machine_check_47x, + .platform = "ppc470", + }, + { /* 476 others */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x11a50000, + .cpu_name = "476", + .cpu_features = CPU_FTRS_47X, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .mmu_features = MMU_FTR_TYPE_47x | MMU_FTR_USE_TLBIVAX_BCAST | + MMU_FTR_LOCK_BCAST_INVAL, + .icache_bsize = 32, + .dcache_bsize = 128, + .machine_check = machine_check_47x, + .platform = "ppc470", + }, + { /* default match */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "(generic 47x PPC)", + .cpu_features = CPU_FTRS_47X, + .cpu_user_features = COMMON_USER_BOOKE, + .mmu_features = MMU_FTR_TYPE_47x, + .icache_bsize = 32, + .dcache_bsize = 128, + .machine_check = machine_check_47x, + .platform = "ppc470", + } +}; diff --git a/arch/powerpc/kernel/cpu_specs_85xx.h b/arch/powerpc/kernel/cpu_specs_85xx.h new file mode 100644 index 00000000000000..aaae202c1a8947 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_85xx.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_BOOKE) + +static struct cpu_spec cpu_specs[] __initdata = { + { /* e500 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80200000, + .cpu_name = "e500", + .cpu_features = CPU_FTRS_E500, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP | + PPC_FEATURE_HAS_EFP_SINGLE_COMP, + .cpu_user_features2 = PPC_FEATURE2_ISEL, + .mmu_features = MMU_FTR_TYPE_FSL_E, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_e500v1, + .machine_check = machine_check_e500, + .platform = "ppc8540", + }, + { /* e500v2 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80210000, + .cpu_name = "e500v2", + .cpu_features = CPU_FTRS_E500_2, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP | + PPC_FEATURE_HAS_EFP_SINGLE_COMP | + PPC_FEATURE_HAS_EFP_DOUBLE_COMP, + .cpu_user_features2 = PPC_FEATURE2_ISEL, + .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_e500v2, + .machine_check = machine_check_e500, + .platform = "ppc8548", + .cpu_down_flush = cpu_down_flush_e500v2, + }, + { /* default match */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "(generic E500 PPC)", + .cpu_features = CPU_FTRS_E500, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP | + PPC_FEATURE_HAS_EFP_SINGLE_COMP, + .mmu_features = MMU_FTR_TYPE_FSL_E, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_e500, + .platform = "powerpc", + } +}; diff --git a/arch/powerpc/kernel/cpu_specs_8xx.h b/arch/powerpc/kernel/cpu_specs_8xx.h new file mode 100644 index 00000000000000..93ddbc202ba34a --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_8xx.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +static struct cpu_spec cpu_specs[] __initdata = { + { /* 8xx */ + .pvr_mask = 0xffff0000, + .pvr_value = PVR_8xx, + .cpu_name = "8xx", + /* + * CPU_FTR_MAYBE_CAN_DOZE is possible, + * if the 8xx code is there.... + */ + .cpu_features = CPU_FTRS_8XX, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .mmu_features = MMU_FTR_TYPE_8xx, + .icache_bsize = 16, + .dcache_bsize = 16, + .machine_check = machine_check_8xx, + .platform = "ppc823", + }, +}; diff --git a/arch/powerpc/kernel/cpu_specs_book3s_32.h b/arch/powerpc/kernel/cpu_specs_book3s_32.h new file mode 100644 index 00000000000000..3714634d194a1d --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_book3s_32.h @@ -0,0 +1,605 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + */ + +#define COMMON_USER (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \ + PPC_FEATURE_HAS_MMU) + +static struct cpu_spec cpu_specs[] __initdata = { +#ifdef CONFIG_PPC_BOOK3S_603 + { /* 603 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00030000, + .cpu_name = "603", + .cpu_features = CPU_FTRS_603, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = 0, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, + { /* 603e */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00060000, + .cpu_name = "603e", + .cpu_features = CPU_FTRS_603, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = 0, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, + { /* 603ev */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00070000, + .cpu_name = "603ev", + .cpu_features = CPU_FTRS_603, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = 0, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, + { /* 82xx (8240, 8245, 8260 are all 603e cores) */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00810000, + .cpu_name = "82xx", + .cpu_features = CPU_FTRS_82XX, + .cpu_user_features = COMMON_USER, + .mmu_features = 0, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, + { /* All G2_LE (603e core, plus some) have the same pvr */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00820000, + .cpu_name = "G2_LE", + .cpu_features = CPU_FTRS_G2_LE, + .cpu_user_features = COMMON_USER, + .mmu_features = MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, +#ifdef CONFIG_PPC_83xx + { /* e300c1 (a 603e core, plus some) on 83xx */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00830000, + .cpu_name = "e300c1", + .cpu_features = CPU_FTRS_E300, + .cpu_user_features = COMMON_USER, + .mmu_features = MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_83xx, + .platform = "ppc603", + }, + { /* e300c2 (an e300c1 core, plus some, minus FPU) on 83xx */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00840000, + .cpu_name = "e300c2", + .cpu_features = CPU_FTRS_E300C2, + .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, + .mmu_features = MMU_FTR_USE_HIGH_BATS | MMU_FTR_NEED_DTLB_SW_LRU, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_83xx, + .platform = "ppc603", + }, + { /* e300c3 (e300c1, plus one IU, half cache size) on 83xx */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00850000, + .cpu_name = "e300c3", + .cpu_features = CPU_FTRS_E300, + .cpu_user_features = COMMON_USER, + .mmu_features = MMU_FTR_USE_HIGH_BATS | MMU_FTR_NEED_DTLB_SW_LRU, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_83xx, + .num_pmcs = 4, + .platform = "ppc603", + }, + { /* e300c4 (e300c1, plus one IU) */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00860000, + .cpu_name = "e300c4", + .cpu_features = CPU_FTRS_E300, + .cpu_user_features = COMMON_USER, + .mmu_features = MMU_FTR_USE_HIGH_BATS | MMU_FTR_NEED_DTLB_SW_LRU, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .machine_check = machine_check_83xx, + .num_pmcs = 4, + .platform = "ppc603", + }, +#endif +#endif /* CONFIG_PPC_BOOK3S_603 */ +#ifdef CONFIG_PPC_BOOK3S_604 + { /* 604 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00040000, + .cpu_name = "604", + .cpu_features = CPU_FTRS_604, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 2, + .cpu_setup = __setup_cpu_604, + .machine_check = machine_check_generic, + .platform = "ppc604", + }, + { /* 604e */ + .pvr_mask = 0xfffff000, + .pvr_value = 0x00090000, + .cpu_name = "604e", + .cpu_features = CPU_FTRS_604, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_604, + .machine_check = machine_check_generic, + .platform = "ppc604", + }, + { /* 604r */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00090000, + .cpu_name = "604r", + .cpu_features = CPU_FTRS_604, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_604, + .machine_check = machine_check_generic, + .platform = "ppc604", + }, + { /* 604ev */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x000a0000, + .cpu_name = "604ev", + .cpu_features = CPU_FTRS_604, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_604, + .machine_check = machine_check_generic, + .platform = "ppc604", + }, + { /* 740/750 (0x4202, don't support TAU ?) */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x00084202, + .cpu_name = "740/750", + .cpu_features = CPU_FTRS_740_NOTAU, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750CX (80100 and 8010x?) */ + .pvr_mask = 0xfffffff0, + .pvr_value = 0x00080100, + .cpu_name = "750CX", + .cpu_features = CPU_FTRS_750, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_750cx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750CX (82201 and 82202) */ + .pvr_mask = 0xfffffff0, + .pvr_value = 0x00082200, + .cpu_name = "750CX", + .cpu_features = CPU_FTRS_750, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750cx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750CXe (82214) */ + .pvr_mask = 0xfffffff0, + .pvr_value = 0x00082210, + .cpu_name = "750CXe", + .cpu_features = CPU_FTRS_750, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750cx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750CXe "Gekko" (83214) */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x00083214, + .cpu_name = "750CXe", + .cpu_features = CPU_FTRS_750, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750cx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750CL (and "Broadway") */ + .pvr_mask = 0xfffff0e0, + .pvr_value = 0x00087000, + .cpu_name = "750CL", + .cpu_features = CPU_FTRS_750CL, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 745/755 */ + .pvr_mask = 0xfffff000, + .pvr_value = 0x00083000, + .cpu_name = "745/755", + .cpu_features = CPU_FTRS_750, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750FX rev 1.x */ + .pvr_mask = 0xffffff00, + .pvr_value = 0x70000100, + .cpu_name = "750FX", + .cpu_features = CPU_FTRS_750FX1, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750FX rev 2.0 must disable HID0[DPM] */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x70000200, + .cpu_name = "750FX", + .cpu_features = CPU_FTRS_750FX2, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750FX (All revs except 2.0) */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x70000000, + .cpu_name = "750FX", + .cpu_features = CPU_FTRS_750FX, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750fx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 750GX */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x70020000, + .cpu_name = "750GX", + .cpu_features = CPU_FTRS_750GX, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750fx, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 740/750 (L2CR bit need fixup for 740) */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00080000, + .cpu_name = "740/750", + .cpu_features = CPU_FTRS_740, + .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_750, + .machine_check = machine_check_generic, + .platform = "ppc750", + }, + { /* 7400 rev 1.1 ? (no TAU) */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x000c1101, + .cpu_name = "7400 (1.1)", + .cpu_features = CPU_FTRS_7400_NOTAU, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_7400, + .machine_check = machine_check_generic, + .platform = "ppc7400", + }, + { /* 7400 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x000c0000, + .cpu_name = "7400", + .cpu_features = CPU_FTRS_7400, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_7400, + .machine_check = machine_check_generic, + .platform = "ppc7400", + }, + { /* 7410 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x800c0000, + .cpu_name = "7410", + .cpu_features = CPU_FTRS_7400, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 4, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_7410, + .machine_check = machine_check_generic, + .platform = "ppc7400", + }, + { /* 7450 2.0 - no doze/nap */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x80000200, + .cpu_name = "7450", + .cpu_features = CPU_FTRS_7450_20, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7450 2.1 */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x80000201, + .cpu_name = "7450", + .cpu_features = CPU_FTRS_7450_21, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7450 2.3 and newer */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80000000, + .cpu_name = "7450", + .cpu_features = CPU_FTRS_7450_23, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7455 rev 1.x */ + .pvr_mask = 0xffffff00, + .pvr_value = 0x80010100, + .cpu_name = "7455", + .cpu_features = CPU_FTRS_7455_1, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7455 rev 2.0 */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x80010200, + .cpu_name = "7455", + .cpu_features = CPU_FTRS_7455_20, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7455 others */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80010000, + .cpu_name = "7455", + .cpu_features = CPU_FTRS_7455, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7447/7457 Rev 1.0 */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x80020100, + .cpu_name = "7447/7457", + .cpu_features = CPU_FTRS_7447_10, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7447/7457 Rev 1.1 */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x80020101, + .cpu_name = "7447/7457", + .cpu_features = CPU_FTRS_7447_10, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7447/7457 Rev 1.2 and later */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80020000, + .cpu_name = "7447/7457", + .cpu_features = CPU_FTRS_7447, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7447A */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80030000, + .cpu_name = "7447A", + .cpu_features = CPU_FTRS_7447A, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* 7448 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80040000, + .cpu_name = "7448", + .cpu_features = CPU_FTRS_7448, + .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | + PPC_FEATURE_PPC_LE, + .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, + .icache_bsize = 32, + .dcache_bsize = 32, + .num_pmcs = 6, + .pmc_type = PPC_PMC_G4, + .cpu_setup = __setup_cpu_745x, + .machine_check = machine_check_generic, + .platform = "ppc7450", + }, + { /* default match, we assume split I/D cache & TB (non-601)... */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "(generic PPC)", + .cpu_features = CPU_FTRS_CLASSIC32, + .cpu_user_features = COMMON_USER, + .mmu_features = MMU_FTR_HPTE_TABLE, + .icache_bsize = 32, + .dcache_bsize = 32, + .machine_check = machine_check_generic, + .platform = "ppc603", + }, +#endif /* CONFIG_PPC_BOOK3S_604 */ +}; diff --git a/arch/powerpc/kernel/cpu_specs_book3s_64.h b/arch/powerpc/kernel/cpu_specs_book3s_64.h new file mode 100644 index 00000000000000..c370c1b804a903 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_book3s_64.h @@ -0,0 +1,481 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + * + * Modifications for ppc64: + * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> + */ + +/* NOTE: + * Unlike ppc32, ppc64 will only call cpu_setup() for the boot CPU, it's + * the responsibility of the appropriate CPU save/restore functions to + * eventually copy these settings over. Those save/restore aren't yet + * part of the cputable though. That has to be fixed for both ppc32 + * and ppc64 + */ +#define COMMON_USER_PPC64 (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \ + PPC_FEATURE_HAS_MMU | PPC_FEATURE_64) +#define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4) +#define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) +#define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) +#define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ + PPC_FEATURE_TRUE_LE | \ + PPC_FEATURE_PSERIES_PERFMON_COMPAT) +#define COMMON_USER_POWER7 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ + PPC_FEATURE_TRUE_LE | \ + PPC_FEATURE_PSERIES_PERFMON_COMPAT) +#define COMMON_USER2_POWER7 (PPC_FEATURE2_DSCR) +#define COMMON_USER_POWER8 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\ + PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ + PPC_FEATURE_TRUE_LE | \ + PPC_FEATURE_PSERIES_PERFMON_COMPAT) +#define COMMON_USER2_POWER8 (PPC_FEATURE2_ARCH_2_07 | \ + PPC_FEATURE2_HTM_COMP | \ + PPC_FEATURE2_HTM_NOSC_COMP | \ + PPC_FEATURE2_DSCR | \ + PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \ + PPC_FEATURE2_VEC_CRYPTO) +#define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\ + PPC_FEATURE_TRUE_LE | \ + PPC_FEATURE_HAS_ALTIVEC_COMP) +#define COMMON_USER_POWER9 COMMON_USER_POWER8 +#define COMMON_USER2_POWER9 (COMMON_USER2_POWER8 | \ + PPC_FEATURE2_ARCH_3_00 | \ + PPC_FEATURE2_HAS_IEEE128 | \ + PPC_FEATURE2_DARN | \ + PPC_FEATURE2_SCV) +#define COMMON_USER_POWER10 COMMON_USER_POWER9 +#define COMMON_USER2_POWER10 (PPC_FEATURE2_ARCH_3_1 | \ + PPC_FEATURE2_MMA | \ + PPC_FEATURE2_ARCH_3_00 | \ + PPC_FEATURE2_HAS_IEEE128 | \ + PPC_FEATURE2_DARN | \ + PPC_FEATURE2_SCV | \ + PPC_FEATURE2_ARCH_2_07 | \ + PPC_FEATURE2_DSCR | \ + PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \ + PPC_FEATURE2_VEC_CRYPTO) + +static struct cpu_spec cpu_specs[] __initdata = { + { /* PPC970 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00390000, + .cpu_name = "PPC970", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | PPC_FEATURE_HAS_ALTIVEC_COMP, + .mmu_features = MMU_FTRS_PPC970, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_ppc970, + .cpu_restore = __restore_cpu_ppc970, + .platform = "ppc970", + }, + { /* PPC970FX */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003c0000, + .cpu_name = "PPC970FX", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | PPC_FEATURE_HAS_ALTIVEC_COMP, + .mmu_features = MMU_FTRS_PPC970, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_ppc970, + .cpu_restore = __restore_cpu_ppc970, + .platform = "ppc970", + }, + { /* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x00440100, + .cpu_name = "PPC970MP", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | PPC_FEATURE_HAS_ALTIVEC_COMP, + .mmu_features = MMU_FTRS_PPC970, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_ppc970, + .cpu_restore = __restore_cpu_ppc970, + .platform = "ppc970", + }, + { /* PPC970MP */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00440000, + .cpu_name = "PPC970MP", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | PPC_FEATURE_HAS_ALTIVEC_COMP, + .mmu_features = MMU_FTRS_PPC970, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_ppc970MP, + .cpu_restore = __restore_cpu_ppc970, + .platform = "ppc970", + }, + { /* PPC970GX */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00450000, + .cpu_name = "PPC970GX", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | PPC_FEATURE_HAS_ALTIVEC_COMP, + .mmu_features = MMU_FTRS_PPC970, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_ppc970, + .platform = "ppc970", + }, + { /* Power5 GR */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003a0000, + .cpu_name = "POWER5 (gr)", + .cpu_features = CPU_FTRS_POWER5, + .cpu_user_features = COMMON_USER_POWER5, + .mmu_features = MMU_FTRS_POWER5, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .platform = "power5", + }, + { /* Power5++ */ + .pvr_mask = 0xffffff00, + .pvr_value = 0x003b0300, + .cpu_name = "POWER5+ (gs)", + .cpu_features = CPU_FTRS_POWER5, + .cpu_user_features = COMMON_USER_POWER5_PLUS, + .mmu_features = MMU_FTRS_POWER5, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .platform = "power5+", + }, + { /* Power5 GS */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003b0000, + .cpu_name = "POWER5+ (gs)", + .cpu_features = CPU_FTRS_POWER5, + .cpu_user_features = COMMON_USER_POWER5_PLUS, + .mmu_features = MMU_FTRS_POWER5, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .platform = "power5+", + }, + { /* POWER6 in P5+ mode; 2.04-compliant processor */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000001, + .cpu_name = "POWER5+", + .cpu_features = CPU_FTRS_POWER5, + .cpu_user_features = COMMON_USER_POWER5_PLUS, + .mmu_features = MMU_FTRS_POWER5, + .icache_bsize = 128, + .dcache_bsize = 128, + .platform = "power5+", + }, + { /* Power6 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003e0000, + .cpu_name = "POWER6 (raw)", + .cpu_features = CPU_FTRS_POWER6, + .cpu_user_features = COMMON_USER_POWER6 | PPC_FEATURE_POWER6_EXT, + .mmu_features = MMU_FTRS_POWER6, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .platform = "power6x", + }, + { /* 2.05-compliant processor, i.e. Power6 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000002, + .cpu_name = "POWER6 (architected)", + .cpu_features = CPU_FTRS_POWER6, + .cpu_user_features = COMMON_USER_POWER6, + .mmu_features = MMU_FTRS_POWER6, + .icache_bsize = 128, + .dcache_bsize = 128, + .platform = "power6", + }, + { /* 2.06-compliant processor, i.e. Power7 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000003, + .cpu_name = "POWER7 (architected)", + .cpu_features = CPU_FTRS_POWER7, + .cpu_user_features = COMMON_USER_POWER7, + .cpu_user_features2 = COMMON_USER2_POWER7, + .mmu_features = MMU_FTRS_POWER7, + .icache_bsize = 128, + .dcache_bsize = 128, + .cpu_setup = __setup_cpu_power7, + .cpu_restore = __restore_cpu_power7, + .machine_check_early = __machine_check_early_realmode_p7, + .platform = "power7", + }, + { /* 2.07-compliant processor, i.e. Power8 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000004, + .cpu_name = "POWER8 (architected)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .cpu_user_features2 = COMMON_USER2_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .machine_check_early = __machine_check_early_realmode_p8, + .platform = "power8", + }, + { /* 3.00-compliant processor, i.e. Power9 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000005, + .cpu_name = "POWER9 (architected)", + .cpu_features = CPU_FTRS_POWER9, + .cpu_user_features = COMMON_USER_POWER9, + .cpu_user_features2 = COMMON_USER2_POWER9, + .mmu_features = MMU_FTRS_POWER9, + .icache_bsize = 128, + .dcache_bsize = 128, + .cpu_setup = __setup_cpu_power9, + .cpu_restore = __restore_cpu_power9, + .platform = "power9", + }, + { /* 3.1-compliant processor, i.e. Power10 "architected" mode */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x0f000006, + .cpu_name = "POWER10 (architected)", + .cpu_features = CPU_FTRS_POWER10, + .cpu_user_features = COMMON_USER_POWER10, + .cpu_user_features2 = COMMON_USER2_POWER10, + .mmu_features = MMU_FTRS_POWER10, + .icache_bsize = 128, + .dcache_bsize = 128, + .cpu_setup = __setup_cpu_power10, + .cpu_restore = __restore_cpu_power10, + .platform = "power10", + }, + { /* Power7 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x003f0000, + .cpu_name = "POWER7 (raw)", + .cpu_features = CPU_FTRS_POWER7, + .cpu_user_features = COMMON_USER_POWER7, + .cpu_user_features2 = COMMON_USER2_POWER7, + .mmu_features = MMU_FTRS_POWER7, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power7, + .cpu_restore = __restore_cpu_power7, + .machine_check_early = __machine_check_early_realmode_p7, + .platform = "power7", + }, + { /* Power7+ */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004A0000, + .cpu_name = "POWER7+ (raw)", + .cpu_features = CPU_FTRS_POWER7, + .cpu_user_features = COMMON_USER_POWER7, + .cpu_user_features2 = COMMON_USER2_POWER7, + .mmu_features = MMU_FTRS_POWER7, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power7, + .cpu_restore = __restore_cpu_power7, + .machine_check_early = __machine_check_early_realmode_p7, + .platform = "power7+", + }, + { /* Power8E */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004b0000, + .cpu_name = "POWER8E (raw)", + .cpu_features = CPU_FTRS_POWER8E, + .cpu_user_features = COMMON_USER_POWER8, + .cpu_user_features2 = COMMON_USER2_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .machine_check_early = __machine_check_early_realmode_p8, + .platform = "power8", + }, + { /* Power8NVL */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004c0000, + .cpu_name = "POWER8NVL (raw)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .cpu_user_features2 = COMMON_USER2_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .machine_check_early = __machine_check_early_realmode_p8, + .platform = "power8", + }, + { /* Power8 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004d0000, + .cpu_name = "POWER8 (raw)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .cpu_user_features2 = COMMON_USER2_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .machine_check_early = __machine_check_early_realmode_p8, + .platform = "power8", + }, + { /* Power9 DD2.0 */ + .pvr_mask = 0xffffefff, + .pvr_value = 0x004e0200, + .cpu_name = "POWER9 (raw)", + .cpu_features = CPU_FTRS_POWER9_DD2_0, + .cpu_user_features = COMMON_USER_POWER9, + .cpu_user_features2 = COMMON_USER2_POWER9, + .mmu_features = MMU_FTRS_POWER9, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power9, + .cpu_restore = __restore_cpu_power9, + .machine_check_early = __machine_check_early_realmode_p9, + .platform = "power9", + }, + { /* Power9 DD 2.1 */ + .pvr_mask = 0xffffefff, + .pvr_value = 0x004e0201, + .cpu_name = "POWER9 (raw)", + .cpu_features = CPU_FTRS_POWER9_DD2_1, + .cpu_user_features = COMMON_USER_POWER9, + .cpu_user_features2 = COMMON_USER2_POWER9, + .mmu_features = MMU_FTRS_POWER9, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power9, + .cpu_restore = __restore_cpu_power9, + .machine_check_early = __machine_check_early_realmode_p9, + .platform = "power9", + }, + { /* Power9 DD2.2 */ + .pvr_mask = 0xffffefff, + .pvr_value = 0x004e0202, + .cpu_name = "POWER9 (raw)", + .cpu_features = CPU_FTRS_POWER9_DD2_2, + .cpu_user_features = COMMON_USER_POWER9, + .cpu_user_features2 = COMMON_USER2_POWER9, + .mmu_features = MMU_FTRS_POWER9, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power9, + .cpu_restore = __restore_cpu_power9, + .machine_check_early = __machine_check_early_realmode_p9, + .platform = "power9", + }, + { /* Power9 DD2.3 or later */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x004e0000, + .cpu_name = "POWER9 (raw)", + .cpu_features = CPU_FTRS_POWER9_DD2_3, + .cpu_user_features = COMMON_USER_POWER9, + .cpu_user_features2 = COMMON_USER2_POWER9, + .mmu_features = MMU_FTRS_POWER9, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power9, + .cpu_restore = __restore_cpu_power9, + .machine_check_early = __machine_check_early_realmode_p9, + .platform = "power9", + }, + { /* Power10 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00800000, + .cpu_name = "POWER10 (raw)", + .cpu_features = CPU_FTRS_POWER10, + .cpu_user_features = COMMON_USER_POWER10, + .cpu_user_features2 = COMMON_USER2_POWER10, + .mmu_features = MMU_FTRS_POWER10, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .cpu_setup = __setup_cpu_power10, + .cpu_restore = __restore_cpu_power10, + .machine_check_early = __machine_check_early_realmode_p10, + .platform = "power10", + }, + { /* Cell Broadband Engine */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x00700000, + .cpu_name = "Cell Broadband Engine", + .cpu_features = CPU_FTRS_CELL, + .cpu_user_features = COMMON_USER_PPC64 | PPC_FEATURE_CELL | + PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_SMT, + .mmu_features = MMU_FTRS_CELL, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 4, + .pmc_type = PPC_PMC_IBM, + .platform = "ppc-cell-be", + }, + { /* PA Semi PA6T */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00900000, + .cpu_name = "PA6T", + .cpu_features = CPU_FTRS_PA6T, + .cpu_user_features = COMMON_USER_PA6T, + .mmu_features = MMU_FTRS_PA6T, + .icache_bsize = 64, + .dcache_bsize = 64, + .num_pmcs = 6, + .pmc_type = PPC_PMC_PA6T, + .cpu_setup = __setup_cpu_pa6t, + .cpu_restore = __restore_cpu_pa6t, + .platform = "pa6t", + }, + { /* default match */ + .pvr_mask = 0x00000000, + .pvr_value = 0x00000000, + .cpu_name = "POWER5 (compatible)", + .cpu_features = CPU_FTRS_COMPATIBLE, + .cpu_user_features = COMMON_USER_PPC64, + .mmu_features = MMU_FTRS_POWER, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, + .platform = "power5", + } +}; diff --git a/arch/powerpc/kernel/cpu_specs_e500mc.h b/arch/powerpc/kernel/cpu_specs_e500mc.h new file mode 100644 index 00000000000000..ceb06b109f8313 --- /dev/null +++ b/arch/powerpc/kernel/cpu_specs_e500mc.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) + * + * Modifications for ppc64: + * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> + */ + +#ifdef CONFIG_PPC64 +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_HAS_FPU | PPC_FEATURE_64) +#else +#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ + PPC_FEATURE_BOOKE) +#endif + +static struct cpu_spec cpu_specs[] __initdata = { +#ifdef CONFIG_PPC32 + { /* e500mc */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80230000, + .cpu_name = "e500mc", + .cpu_features = CPU_FTRS_E500MC, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .cpu_user_features2 = PPC_FEATURE2_ISEL, + .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, + .icache_bsize = 64, + .dcache_bsize = 64, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_e500mc, + .machine_check = machine_check_e500mc, + .platform = "ppce500mc", + .cpu_down_flush = cpu_down_flush_e500mc, + }, +#endif /* CONFIG_PPC32 */ + { /* e5500 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80240000, + .cpu_name = "e5500", + .cpu_features = CPU_FTRS_E5500, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, + .cpu_user_features2 = PPC_FEATURE2_ISEL, + .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, + .icache_bsize = 64, + .dcache_bsize = 64, + .num_pmcs = 4, + .cpu_setup = __setup_cpu_e5500, +#ifndef CONFIG_PPC32 + .cpu_restore = __restore_cpu_e5500, +#endif + .machine_check = machine_check_e500mc, + .platform = "ppce5500", + .cpu_down_flush = cpu_down_flush_e5500, + }, + { /* e6500 */ + .pvr_mask = 0xffff0000, + .pvr_value = 0x80400000, + .cpu_name = "e6500", + .cpu_features = CPU_FTRS_E6500, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU | + PPC_FEATURE_HAS_ALTIVEC_COMP, + .cpu_user_features2 = PPC_FEATURE2_ISEL, + .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, + .icache_bsize = 64, + .dcache_bsize = 64, + .num_pmcs = 6, + .cpu_setup = __setup_cpu_e6500, +#ifndef CONFIG_PPC32 + .cpu_restore = __restore_cpu_e6500, +#endif + .machine_check = machine_check_e500mc, + .platform = "ppce6500", + .cpu_down_flush = cpu_down_flush_e6500, + }, +}; diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index d8e42ef750f1a9..8a32bffefa5b71 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -18,6 +18,7 @@ #include <asm/mce.h> #include <asm/mmu.h> #include <asm/setup.h> +#include <asm/cpu_setup.h> static struct cpu_spec the_cpu_spec __read_mostly; @@ -27,1922 +28,7 @@ EXPORT_SYMBOL(cur_cpu_spec); /* The platform string corresponding to the real PVR */ const char *powerpc_base_platform; -/* NOTE: - * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's - * the responsibility of the appropriate CPU save/restore functions to - * eventually copy these settings over. Those save/restore aren't yet - * part of the cputable though. That has to be fixed for both ppc32 - * and ppc64 - */ -#ifdef CONFIG_PPC32 -extern void __setup_cpu_e500v1(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_e500v2(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_e500mc(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440ep(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec); -extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec); -extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_750cx(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_750fx(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_7400(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec); -#endif /* CONFIG_PPC32 */ -#ifdef CONFIG_PPC64 -#include <asm/cpu_setup_power.h> -extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec); -extern void __restore_cpu_pa6t(void); -extern void __restore_cpu_ppc970(void); -extern long __machine_check_early_realmode_p7(struct pt_regs *regs); -extern long __machine_check_early_realmode_p8(struct pt_regs *regs); -extern long __machine_check_early_realmode_p9(struct pt_regs *regs); -#endif /* CONFIG_PPC64 */ -#if defined(CONFIG_E500) -extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec); -extern void __setup_cpu_e6500(unsigned long offset, struct cpu_spec* spec); -extern void __restore_cpu_e5500(void); -extern void __restore_cpu_e6500(void); -#endif /* CONFIG_E500 */ - -/* This table only contains "desktop" CPUs, it need to be filled with embedded - * ones as well... - */ -#define COMMON_USER (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \ - PPC_FEATURE_HAS_MMU) -#define COMMON_USER_PPC64 (COMMON_USER | PPC_FEATURE_64) -#define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4) -#define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\ - PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) -#define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\ - PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP) -#define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\ - PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ - PPC_FEATURE_TRUE_LE | \ - PPC_FEATURE_PSERIES_PERFMON_COMPAT) -#define COMMON_USER_POWER7 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\ - PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ - PPC_FEATURE_TRUE_LE | \ - PPC_FEATURE_PSERIES_PERFMON_COMPAT) -#define COMMON_USER2_POWER7 (PPC_FEATURE2_DSCR) -#define COMMON_USER_POWER8 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\ - PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \ - PPC_FEATURE_TRUE_LE | \ - PPC_FEATURE_PSERIES_PERFMON_COMPAT) -#define COMMON_USER2_POWER8 (PPC_FEATURE2_ARCH_2_07 | \ - PPC_FEATURE2_HTM_COMP | \ - PPC_FEATURE2_HTM_NOSC_COMP | \ - PPC_FEATURE2_DSCR | \ - PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \ - PPC_FEATURE2_VEC_CRYPTO) -#define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\ - PPC_FEATURE_TRUE_LE | \ - PPC_FEATURE_HAS_ALTIVEC_COMP) -#define COMMON_USER_POWER9 COMMON_USER_POWER8 -#define COMMON_USER2_POWER9 (COMMON_USER2_POWER8 | \ - PPC_FEATURE2_ARCH_3_00 | \ - PPC_FEATURE2_HAS_IEEE128 | \ - PPC_FEATURE2_DARN | \ - PPC_FEATURE2_SCV) -#define COMMON_USER_POWER10 COMMON_USER_POWER9 -#define COMMON_USER2_POWER10 (PPC_FEATURE2_ARCH_3_1 | \ - PPC_FEATURE2_MMA | \ - PPC_FEATURE2_ARCH_3_00 | \ - PPC_FEATURE2_HAS_IEEE128 | \ - PPC_FEATURE2_DARN | \ - PPC_FEATURE2_SCV | \ - PPC_FEATURE2_ARCH_2_07 | \ - PPC_FEATURE2_DSCR | \ - PPC_FEATURE2_ISEL | PPC_FEATURE2_TAR | \ - PPC_FEATURE2_VEC_CRYPTO) - -#ifdef CONFIG_PPC_BOOK3E_64 -#define COMMON_USER_BOOKE (COMMON_USER_PPC64 | PPC_FEATURE_BOOKE) -#else -#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ - PPC_FEATURE_BOOKE) -#endif - -static struct cpu_spec __initdata cpu_specs[] = { -#ifdef CONFIG_PPC_BOOK3S_64 - { /* PPC970 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00390000, - .cpu_name = "PPC970", - .cpu_features = CPU_FTRS_PPC970, - .cpu_user_features = COMMON_USER_POWER4 | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .mmu_features = MMU_FTRS_PPC970, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_ppc970, - .cpu_restore = __restore_cpu_ppc970, - .platform = "ppc970", - }, - { /* PPC970FX */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x003c0000, - .cpu_name = "PPC970FX", - .cpu_features = CPU_FTRS_PPC970, - .cpu_user_features = COMMON_USER_POWER4 | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .mmu_features = MMU_FTRS_PPC970, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_ppc970, - .cpu_restore = __restore_cpu_ppc970, - .platform = "ppc970", - }, - { /* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x00440100, - .cpu_name = "PPC970MP", - .cpu_features = CPU_FTRS_PPC970, - .cpu_user_features = COMMON_USER_POWER4 | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .mmu_features = MMU_FTRS_PPC970, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_ppc970, - .cpu_restore = __restore_cpu_ppc970, - .platform = "ppc970", - }, - { /* PPC970MP */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00440000, - .cpu_name = "PPC970MP", - .cpu_features = CPU_FTRS_PPC970, - .cpu_user_features = COMMON_USER_POWER4 | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .mmu_features = MMU_FTRS_PPC970, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_ppc970MP, - .cpu_restore = __restore_cpu_ppc970, - .platform = "ppc970", - }, - { /* PPC970GX */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00450000, - .cpu_name = "PPC970GX", - .cpu_features = CPU_FTRS_PPC970, - .cpu_user_features = COMMON_USER_POWER4 | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .mmu_features = MMU_FTRS_PPC970, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_ppc970, - .platform = "ppc970", - }, - { /* Power5 GR */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x003a0000, - .cpu_name = "POWER5 (gr)", - .cpu_features = CPU_FTRS_POWER5, - .cpu_user_features = COMMON_USER_POWER5, - .mmu_features = MMU_FTRS_POWER5, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .platform = "power5", - }, - { /* Power5++ */ - .pvr_mask = 0xffffff00, - .pvr_value = 0x003b0300, - .cpu_name = "POWER5+ (gs)", - .cpu_features = CPU_FTRS_POWER5, - .cpu_user_features = COMMON_USER_POWER5_PLUS, - .mmu_features = MMU_FTRS_POWER5, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .platform = "power5+", - }, - { /* Power5 GS */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x003b0000, - .cpu_name = "POWER5+ (gs)", - .cpu_features = CPU_FTRS_POWER5, - .cpu_user_features = COMMON_USER_POWER5_PLUS, - .mmu_features = MMU_FTRS_POWER5, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .platform = "power5+", - }, - { /* POWER6 in P5+ mode; 2.04-compliant processor */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000001, - .cpu_name = "POWER5+", - .cpu_features = CPU_FTRS_POWER5, - .cpu_user_features = COMMON_USER_POWER5_PLUS, - .mmu_features = MMU_FTRS_POWER5, - .icache_bsize = 128, - .dcache_bsize = 128, - .platform = "power5+", - }, - { /* Power6 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x003e0000, - .cpu_name = "POWER6 (raw)", - .cpu_features = CPU_FTRS_POWER6, - .cpu_user_features = COMMON_USER_POWER6 | - PPC_FEATURE_POWER6_EXT, - .mmu_features = MMU_FTRS_POWER6, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .platform = "power6x", - }, - { /* 2.05-compliant processor, i.e. Power6 "architected" mode */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000002, - .cpu_name = "POWER6 (architected)", - .cpu_features = CPU_FTRS_POWER6, - .cpu_user_features = COMMON_USER_POWER6, - .mmu_features = MMU_FTRS_POWER6, - .icache_bsize = 128, - .dcache_bsize = 128, - .platform = "power6", - }, - { /* 2.06-compliant processor, i.e. Power7 "architected" mode */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000003, - .cpu_name = "POWER7 (architected)", - .cpu_features = CPU_FTRS_POWER7, - .cpu_user_features = COMMON_USER_POWER7, - .cpu_user_features2 = COMMON_USER2_POWER7, - .mmu_features = MMU_FTRS_POWER7, - .icache_bsize = 128, - .dcache_bsize = 128, - .cpu_setup = __setup_cpu_power7, - .cpu_restore = __restore_cpu_power7, - .machine_check_early = __machine_check_early_realmode_p7, - .platform = "power7", - }, - { /* 2.07-compliant processor, i.e. Power8 "architected" mode */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000004, - .cpu_name = "POWER8 (architected)", - .cpu_features = CPU_FTRS_POWER8, - .cpu_user_features = COMMON_USER_POWER8, - .cpu_user_features2 = COMMON_USER2_POWER8, - .mmu_features = MMU_FTRS_POWER8, - .icache_bsize = 128, - .dcache_bsize = 128, - .cpu_setup = __setup_cpu_power8, - .cpu_restore = __restore_cpu_power8, - .machine_check_early = __machine_check_early_realmode_p8, - .platform = "power8", - }, - { /* 3.00-compliant processor, i.e. Power9 "architected" mode */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000005, - .cpu_name = "POWER9 (architected)", - .cpu_features = CPU_FTRS_POWER9, - .cpu_user_features = COMMON_USER_POWER9, - .cpu_user_features2 = COMMON_USER2_POWER9, - .mmu_features = MMU_FTRS_POWER9, - .icache_bsize = 128, - .dcache_bsize = 128, - .cpu_setup = __setup_cpu_power9, - .cpu_restore = __restore_cpu_power9, - .platform = "power9", - }, - { /* 3.1-compliant processor, i.e. Power10 "architected" mode */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x0f000006, - .cpu_name = "POWER10 (architected)", - .cpu_features = CPU_FTRS_POWER10, - .cpu_user_features = COMMON_USER_POWER10, - .cpu_user_features2 = COMMON_USER2_POWER10, - .mmu_features = MMU_FTRS_POWER10, - .icache_bsize = 128, - .dcache_bsize = 128, - .cpu_setup = __setup_cpu_power10, - .cpu_restore = __restore_cpu_power10, - .platform = "power10", - }, - { /* Power7 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x003f0000, - .cpu_name = "POWER7 (raw)", - .cpu_features = CPU_FTRS_POWER7, - .cpu_user_features = COMMON_USER_POWER7, - .cpu_user_features2 = COMMON_USER2_POWER7, - .mmu_features = MMU_FTRS_POWER7, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power7, - .cpu_restore = __restore_cpu_power7, - .machine_check_early = __machine_check_early_realmode_p7, - .platform = "power7", - }, - { /* Power7+ */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x004A0000, - .cpu_name = "POWER7+ (raw)", - .cpu_features = CPU_FTRS_POWER7, - .cpu_user_features = COMMON_USER_POWER7, - .cpu_user_features2 = COMMON_USER2_POWER7, - .mmu_features = MMU_FTRS_POWER7, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power7, - .cpu_restore = __restore_cpu_power7, - .machine_check_early = __machine_check_early_realmode_p7, - .platform = "power7+", - }, - { /* Power8E */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x004b0000, - .cpu_name = "POWER8E (raw)", - .cpu_features = CPU_FTRS_POWER8E, - .cpu_user_features = COMMON_USER_POWER8, - .cpu_user_features2 = COMMON_USER2_POWER8, - .mmu_features = MMU_FTRS_POWER8, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power8, - .cpu_restore = __restore_cpu_power8, - .machine_check_early = __machine_check_early_realmode_p8, - .platform = "power8", - }, - { /* Power8NVL */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x004c0000, - .cpu_name = "POWER8NVL (raw)", - .cpu_features = CPU_FTRS_POWER8, - .cpu_user_features = COMMON_USER_POWER8, - .cpu_user_features2 = COMMON_USER2_POWER8, - .mmu_features = MMU_FTRS_POWER8, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power8, - .cpu_restore = __restore_cpu_power8, - .machine_check_early = __machine_check_early_realmode_p8, - .platform = "power8", - }, - { /* Power8 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x004d0000, - .cpu_name = "POWER8 (raw)", - .cpu_features = CPU_FTRS_POWER8, - .cpu_user_features = COMMON_USER_POWER8, - .cpu_user_features2 = COMMON_USER2_POWER8, - .mmu_features = MMU_FTRS_POWER8, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power8, - .cpu_restore = __restore_cpu_power8, - .machine_check_early = __machine_check_early_realmode_p8, - .platform = "power8", - }, - { /* Power9 DD2.0 */ - .pvr_mask = 0xffffefff, - .pvr_value = 0x004e0200, - .cpu_name = "POWER9 (raw)", - .cpu_features = CPU_FTRS_POWER9_DD2_0, - .cpu_user_features = COMMON_USER_POWER9, - .cpu_user_features2 = COMMON_USER2_POWER9, - .mmu_features = MMU_FTRS_POWER9, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power9, - .cpu_restore = __restore_cpu_power9, - .machine_check_early = __machine_check_early_realmode_p9, - .platform = "power9", - }, - { /* Power9 DD 2.1 */ - .pvr_mask = 0xffffefff, - .pvr_value = 0x004e0201, - .cpu_name = "POWER9 (raw)", - .cpu_features = CPU_FTRS_POWER9_DD2_1, - .cpu_user_features = COMMON_USER_POWER9, - .cpu_user_features2 = COMMON_USER2_POWER9, - .mmu_features = MMU_FTRS_POWER9, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power9, - .cpu_restore = __restore_cpu_power9, - .machine_check_early = __machine_check_early_realmode_p9, - .platform = "power9", - }, - { /* Power9 DD2.2 */ - .pvr_mask = 0xffffefff, - .pvr_value = 0x004e0202, - .cpu_name = "POWER9 (raw)", - .cpu_features = CPU_FTRS_POWER9_DD2_2, - .cpu_user_features = COMMON_USER_POWER9, - .cpu_user_features2 = COMMON_USER2_POWER9, - .mmu_features = MMU_FTRS_POWER9, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power9, - .cpu_restore = __restore_cpu_power9, - .machine_check_early = __machine_check_early_realmode_p9, - .platform = "power9", - }, - { /* Power9 DD2.3 or later */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x004e0000, - .cpu_name = "POWER9 (raw)", - .cpu_features = CPU_FTRS_POWER9_DD2_3, - .cpu_user_features = COMMON_USER_POWER9, - .cpu_user_features2 = COMMON_USER2_POWER9, - .mmu_features = MMU_FTRS_POWER9, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power9, - .cpu_restore = __restore_cpu_power9, - .machine_check_early = __machine_check_early_realmode_p9, - .platform = "power9", - }, - { /* Power10 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00800000, - .cpu_name = "POWER10 (raw)", - .cpu_features = CPU_FTRS_POWER10, - .cpu_user_features = COMMON_USER_POWER10, - .cpu_user_features2 = COMMON_USER2_POWER10, - .mmu_features = MMU_FTRS_POWER10, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_power10, - .cpu_restore = __restore_cpu_power10, - .machine_check_early = __machine_check_early_realmode_p10, - .platform = "power10", - }, - { /* Cell Broadband Engine */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00700000, - .cpu_name = "Cell Broadband Engine", - .cpu_features = CPU_FTRS_CELL, - .cpu_user_features = COMMON_USER_PPC64 | - PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP | - PPC_FEATURE_SMT, - .mmu_features = MMU_FTRS_CELL, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .platform = "ppc-cell-be", - }, - { /* PA Semi PA6T */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00900000, - .cpu_name = "PA6T", - .cpu_features = CPU_FTRS_PA6T, - .cpu_user_features = COMMON_USER_PA6T, - .mmu_features = MMU_FTRS_PA6T, - .icache_bsize = 64, - .dcache_bsize = 64, - .num_pmcs = 6, - .pmc_type = PPC_PMC_PA6T, - .cpu_setup = __setup_cpu_pa6t, - .cpu_restore = __restore_cpu_pa6t, - .platform = "pa6t", - }, - { /* default match */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "POWER5 (compatible)", - .cpu_features = CPU_FTRS_COMPATIBLE, - .cpu_user_features = COMMON_USER_PPC64, - .mmu_features = MMU_FTRS_POWER, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 6, - .pmc_type = PPC_PMC_IBM, - .platform = "power5", - } -#endif /* CONFIG_PPC_BOOK3S_64 */ - -#ifdef CONFIG_PPC32 -#ifdef CONFIG_PPC_BOOK3S_32 -#ifdef CONFIG_PPC_BOOK3S_604 - { /* 604 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00040000, - .cpu_name = "604", - .cpu_features = CPU_FTRS_604, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 2, - .cpu_setup = __setup_cpu_604, - .machine_check = machine_check_generic, - .platform = "ppc604", - }, - { /* 604e */ - .pvr_mask = 0xfffff000, - .pvr_value = 0x00090000, - .cpu_name = "604e", - .cpu_features = CPU_FTRS_604, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_604, - .machine_check = machine_check_generic, - .platform = "ppc604", - }, - { /* 604r */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00090000, - .cpu_name = "604r", - .cpu_features = CPU_FTRS_604, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_604, - .machine_check = machine_check_generic, - .platform = "ppc604", - }, - { /* 604ev */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x000a0000, - .cpu_name = "604ev", - .cpu_features = CPU_FTRS_604, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_604, - .machine_check = machine_check_generic, - .platform = "ppc604", - }, - { /* 740/750 (0x4202, don't support TAU ?) */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x00084202, - .cpu_name = "740/750", - .cpu_features = CPU_FTRS_740_NOTAU, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750CX (80100 and 8010x?) */ - .pvr_mask = 0xfffffff0, - .pvr_value = 0x00080100, - .cpu_name = "750CX", - .cpu_features = CPU_FTRS_750, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_750cx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750CX (82201 and 82202) */ - .pvr_mask = 0xfffffff0, - .pvr_value = 0x00082200, - .cpu_name = "750CX", - .cpu_features = CPU_FTRS_750, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750cx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750CXe (82214) */ - .pvr_mask = 0xfffffff0, - .pvr_value = 0x00082210, - .cpu_name = "750CXe", - .cpu_features = CPU_FTRS_750, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750cx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750CXe "Gekko" (83214) */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x00083214, - .cpu_name = "750CXe", - .cpu_features = CPU_FTRS_750, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750cx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750CL (and "Broadway") */ - .pvr_mask = 0xfffff0e0, - .pvr_value = 0x00087000, - .cpu_name = "750CL", - .cpu_features = CPU_FTRS_750CL, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 745/755 */ - .pvr_mask = 0xfffff000, - .pvr_value = 0x00083000, - .cpu_name = "745/755", - .cpu_features = CPU_FTRS_750, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750FX rev 1.x */ - .pvr_mask = 0xffffff00, - .pvr_value = 0x70000100, - .cpu_name = "750FX", - .cpu_features = CPU_FTRS_750FX1, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750FX rev 2.0 must disable HID0[DPM] */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x70000200, - .cpu_name = "750FX", - .cpu_features = CPU_FTRS_750FX2, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750FX (All revs except 2.0) */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x70000000, - .cpu_name = "750FX", - .cpu_features = CPU_FTRS_750FX, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750fx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 750GX */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x70020000, - .cpu_name = "750GX", - .cpu_features = CPU_FTRS_750GX, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750fx, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 740/750 (L2CR bit need fixup for 740) */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00080000, - .cpu_name = "740/750", - .cpu_features = CPU_FTRS_740, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_IBM, - .cpu_setup = __setup_cpu_750, - .machine_check = machine_check_generic, - .platform = "ppc750", - }, - { /* 7400 rev 1.1 ? (no TAU) */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x000c1101, - .cpu_name = "7400 (1.1)", - .cpu_features = CPU_FTRS_7400_NOTAU, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_7400, - .machine_check = machine_check_generic, - .platform = "ppc7400", - }, - { /* 7400 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x000c0000, - .cpu_name = "7400", - .cpu_features = CPU_FTRS_7400, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_7400, - .machine_check = machine_check_generic, - .platform = "ppc7400", - }, - { /* 7410 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x800c0000, - .cpu_name = "7410", - .cpu_features = CPU_FTRS_7400, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_7410, - .machine_check = machine_check_generic, - .platform = "ppc7400", - }, - { /* 7450 2.0 - no doze/nap */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80000200, - .cpu_name = "7450", - .cpu_features = CPU_FTRS_7450_20, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7450 2.1 */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80000201, - .cpu_name = "7450", - .cpu_features = CPU_FTRS_7450_21, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7450 2.3 and newer */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80000000, - .cpu_name = "7450", - .cpu_features = CPU_FTRS_7450_23, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7455 rev 1.x */ - .pvr_mask = 0xffffff00, - .pvr_value = 0x80010100, - .cpu_name = "7455", - .cpu_features = CPU_FTRS_7455_1, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7455 rev 2.0 */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80010200, - .cpu_name = "7455", - .cpu_features = CPU_FTRS_7455_20, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7455 others */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80010000, - .cpu_name = "7455", - .cpu_features = CPU_FTRS_7455, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7447/7457 Rev 1.0 */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80020100, - .cpu_name = "7447/7457", - .cpu_features = CPU_FTRS_7447_10, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7447/7457 Rev 1.1 */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x80020101, - .cpu_name = "7447/7457", - .cpu_features = CPU_FTRS_7447_10, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7447/7457 Rev 1.2 and later */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80020000, - .cpu_name = "7447/7457", - .cpu_features = CPU_FTRS_7447, - .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7447A */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80030000, - .cpu_name = "7447A", - .cpu_features = CPU_FTRS_7447A, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, - { /* 7448 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80040000, - .cpu_name = "7448", - .cpu_features = CPU_FTRS_7448, - .cpu_user_features = COMMON_USER | - PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE, - .mmu_features = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 6, - .pmc_type = PPC_PMC_G4, - .cpu_setup = __setup_cpu_745x, - .machine_check = machine_check_generic, - .platform = "ppc7450", - }, -#endif /* CONFIG_PPC_BOOK3S_604 */ -#ifdef CONFIG_PPC_BOOK3S_603 - { /* 603 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00030000, - .cpu_name = "603", - .cpu_features = CPU_FTRS_603, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = 0, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, - { /* 603e */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00060000, - .cpu_name = "603e", - .cpu_features = CPU_FTRS_603, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = 0, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, - { /* 603ev */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00070000, - .cpu_name = "603ev", - .cpu_features = CPU_FTRS_603, - .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE, - .mmu_features = 0, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, - { /* 82xx (8240, 8245, 8260 are all 603e cores) */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00810000, - .cpu_name = "82xx", - .cpu_features = CPU_FTRS_82XX, - .cpu_user_features = COMMON_USER, - .mmu_features = 0, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, - { /* All G2_LE (603e core, plus some) have the same pvr */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00820000, - .cpu_name = "G2_LE", - .cpu_features = CPU_FTRS_G2_LE, - .cpu_user_features = COMMON_USER, - .mmu_features = MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, -#ifdef CONFIG_PPC_83xx - { /* e300c1 (a 603e core, plus some) on 83xx */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00830000, - .cpu_name = "e300c1", - .cpu_features = CPU_FTRS_E300, - .cpu_user_features = COMMON_USER, - .mmu_features = MMU_FTR_USE_HIGH_BATS, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_83xx, - .platform = "ppc603", - }, - { /* e300c2 (an e300c1 core, plus some, minus FPU) on 83xx */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00840000, - .cpu_name = "e300c2", - .cpu_features = CPU_FTRS_E300C2, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, - .mmu_features = MMU_FTR_USE_HIGH_BATS | - MMU_FTR_NEED_DTLB_SW_LRU, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_83xx, - .platform = "ppc603", - }, - { /* e300c3 (e300c1, plus one IU, half cache size) on 83xx */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00850000, - .cpu_name = "e300c3", - .cpu_features = CPU_FTRS_E300, - .cpu_user_features = COMMON_USER, - .mmu_features = MMU_FTR_USE_HIGH_BATS | - MMU_FTR_NEED_DTLB_SW_LRU, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_83xx, - .num_pmcs = 4, - .platform = "ppc603", - }, - { /* e300c4 (e300c1, plus one IU) */ - .pvr_mask = 0x7fff0000, - .pvr_value = 0x00860000, - .cpu_name = "e300c4", - .cpu_features = CPU_FTRS_E300, - .cpu_user_features = COMMON_USER, - .mmu_features = MMU_FTR_USE_HIGH_BATS | - MMU_FTR_NEED_DTLB_SW_LRU, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_603, - .machine_check = machine_check_83xx, - .num_pmcs = 4, - .platform = "ppc603", - }, -#endif -#endif /* CONFIG_PPC_BOOK3S_603 */ -#ifdef CONFIG_PPC_BOOK3S_604 - { /* default match, we assume split I/D cache & TB (non-601)... */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "(generic PPC)", - .cpu_features = CPU_FTRS_CLASSIC32, - .cpu_user_features = COMMON_USER, - .mmu_features = MMU_FTR_HPTE_TABLE, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_generic, - .platform = "ppc603", - }, -#endif /* CONFIG_PPC_BOOK3S_604 */ -#endif /* CONFIG_PPC_BOOK3S_32 */ -#ifdef CONFIG_PPC_8xx - { /* 8xx */ - .pvr_mask = 0xffff0000, - .pvr_value = PVR_8xx, - .cpu_name = "8xx", - /* CPU_FTR_MAYBE_CAN_DOZE is possible, - * if the 8xx code is there.... */ - .cpu_features = CPU_FTRS_8XX, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, - .mmu_features = MMU_FTR_TYPE_8xx, - .icache_bsize = 16, - .dcache_bsize = 16, - .machine_check = machine_check_8xx, - .platform = "ppc823", - }, -#endif /* CONFIG_PPC_8xx */ -#ifdef CONFIG_40x - { /* STB 04xxx */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x41810000, - .cpu_name = "STB04xxx", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* NP405L */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x41610000, - .cpu_name = "NP405L", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* NP4GS3 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x40B10000, - .cpu_name = "NP4GS3", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* NP405H */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x41410000, - .cpu_name = "NP405H", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405GPr */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x50910000, - .cpu_name = "405GPr", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* STBx25xx */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x51510000, - .cpu_name = "STBx25xx", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405LP */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x41F10000, - .cpu_name = "405LP", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EP */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x51210000, - .cpu_name = "405EP", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EX Rev. A/B with Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910007, - .cpu_name = "405EX Rev. A/B", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EX Rev. C without Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x1291000d, - .cpu_name = "405EX Rev. C", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EX Rev. C with Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x1291000f, - .cpu_name = "405EX Rev. C", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EX Rev. D without Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910003, - .cpu_name = "405EX Rev. D", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EX Rev. D with Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910005, - .cpu_name = "405EX Rev. D", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EXr Rev. A/B without Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910001, - .cpu_name = "405EXr Rev. A/B", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EXr Rev. C without Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910009, - .cpu_name = "405EXr Rev. C", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EXr Rev. C with Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x1291000b, - .cpu_name = "405EXr Rev. C", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EXr Rev. D without Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910000, - .cpu_name = "405EXr Rev. D", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* 405EXr Rev. D with Security */ - .pvr_mask = 0xffff000f, - .pvr_value = 0x12910002, - .cpu_name = "405EXr Rev. D", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { - /* 405EZ */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x41510000, - .cpu_name = "405EZ", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* APM8018X */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x7ff11432, - .cpu_name = "APM8018X", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - }, - { /* default match */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "(generic 40x PPC)", - .cpu_features = CPU_FTRS_40X, - .cpu_user_features = PPC_FEATURE_32 | - PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC, - .mmu_features = MMU_FTR_TYPE_40x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc405", - } - -#endif /* CONFIG_40x */ -#ifdef CONFIG_44x -#ifndef CONFIG_PPC_47x - { - .pvr_mask = 0xf0000fff, - .pvr_value = 0x40000850, - .cpu_name = "440GR Rev. A", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x40000858, - .cpu_name = "440EP Rev. A", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440ep, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { - .pvr_mask = 0xf0000fff, - .pvr_value = 0x400008d3, - .cpu_name = "440GR Rev. B", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { /* Matches both physical and logical PVR for 440EP (logical pvr = pvr | 0x8) */ - .pvr_mask = 0xf0000ff7, - .pvr_value = 0x400008d4, - .cpu_name = "440EP Rev. C", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440ep, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x400008db, - .cpu_name = "440EP Rev. B", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440ep, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { /* 440GRX */ - .pvr_mask = 0xf0000ffb, - .pvr_value = 0x200008D0, - .cpu_name = "440GRX", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440grx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* Use logical PVR for 440EPx (logical pvr = pvr | 0x8) */ - .pvr_mask = 0xf0000ffb, - .pvr_value = 0x200008D8, - .cpu_name = "440EPX", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440epx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440GP Rev. B */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x40000440, - .cpu_name = "440GP Rev. B", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440gp", - }, - { /* 440GP Rev. C */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x40000481, - .cpu_name = "440GP Rev. C", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440gp", - }, - { /* 440GX Rev. A */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x50000850, - .cpu_name = "440GX Rev. A", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440gx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440GX Rev. B */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x50000851, - .cpu_name = "440GX Rev. B", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440gx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440GX Rev. C */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x50000892, - .cpu_name = "440GX Rev. C", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440gx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440GX Rev. F */ - .pvr_mask = 0xf0000fff, - .pvr_value = 0x50000894, - .cpu_name = "440GX Rev. F", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440gx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440SP Rev. A */ - .pvr_mask = 0xfff00fff, - .pvr_value = 0x53200891, - .cpu_name = "440SP Rev. A", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440", - }, - { /* 440SPe Rev. A */ - .pvr_mask = 0xfff00fff, - .pvr_value = 0x53400890, - .cpu_name = "440SPe Rev. A", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440spe, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 440SPe Rev. B */ - .pvr_mask = 0xfff00fff, - .pvr_value = 0x53400891, - .cpu_name = "440SPe Rev. B", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_440spe, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 460EX */ - .pvr_mask = 0xffff0006, - .pvr_value = 0x13020002, - .cpu_name = "460EX", - .cpu_features = CPU_FTRS_440x6, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_460ex, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 460EX Rev B */ - .pvr_mask = 0xffff0007, - .pvr_value = 0x13020004, - .cpu_name = "460EX Rev. B", - .cpu_features = CPU_FTRS_440x6, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_460ex, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 460GT */ - .pvr_mask = 0xffff0006, - .pvr_value = 0x13020000, - .cpu_name = "460GT", - .cpu_features = CPU_FTRS_440x6, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_460gt, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 460GT Rev B */ - .pvr_mask = 0xffff0007, - .pvr_value = 0x13020005, - .cpu_name = "460GT Rev. B", - .cpu_features = CPU_FTRS_440x6, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_460gt, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 460SX */ - .pvr_mask = 0xffffff00, - .pvr_value = 0x13541800, - .cpu_name = "460SX", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_460sx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* 464 in APM821xx */ - .pvr_mask = 0xfffffff0, - .pvr_value = 0x12C41C80, - .cpu_name = "APM821XX", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .cpu_setup = __setup_cpu_apm821xx, - .machine_check = machine_check_440A, - .platform = "ppc440", - }, - { /* default match */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "(generic 44x PPC)", - .cpu_features = CPU_FTRS_44X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_44x, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_4xx, - .platform = "ppc440", - } -#else /* CONFIG_PPC_47x */ - { /* 476 DD2 core */ - .pvr_mask = 0xffffffff, - .pvr_value = 0x11a52080, - .cpu_name = "476", - .cpu_features = CPU_FTRS_47X | CPU_FTR_476_DD2, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_47x | - MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL, - .icache_bsize = 32, - .dcache_bsize = 128, - .machine_check = machine_check_47x, - .platform = "ppc470", - }, - { /* 476fpe */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x7ff50000, - .cpu_name = "476fpe", - .cpu_features = CPU_FTRS_47X | CPU_FTR_476_DD2, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_47x | - MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL, - .icache_bsize = 32, - .dcache_bsize = 128, - .machine_check = machine_check_47x, - .platform = "ppc470", - }, - { /* 476 iss */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00050000, - .cpu_name = "476", - .cpu_features = CPU_FTRS_47X, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_47x | - MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL, - .icache_bsize = 32, - .dcache_bsize = 128, - .machine_check = machine_check_47x, - .platform = "ppc470", - }, - { /* 476 others */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x11a50000, - .cpu_name = "476", - .cpu_features = CPU_FTRS_47X, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_FPU, - .mmu_features = MMU_FTR_TYPE_47x | - MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL, - .icache_bsize = 32, - .dcache_bsize = 128, - .machine_check = machine_check_47x, - .platform = "ppc470", - }, - { /* default match */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "(generic 47x PPC)", - .cpu_features = CPU_FTRS_47X, - .cpu_user_features = COMMON_USER_BOOKE, - .mmu_features = MMU_FTR_TYPE_47x, - .icache_bsize = 32, - .dcache_bsize = 128, - .machine_check = machine_check_47x, - .platform = "ppc470", - } -#endif /* CONFIG_PPC_47x */ -#endif /* CONFIG_44x */ -#endif /* CONFIG_PPC32 */ -#ifdef CONFIG_E500 -#ifdef CONFIG_PPC32 -#ifndef CONFIG_PPC_E500MC - { /* e500 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80200000, - .cpu_name = "e500", - .cpu_features = CPU_FTRS_E500, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_SPE_COMP | - PPC_FEATURE_HAS_EFP_SINGLE_COMP, - .cpu_user_features2 = PPC_FEATURE2_ISEL, - .mmu_features = MMU_FTR_TYPE_FSL_E, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_e500v1, - .machine_check = machine_check_e500, - .platform = "ppc8540", - }, - { /* e500v2 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80210000, - .cpu_name = "e500v2", - .cpu_features = CPU_FTRS_E500_2, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_SPE_COMP | - PPC_FEATURE_HAS_EFP_SINGLE_COMP | - PPC_FEATURE_HAS_EFP_DOUBLE_COMP, - .cpu_user_features2 = PPC_FEATURE2_ISEL, - .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS, - .icache_bsize = 32, - .dcache_bsize = 32, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_e500v2, - .machine_check = machine_check_e500, - .platform = "ppc8548", - .cpu_down_flush = cpu_down_flush_e500v2, - }, -#else - { /* e500mc */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80230000, - .cpu_name = "e500mc", - .cpu_features = CPU_FTRS_E500MC, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .cpu_user_features2 = PPC_FEATURE2_ISEL, - .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | - MMU_FTR_USE_TLBILX, - .icache_bsize = 64, - .dcache_bsize = 64, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_e500mc, - .machine_check = machine_check_e500mc, - .platform = "ppce500mc", - .cpu_down_flush = cpu_down_flush_e500mc, - }, -#endif /* CONFIG_PPC_E500MC */ -#endif /* CONFIG_PPC32 */ -#ifdef CONFIG_PPC_E500MC - { /* e5500 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80240000, - .cpu_name = "e5500", - .cpu_features = CPU_FTRS_E5500, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, - .cpu_user_features2 = PPC_FEATURE2_ISEL, - .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | - MMU_FTR_USE_TLBILX, - .icache_bsize = 64, - .dcache_bsize = 64, - .num_pmcs = 4, - .cpu_setup = __setup_cpu_e5500, -#ifndef CONFIG_PPC32 - .cpu_restore = __restore_cpu_e5500, -#endif - .machine_check = machine_check_e500mc, - .platform = "ppce5500", - .cpu_down_flush = cpu_down_flush_e5500, - }, - { /* e6500 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x80400000, - .cpu_name = "e6500", - .cpu_features = CPU_FTRS_E6500, - .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU | - PPC_FEATURE_HAS_ALTIVEC_COMP, - .cpu_user_features2 = PPC_FEATURE2_ISEL, - .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | - MMU_FTR_USE_TLBILX, - .icache_bsize = 64, - .dcache_bsize = 64, - .num_pmcs = 6, - .cpu_setup = __setup_cpu_e6500, -#ifndef CONFIG_PPC32 - .cpu_restore = __restore_cpu_e6500, -#endif - .machine_check = machine_check_e500mc, - .platform = "ppce6500", - .cpu_down_flush = cpu_down_flush_e6500, - }, -#endif /* CONFIG_PPC_E500MC */ -#ifdef CONFIG_PPC32 - { /* default match */ - .pvr_mask = 0x00000000, - .pvr_value = 0x00000000, - .cpu_name = "(generic E500 PPC)", - .cpu_features = CPU_FTRS_E500, - .cpu_user_features = COMMON_USER_BOOKE | - PPC_FEATURE_HAS_SPE_COMP | - PPC_FEATURE_HAS_EFP_SINGLE_COMP, - .mmu_features = MMU_FTR_TYPE_FSL_E, - .icache_bsize = 32, - .dcache_bsize = 32, - .machine_check = machine_check_e500, - .platform = "powerpc", - } -#endif /* CONFIG_PPC32 */ -#endif /* CONFIG_E500 */ -}; +#include "cpu_specs.h" void __init set_cur_cpu_spec(struct cpu_spec *s) { @@ -2018,6 +104,8 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr) struct cpu_spec *s = cpu_specs; int i; + BUILD_BUG_ON(!ARRAY_SIZE(cpu_specs)); + s = PTRRELOC(s); for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++) { diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index fc800a9fb2c4fb..c3fb9fdf5bd782 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -1099,7 +1099,7 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char prop = of_get_flat_dt_prop(node, "display-name", NULL); if (prop && strlen((char *)prop) != 0) { - strlcpy(dt_cpu_name, (char *)prop, sizeof(dt_cpu_name)); + strscpy(dt_cpu_name, (char *)prop, sizeof(dt_cpu_name)); cur_cpu_spec->cpu_name = dt_cpu_name; } diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 1d599df6f16906..3fc7c9886bb709 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -49,7 +49,7 @@ */ .align 12 -#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_E500) +#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_E500) .globl prepare_transfer_to_handler prepare_transfer_to_handler: /* if from kernel, check interrupted DOZE/NAP mode */ @@ -68,10 +68,10 @@ prepare_transfer_to_handler: lwz r9,_MSR(r11) /* if sleeping, clear MSR.EE */ rlwinm r9,r9,0,~MSR_EE lwz r12,_LINK(r11) /* and return to address in LR */ - lwz r2, GPR2(r11) + REST_GPR(2, r11) b fast_exception_return _ASM_NOKPROBE_SYMBOL(prepare_transfer_to_handler) -#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_E500 */ +#endif /* CONFIG_PPC_BOOK3S_32 || CONFIG_PPC_E500 */ #if defined(CONFIG_PPC_KUEP) && defined(CONFIG_PPC_BOOK3S_32) .globl __kuep_lock @@ -101,6 +101,7 @@ __kuep_unlock: .globl transfer_to_syscall transfer_to_syscall: + stw r3, ORIG_GPR3(r1) stw r11, GPR1(r1) stw r11, 0(r1) mflr r12 @@ -121,9 +122,9 @@ transfer_to_syscall: SAVE_NVGPRS(r1) kuep_lock - /* Calling convention has r9 = orig r0, r10 = regs */ - addi r10,r1,STACK_FRAME_OVERHEAD - mr r9,r0 + /* Calling convention has r3 = regs, r4 = orig r0 */ + addi r3,r1,STACK_FRAME_OVERHEAD + mr r4,r0 bl system_call_exception ret_from_syscall: @@ -143,7 +144,7 @@ ret_from_syscall: lwz r7,_NIP(r1) lwz r8,_MSR(r1) cmpwi r3,0 - lwz r3,GPR3(r1) + REST_GPR(3, r1) syscall_exit_finish: mtspr SPRN_SRR0,r7 mtspr SPRN_SRR1,r8 @@ -151,8 +152,8 @@ syscall_exit_finish: bne 3f mtcr r5 -1: lwz r2,GPR2(r1) - lwz r1,GPR1(r1) +1: REST_GPR(2, r1) + REST_GPR(1, r1) rfi #ifdef CONFIG_40x b . /* Prevent prefetch past rfi */ @@ -164,10 +165,8 @@ syscall_exit_finish: REST_NVGPRS(r1) mtctr r4 mtxer r5 - lwz r0,GPR0(r1) - lwz r3,GPR3(r1) - REST_GPRS(4, 11, r1) - lwz r12,GPR12(r1) + REST_GPR(0, r1) + REST_GPRS(3, 12, r1) b 1b #ifdef CONFIG_44x @@ -259,13 +258,12 @@ fast_exception_return: beq 3f /* if not, we've got problems */ #endif -2: REST_GPRS(3, 6, r11) - lwz r10,_CCR(r11) - REST_GPRS(1, 2, r11) +2: lwz r10,_CCR(r11) + REST_GPRS(1, 6, r11) mtcr r10 lwz r10,_LINK(r11) mtlr r10 - /* Clear the exception_marker on the stack to avoid confusing stacktrace */ + /* Clear the exception marker on the stack to avoid confusing stacktrace */ li r10, 0 stw r10, 8(r11) REST_GPR(10, r11) @@ -276,7 +274,7 @@ fast_exception_return: mtspr SPRN_SRR0,r12 REST_GPR(9, r11) REST_GPR(12, r11) - lwz r11,GPR11(r11) + REST_GPR(11, r11) rfi #ifdef CONFIG_40x b . /* Prevent prefetch past rfi */ @@ -322,7 +320,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) li r0,0 /* - * Leaving a stale exception_marker on the stack can confuse + * Leaving a stale exception marker on the stack can confuse * the reliable stack unwinder later on. Clear it. */ stw r0,8(r1) @@ -374,7 +372,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) mtspr SPRN_XER,r5 /* - * Leaving a stale exception_marker on the stack can confuse + * Leaving a stale exception marker on the stack can confuse * the reliable stack unwinder later on. Clear it. */ stw r0,8(r1) @@ -453,9 +451,8 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return) lwz r3,_MSR(r1); \ andi. r3,r3,MSR_PR; \ bne interrupt_return; \ - lwz r0,GPR0(r1); \ - lwz r2,GPR2(r1); \ - REST_GPRS(3, 8, r1); \ + REST_GPR(0, r1); \ + REST_GPRS(2, 8, r1); \ lwz r10,_XER(r1); \ lwz r11,_CTR(r1); \ mtspr SPRN_XER,r10; \ @@ -474,11 +471,8 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return) lwz r12,_MSR(r1); \ mtspr exc_lvl_srr0,r11; \ mtspr exc_lvl_srr1,r12; \ - lwz r9,GPR9(r1); \ - lwz r12,GPR12(r1); \ - lwz r10,GPR10(r1); \ - lwz r11,GPR11(r1); \ - lwz r1,GPR1(r1); \ + REST_GPRS(9, 12, r1); \ + REST_GPR(1, r1); \ exc_lvl_rfi; \ b .; /* prevent prefetch past exc_lvl_rfi */ @@ -488,7 +482,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return) mtspr SPRN_##exc_lvl_srr0,r9; \ mtspr SPRN_##exc_lvl_srr1,r10; -#if defined(CONFIG_PPC_BOOK3E_MMU) +#if defined(CONFIG_PPC_E500) #ifdef CONFIG_PHYS_64BIT #define RESTORE_MAS7 \ lwz r11,MAS7(r1); \ diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 01ace4c56104dc..3e2e37e6ecabe9 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -292,16 +292,16 @@ _GLOBAL(enter_prom) /* Prepare a 32-bit mode big endian MSR */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 rlwinm r11,r11,0,1,31 mtsrr1 r11 rfi -#else /* CONFIG_PPC_BOOK3E */ +#else /* CONFIG_PPC_BOOK3E_64 */ LOAD_REG_IMMEDIATE(r12, MSR_SF | MSR_LE) andc r11,r11,r12 mtsrr1 r11 RFI_TO_KERNEL -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ 1: /* Return from OF */ FIXUP_ENDIAN diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 67dc4e3179a02a..930e360990152e 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -216,17 +216,15 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV) mtlr r10 mtcr r11 - ld r10,GPR10(r1) - ld r11,GPR11(r1) - ld r12,GPR12(r1) + REST_GPRS(10, 12, r1) mtspr \scratch,r0 std r10,\paca_ex+EX_R10(r13); std r11,\paca_ex+EX_R11(r13); ld r10,_NIP(r1) ld r11,_MSR(r1) - ld r0,GPR0(r1) - ld r1,GPR1(r1) + REST_GPR(0, r1) + REST_GPR(1, r1) mtspr \srr0,r10 mtspr \srr1,r11 ld r10,\paca_ex+EX_R10(r13) @@ -291,7 +289,6 @@ ret_from_mc_except: #define SPRN_MC_SRR0 SPRN_MCSRR0 #define SPRN_MC_SRR1 SPRN_MCSRR1 -#ifdef CONFIG_PPC_FSL_BOOK3E #define GEN_BTB_FLUSH \ START_BTB_FLUSH_SECTION \ beq 1f; \ @@ -307,13 +304,6 @@ ret_from_mc_except: #define DBG_BTB_FLUSH CRIT_BTB_FLUSH #define MC_BTB_FLUSH CRIT_BTB_FLUSH #define GDBELL_BTB_FLUSH GEN_BTB_FLUSH -#else -#define GEN_BTB_FLUSH -#define CRIT_BTB_FLUSH -#define DBG_BTB_FLUSH -#define MC_BTB_FLUSH -#define GDBELL_BTB_FLUSH -#endif #define NORMAL_EXCEPTION_PROLOG(n, intnum, addition) \ EXCEPTION_PROLOG(n, intnum, GEN, addition##_GEN(n)) @@ -372,25 +362,24 @@ ret_from_mc_except: /* Core exception code for all exceptions except TLB misses. */ #define EXCEPTION_COMMON_LVL(n, scratch, excf) \ exc_##n##_common: \ - std r0,GPR0(r1); /* save r0 in stackframe */ \ - std r2,GPR2(r1); /* save r2 in stackframe */ \ - SAVE_GPRS(3, 9, r1); /* save r3 - r9 in stackframe */ \ + SAVE_GPR(0, r1); /* save r0 in stackframe */ \ + SAVE_GPRS(2, 9, r1); /* save r2 - r9 in stackframe */ \ std r10,_NIP(r1); /* save SRR0 to stackframe */ \ std r11,_MSR(r1); /* save SRR1 to stackframe */ \ beq 2f; /* if from kernel mode */ \ 2: ld r3,excf+EX_R10(r13); /* get back r10 */ \ ld r4,excf+EX_R11(r13); /* get back r11 */ \ mfspr r5,scratch; /* get back r13 */ \ - std r12,GPR12(r1); /* save r12 in stackframe */ \ - ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \ + SAVE_GPR(12, r1); /* save r12 in stackframe */ \ + LOAD_PACA_TOC(); /* get kernel TOC into r2 */ \ mflr r6; /* save LR in stackframe */ \ mfctr r7; /* save CTR in stackframe */ \ mfspr r8,SPRN_XER; /* save XER in stackframe */ \ ld r9,excf+EX_R1(r13); /* load orig r1 back from PACA */ \ lwz r10,excf+EX_CR(r13); /* load orig CR back from PACA */ \ lbz r11,PACAIRQSOFTMASK(r13); /* get current IRQ softe */ \ - ld r12,exception_marker@toc(r2); \ - li r0,0; \ + LOAD_REG_IMMEDIATE(r12, STACK_FRAME_REGS_MARKER); \ + ZEROIZE_GPR(0); \ std r3,GPR10(r1); /* save r10 to stackframe */ \ std r4,GPR11(r1); /* save r11 to stackframe */ \ std r5,GPR13(r1); /* save it to stackframe */ \ @@ -470,12 +459,6 @@ exc_##n##_bad_stack: \ bl hdlr; \ b interrupt_return -/* This value is used to mark exception frames on the stack. */ - .section ".toc","aw" -exception_marker: - .tc ID_EXC_MARKER[TC],STACK_FRAME_REGS_MARKER - - /* * And here we have the exception vectors ! */ @@ -704,9 +687,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) beq+ 1f #ifdef CONFIG_RELOCATABLE - ld r15,PACATOC(r13) - ld r14,interrupt_base_book3e@got(r15) - ld r15,__end_interrupts@got(r15) + __LOAD_PACA_TOC(r15) + LOAD_REG_ADDR_ALTTOC(r14, r15, interrupt_base_book3e) + LOAD_REG_ADDR_ALTTOC(r15, r15, __end_interrupts) cmpld cr0,r10,r14 cmpld cr1,r10,r15 #else @@ -775,9 +758,9 @@ kernel_dbg_exc: beq+ 1f #ifdef CONFIG_RELOCATABLE - ld r15,PACATOC(r13) - ld r14,interrupt_base_book3e@got(r15) - ld r15,__end_interrupts@got(r15) + __LOAD_PACA_TOC(r15) + LOAD_REG_ADDR_ALTTOC(r14, r15, interrupt_base_book3e) + LOAD_REG_ADDR_ALTTOC(r15, r15, __end_interrupts) cmpld cr0,r10,r14 cmpld cr1,r10,r15 #else @@ -900,9 +883,9 @@ kernel_dbg_exc: .macro SEARCH_RESTART_TABLE #ifdef CONFIG_RELOCATABLE - ld r11,PACATOC(r13) - ld r14,__start___restart_table@got(r11) - ld r15,__stop___restart_table@got(r11) + __LOAD_PACA_TOC(r11) + LOAD_REG_ADDR_ALTTOC(r14, r11, __start___restart_table) + LOAD_REG_ADDR_ALTTOC(r15, r11, __stop___restart_table) #else LOAD_REG_IMMEDIATE_SYM(r14, r11, __start___restart_table) LOAD_REG_IMMEDIATE_SYM(r15, r11, __stop___restart_table) @@ -1056,15 +1039,14 @@ bad_stack_book3e: mfspr r11,SPRN_ESR std r10,_DEAR(r1) std r11,_ESR(r1) - std r0,GPR0(r1); /* save r0 in stackframe */ \ - std r2,GPR2(r1); /* save r2 in stackframe */ \ - SAVE_GPRS(3, 9, r1); /* save r3 - r9 in stackframe */ \ + SAVE_GPR(0, r1); /* save r0 in stackframe */ \ + SAVE_GPRS(2, 9, r1); /* save r2 - r9 in stackframe */ \ ld r3,PACA_EXGEN+EX_R10(r13);/* get back r10 */ \ ld r4,PACA_EXGEN+EX_R11(r13);/* get back r11 */ \ mfspr r5,SPRN_SPRG_GEN_SCRATCH;/* get back r13 XXX can be wrong */ \ std r3,GPR10(r1); /* save r10 to stackframe */ \ std r4,GPR11(r1); /* save r11 to stackframe */ \ - std r12,GPR12(r1); /* save r12 in stackframe */ \ + SAVE_GPR(12, r1); /* save r12 in stackframe */ \ std r5,GPR13(r1); /* save it to stackframe */ \ mflr r10 mfctr r11 @@ -1072,14 +1054,14 @@ bad_stack_book3e: std r10,_LINK(r1) std r11,_CTR(r1) std r12,_XER(r1) - SAVE_GPRS(14, 31, r1) + SAVE_NVGPRS(r1) lhz r12,PACA_TRAP_SAVE(r13) std r12,_TRAP(r1) addi r11,r1,INT_FRAME_SIZE std r11,0(r1) - li r12,0 + ZEROIZE_GPR(12) std r12,0(r11) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() 1: addi r3,r1,STACK_FRAME_OVERHEAD bl kernel_bad_stack b 1b @@ -1320,8 +1302,8 @@ a2_tlbinit_after_linear_map: /* Now we branch the new virtual address mapped by this entry */ #ifdef CONFIG_RELOCATABLE - ld r5,PACATOC(r13) - ld r3,1f@got(r5) + __LOAD_PACA_TOC(r5) + LOAD_REG_ADDR_ALTTOC(r3, r5, 1f) #else LOAD_REG_IMMEDIATE_SYM(r3, r5, 1f) #endif diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 3d0dc133a9ae10..5381a43e50fef9 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -281,7 +281,7 @@ BEGIN_FTR_SECTION mfspr r9,SPRN_PPR END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) HMT_MEDIUM - std r10,IAREA+EX_R10(r13) /* save r10 - r12 */ + std r10,IAREA+EX_R10(r13) /* save r10 */ .if ICFAR BEGIN_FTR_SECTION mfspr r10,SPRN_CFAR @@ -321,7 +321,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) mfctr r10 std r10,IAREA+EX_CTR(r13) mfcr r9 - std r11,IAREA+EX_R11(r13) + std r11,IAREA+EX_R11(r13) /* save r11 - r12 */ std r12,IAREA+EX_R12(r13) /* @@ -580,7 +580,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) std r2,GPR2(r1) /* save r2 in stackframe */ SAVE_GPRS(3, 8, r1) /* save r3 - r8 in stackframe */ mflr r9 /* Get LR, later save to stack */ - ld r2,PACATOC(r13) /* get kernel TOC into r2 */ + LOAD_PACA_TOC() /* get kernel TOC into r2 */ std r9,_LINK(r1) lbz r10,PACAIRQSOFTMASK(r13) mfspr r11,SPRN_XER /* save XER in stackframe */ @@ -589,7 +589,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) li r9,IVEC std r9,_TRAP(r1) /* set trap number */ li r10,0 - ld r11,exception_marker@toc(r2) + LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) std r10,RESULT(r1) /* clear regs->result */ std r11,STACK_FRAME_OVERHEAD-16(r1) /* mark the frame */ .endm @@ -610,7 +610,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) .macro SEARCH_RESTART_TABLE #ifdef CONFIG_RELOCATABLE mr r12,r2 - ld r2,PACATOC(r13) + LOAD_PACA_TOC() LOAD_REG_ADDR(r9, __start___restart_table) LOAD_REG_ADDR(r10, __stop___restart_table) mr r2,r12 @@ -640,7 +640,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) .macro SEARCH_SOFT_MASK_TABLE #ifdef CONFIG_RELOCATABLE mr r12,r2 - ld r2,PACATOC(r13) + LOAD_PACA_TOC() LOAD_REG_ADDR(r9, __start___soft_mask_table) LOAD_REG_ADDR(r10, __stop___soft_mask_table) mr r2,r12 @@ -703,6 +703,71 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) .endm /* + * EARLY_BOOT_FIXUP - Fix real-mode interrupt with wrong endian in early boot. + * + * There's a short window during boot where although the kernel is running + * little endian, any exceptions will cause the CPU to switch back to big + * endian. For example a WARN() boils down to a trap instruction, which will + * cause a program check, and we end up here but with the CPU in big endian + * mode. The first instruction of the program check handler (in GEN_INT_ENTRY + * below) is an mtsprg, which when executed in the wrong endian is an lhzu with + * a ~3GB displacement from r3. The content of r3 is random, so that is a load + * from some random location, and depending on the system can easily lead to a + * checkstop, or an infinitely recursive page fault. + * + * So to handle that case we have a trampoline here that can detect we are in + * the wrong endian and flip us back to the correct endian. We can't flip + * MSR[LE] using mtmsr, so we have to use rfid. That requires backing up SRR0/1 + * as well as a GPR. To do that we use SPRG0/2/3, as SPRG1 is already used for + * the paca. SPRG3 is user readable, but this trampoline is only active very + * early in boot, and SPRG3 will be reinitialised in vdso_getcpu_init() before + * userspace starts. + */ +.macro EARLY_BOOT_FIXUP +BEGIN_FTR_SECTION +#ifdef CONFIG_CPU_LITTLE_ENDIAN + tdi 0,0,0x48 // Trap never, or in reverse endian: b . + 8 + b 2f // Skip trampoline if endian is correct + .long 0xa643707d // mtsprg 0, r11 Backup r11 + .long 0xa6027a7d // mfsrr0 r11 + .long 0xa643727d // mtsprg 2, r11 Backup SRR0 in SPRG2 + .long 0xa6027b7d // mfsrr1 r11 + .long 0xa643737d // mtsprg 3, r11 Backup SRR1 in SPRG3 + .long 0xa600607d // mfmsr r11 + .long 0x01006b69 // xori r11, r11, 1 Invert MSR[LE] + .long 0xa6037b7d // mtsrr1 r11 + /* + * This is 'li r11,1f' where 1f is the absolute address of that + * label, byteswapped into the SI field of the instruction. + */ + .long 0x00006039 | \ + ((ABS_ADDR(1f, real_vectors) & 0x00ff) << 24) | \ + ((ABS_ADDR(1f, real_vectors) & 0xff00) << 8) + .long 0xa6037a7d // mtsrr0 r11 + .long 0x2400004c // rfid +1: + mfsprg r11, 3 + mtsrr1 r11 // Restore SRR1 + mfsprg r11, 2 + mtsrr0 r11 // Restore SRR0 + mfsprg r11, 0 // Restore r11 +2: +#endif + /* + * program check could hit at any time, and pseries can not block + * MSR[ME] in early boot. So check if there is anything useful in r13 + * yet, and spin forever if not. + */ + mtsprg 0, r11 + mfcr r11 + cmpdi r13, 0 + beq . + mtcr r11 + mfsprg r11, 0 +END_FTR_SECTION(0, 1) // nop out after boot +.endm + +/* * There are a few constraints to be concerned with. * - Real mode exceptions code/data must be located at their physical location. * - Virtual mode exceptions must be mapped at their 0xc000... location. @@ -1079,6 +1144,7 @@ INT_DEFINE_BEGIN(machine_check) INT_DEFINE_END(machine_check) EXC_REAL_BEGIN(machine_check, 0x200, 0x100) + EARLY_BOOT_FIXUP GEN_INT_ENTRY machine_check_early, virt=0 EXC_REAL_END(machine_check, 0x200, 0x100) EXC_VIRT_NONE(0x4200, 0x100) @@ -1143,6 +1209,9 @@ BEGIN_FTR_SECTION bl enable_machine_check END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) addi r3,r1,STACK_FRAME_OVERHEAD +BEGIN_FTR_SECTION + bl machine_check_early_boot +END_FTR_SECTION(0, 1) // nop out after boot bl machine_check_early std r3,RESULT(r1) /* Save result */ ld r12,_MSR(r1) @@ -1619,51 +1688,7 @@ INT_DEFINE_BEGIN(program_check) INT_DEFINE_END(program_check) EXC_REAL_BEGIN(program_check, 0x700, 0x100) - -#ifdef CONFIG_CPU_LITTLE_ENDIAN - /* - * There's a short window during boot where although the kernel is - * running little endian, any exceptions will cause the CPU to switch - * back to big endian. For example a WARN() boils down to a trap - * instruction, which will cause a program check, and we end up here but - * with the CPU in big endian mode. The first instruction of the program - * check handler (in GEN_INT_ENTRY below) is an mtsprg, which when - * executed in the wrong endian is an lhzu with a ~3GB displacement from - * r3. The content of r3 is random, so that is a load from some random - * location, and depending on the system can easily lead to a checkstop, - * or an infinitely recursive page fault. - * - * So to handle that case we have a trampoline here that can detect we - * are in the wrong endian and flip us back to the correct endian. We - * can't flip MSR[LE] using mtmsr, so we have to use rfid. That requires - * backing up SRR0/1 as well as a GPR. To do that we use SPRG0/2/3, as - * SPRG1 is already used for the paca. SPRG3 is user readable, but this - * trampoline is only active very early in boot, and SPRG3 will be - * reinitialised in vdso_getcpu_init() before userspace starts. - */ -BEGIN_FTR_SECTION - tdi 0,0,0x48 // Trap never, or in reverse endian: b . + 8 - b 1f // Skip trampoline if endian is correct - .long 0xa643707d // mtsprg 0, r11 Backup r11 - .long 0xa6027a7d // mfsrr0 r11 - .long 0xa643727d // mtsprg 2, r11 Backup SRR0 in SPRG2 - .long 0xa6027b7d // mfsrr1 r11 - .long 0xa643737d // mtsprg 3, r11 Backup SRR1 in SPRG3 - .long 0xa600607d // mfmsr r11 - .long 0x01006b69 // xori r11, r11, 1 Invert MSR[LE] - .long 0xa6037b7d // mtsrr1 r11 - .long 0x34076039 // li r11, 0x734 - .long 0xa6037a7d // mtsrr0 r11 - .long 0x2400004c // rfid - mfsprg r11, 3 - mtsrr1 r11 // Restore SRR1 - mfsprg r11, 2 - mtsrr0 r11 // Restore SRR0 - mfsprg r11, 0 // Restore r11 -1: -END_FTR_SECTION(0, 1) // nop out after boot -#endif /* CONFIG_CPU_LITTLE_ENDIAN */ - + EARLY_BOOT_FIXUP GEN_INT_ENTRY program_check, virt=0 EXC_REAL_END(program_check, 0x700, 0x100) EXC_VIRT_BEGIN(program_check, 0x4700, 0x100) @@ -2794,6 +2819,20 @@ masked_Hinterrupt: masked_interrupt: .endif stw r9,PACA_EXGEN+EX_CCR(r13) +#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG + /* + * Ensure there was no previous MUST_HARD_MASK interrupt or + * HARD_DIS setting. If this does fire, the interrupt is still + * masked and MSR[EE] will be cleared on return, so no need to + * panic, but somebody probably enabled MSR[EE] under + * PACA_IRQ_HARD_DIS, mtmsr(mfmsr() | MSR_x) being a common + * cause. + */ + lbz r9,PACAIRQHAPPENED(r13) + andi. r9,r9,(PACA_IRQ_MUST_HARD_MASK|PACA_IRQ_HARD_DIS) +0: tdnei r9,0 + EMIT_WARN_ENTRY 0b,__FILE__,__LINE__,(BUGFLAG_WARNING | BUGFLAG_ONCE) +#endif lbz r9,PACAIRQHAPPENED(r13) or r9,r9,r10 stb r9,PACAIRQHAPPENED(r13) @@ -3034,22 +3073,6 @@ EXPORT_SYMBOL(do_uaccess_flush) MASKED_INTERRUPT MASKED_INTERRUPT hsrr=1 - /* - * Relocation-on interrupts: A subset of the interrupts can be delivered - * with IR=1/DR=1, if AIL==2 and MSR.HV won't be changed by delivering - * it. Addresses are the same as the original interrupt addresses, but - * offset by 0xc000000000004000. - * It's impossible to receive interrupts below 0x300 via this mechanism. - * KVM: None of these traps are from the guest ; anything that escalated - * to HV=1 from HV=0 is delivered via real mode handlers. - */ - - /* - * This uses the standard macro, since the original 0x300 vector - * only has extra guff for STAB-based processors -- which never - * come here. - */ - USE_FIXED_SECTION(virt_trampolines) /* * All code below __end_soft_masked is treated as soft-masked. If @@ -3075,7 +3098,7 @@ CLOSE_FIXED_SECTION(virt_trampolines); USE_TEXT_SECTION() /* MSR[RI] should be clear because this uses SRR[01] */ -enable_machine_check: +_GLOBAL(enable_machine_check) mflr r0 bcl 20,31,$+4 0: mflr r3 diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index cf2c08902c0569..cfc09a96a420cb 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -143,7 +143,7 @@ DEFINE_FIXED_SYMBOL(__run_at_load, first_256B) .globl __secondary_hold __secondary_hold: FIXUP_ENDIAN -#ifndef CONFIG_PPC_BOOK3E +#ifndef CONFIG_PPC_BOOK3E_64 mfmsr r24 ori r24,r24,MSR_RI mtmsrd r24 /* RI on */ @@ -160,7 +160,7 @@ __secondary_hold: sync li r26,0 -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 tovirt(r26,r26) #endif /* All secondary cpus wait here until told to start. */ @@ -169,7 +169,7 @@ __secondary_hold: beq 100b #if defined(CONFIG_SMP) || defined(CONFIG_KEXEC_CORE) -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 tovirt(r12,r12) #endif mtctr r12 @@ -178,7 +178,7 @@ __secondary_hold: * it may be the case that other platforms have r4 right to * begin with, this gives us some safety in case it is not */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 mr r4,r25 #else li r4,0 @@ -192,13 +192,6 @@ __secondary_hold: #endif CLOSE_FIXED_SECTION(first_256B) -/* This value is used to mark exception frames on the stack. */ - .section ".toc","aw" -/* This value is used to mark exception frames on the stack. */ -exception_marker: - .tc ID_EXC_MARKER[TC],STACK_FRAME_REGS_MARKER - .previous - /* * On server, we include the exception vectors code here as it * relies on absolute addressing which is only possible within @@ -214,7 +207,7 @@ USE_TEXT_SECTION() #include "interrupt_64.S" -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* * The booting_thread_hwid holds the thread id we want to boot in cpu * hotplug case. It is set by cpu hotplug code, and is invalid by default. @@ -322,7 +315,7 @@ _GLOBAL(fsl_secondary_thread_init) bl book3e_secondary_thread_init b generic_secondary_common_init -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ /* * On pSeries and most other platforms, secondary processors spin @@ -345,7 +338,7 @@ _GLOBAL(generic_secondary_smp_init) bl relative_toc tovirt(r2,r2) -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* Book3E initialization */ mr r3,r24 mr r4,r25 @@ -417,7 +410,7 @@ generic_secondary_common_init: b kexec_wait /* next kernel might do better */ 2: SET_PACA(r13) -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 addi r12,r13,PACA_EXTLB /* and TLB exc frame in another */ mtspr SPRN_SPRG_TLB_EXFRAME,r12 #endif @@ -494,6 +487,9 @@ __start_initialization_multiplatform: /* Make sure we are running in 64 bits mode */ bl enable_64b_mode + /* Zero r13 (paca) so early program check / mce don't use it */ + li r13,0 + /* Get TOC pointer (current runtime address) */ bl relative_toc @@ -519,7 +515,7 @@ __start_initialization_multiplatform: mr r29,r9 #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 bl start_initialization_book3e b __after_prom_start #else @@ -540,7 +536,7 @@ __start_initialization_multiplatform: /* Switch off MMU if not already off */ bl __mmu_off b __after_prom_start -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ __REF __boot_from_prom: @@ -587,11 +583,11 @@ __after_prom_start: /* process relocations for the final address of the kernel */ lis r25,PAGE_OFFSET@highest /* compute virtual base of kernel */ sldi r25,r25,32 -#if defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3E_64) tovirt(r26,r26) /* on booke, we already run at PAGE_OFFSET */ #endif lwz r7,(FIXED_SYMBOL_ABS_ADDR(__run_at_load))(r26) -#if defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3E_64) tophys(r26,r26) #endif cmplwi cr0,r7,1 /* flagged to stay where we are ? */ @@ -599,7 +595,7 @@ __after_prom_start: add r25,r25,r26 1: mr r3,r25 bl relocate -#if defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3E_64) /* IVPR needs to be set after relocation. */ bl init_core_book3e #endif @@ -613,11 +609,11 @@ __after_prom_start: * Note: This process overwrites the OF exception vectors. */ li r3,0 /* target addr */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 tovirt(r3,r3) /* on booke, we already run at PAGE_OFFSET */ #endif mr. r4,r26 /* In some cases the loader may */ -#if defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3E_64) tovirt(r4,r4) #endif beq 9f /* have already put us at zero */ @@ -630,14 +626,14 @@ __after_prom_start: * variable __run_at_load, if it is set the kernel is treated as relocatable * kernel, otherwise it will be moved to PHYSICAL_START */ -#if defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3E_64) tovirt(r26,r26) /* on booke, we already run at PAGE_OFFSET */ #endif lwz r7,(FIXED_SYMBOL_ABS_ADDR(__run_at_load))(r26) cmplwi cr0,r7,1 bne 3f -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 LOAD_REG_ADDR(r5, __end_interrupts) LOAD_REG_ADDR(r11, _stext) sub r5,r5,r11 @@ -848,7 +844,7 @@ __secondary_start: * before going into C code. */ start_secondary_prolog: - ld r2,PACATOC(r13) + LOAD_PACA_TOC() li r3,0 std r3,0(r1) /* Zero the stack frame pointer */ bl start_secondary @@ -871,10 +867,10 @@ _GLOBAL(start_secondary_resume) */ enable_64b_mode: mfmsr r11 /* grab the current MSR */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 oris r11,r11,0x8000 /* CM bit set, we'll set ICM later */ mtmsr r11 -#else /* CONFIG_PPC_BOOK3E */ +#else /* CONFIG_PPC_BOOK3E_64 */ LOAD_REG_IMMEDIATE(r12, MSR_64BIT) or r11,r11,r12 mtmsrd r11 @@ -940,7 +936,7 @@ start_here_multiplatform: std r29,8(r11); #endif -#ifndef CONFIG_PPC_BOOK3E +#ifndef CONFIG_PPC_BOOK3E_64 mfmsr r6 ori r6,r6,MSR_RI mtmsrd r6 /* RI on */ @@ -988,7 +984,7 @@ start_here_common: std r1,PACAKSAVE(r13) /* Load the TOC (virtual address) */ - ld r2,PACATOC(r13) + LOAD_PACA_TOC() /* Mark interrupts soft and hard disabled (they might be enabled * in the PACA when doing hotplug) diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_85xx.S index f0db4f52bc001d..52c0ab416326a8 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_85xx.S @@ -129,7 +129,7 @@ _GLOBAL(_start); /* * For the second relocation, we already set the right tlb entries - * for the kernel space, so skip the code in fsl_booke_entry_mapping.S + * for the kernel space, so skip the code in 85xx_entry_mapping.S */ cmpwi r19,1 beq set_ivor @@ -159,7 +159,7 @@ _GLOBAL(__early_start) lwz r20,0(r20) #define ENTRY_MAPPING_BOOT_SETUP -#include "fsl_booke_entry_mapping.S" +#include "85xx_entry_mapping.S" #undef ENTRY_MAPPING_BOOT_SETUP set_ivor: @@ -912,7 +912,7 @@ get_phys_addr: * Global functions */ -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 #ifndef CONFIG_PPC_E500MC /* Adjust or setup IVORs for e500v1/v2 */ _GLOBAL(__setup_e500_ivors) @@ -955,7 +955,7 @@ _GLOBAL(__setup_ehv_ivors) sync blr #endif /* CONFIG_PPC_E500MC */ -#endif /* CONFIG_E500 */ +#endif /* CONFIG_PPC_E500 */ #ifdef CONFIG_SPE /* diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index bb6d5d0fc4ac8e..1cb9d0f7cbf257 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -34,7 +34,7 @@ */ #define THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4)) -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 #define BOOKE_CLEAR_BTB(reg) \ START_BTB_FLUSH_SECTION \ BTB_FLUSH(reg) \ @@ -103,7 +103,7 @@ END_BTB_FLUSH_SECTION .endm .macro prepare_transfer_to_handler -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 andi. r12,r9,MSR_PR bne 777f bl prepare_transfer_to_handler @@ -242,7 +242,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV) .macro SAVE_MMU_REGS -#ifdef CONFIG_PPC_BOOK3E_MMU +#ifdef CONFIG_PPC_E500 mfspr r0,SPRN_MAS0 stw r0,MAS0(r1) mfspr r0,SPRN_MAS1 @@ -257,7 +257,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV) mfspr r0,SPRN_MAS7 stw r0,MAS7(r1) #endif /* CONFIG_PHYS_64BIT */ -#endif /* CONFIG_PPC_BOOK3E_MMU */ +#endif /* CONFIG_PPC_E500 */ #ifdef CONFIG_44x mfspr r0,SPRN_MMUCR stw r0,MMUCR(r1) diff --git a/arch/powerpc/kernel/idle_book3e.S b/arch/powerpc/kernel/idle_64e.S index cc008de58b0509..0fc680e03deea9 100644 --- a/arch/powerpc/kernel/idle_book3e.S +++ b/arch/powerpc/kernel/idle_64e.S @@ -2,7 +2,7 @@ /* * Copyright 2010 IBM Corp, Benjamin Herrenschmidt <benh@kernel.crashing.org> * - * Generic idle routine for Book3E processors + * Generic idle routine for 64 bits e500 processors */ #include <linux/threads.h> @@ -16,8 +16,6 @@ #include <asm/hw_irq.h> /* 64-bit version only for now */ -#ifdef CONFIG_PPC64 - .macro BOOK3E_IDLE name loop _GLOBAL(\name) /* Save LR for later */ @@ -77,7 +75,7 @@ _GLOBAL(\name) .macro BOOK3E_IDLE_LOOP 1: - PPC_WAIT(0) + PPC_WAIT_v203 b 1b .endm @@ -98,6 +96,4 @@ epapr_ev_idle_start: BOOK3E_IDLE epapr_ev_idle EPAPR_EV_IDLE_LOOP -BOOK3E_IDLE book3e_idle BOOK3E_IDLE_LOOP - -#endif /* CONFIG_PPC64 */ +BOOK3E_IDLE e500_idle BOOK3E_IDLE_LOOP diff --git a/arch/powerpc/kernel/idle_e500.S b/arch/powerpc/kernel/idle_85xx.S index 9e1bc4502c507d..9e1bc4502c507d 100644 --- a/arch/powerpc/kernel/idle_e500.S +++ b/arch/powerpc/kernel/idle_85xx.S diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index 0e75cb03244ade..f9db0a172401a5 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -431,16 +431,6 @@ again: if (unlikely(stack_store)) __hard_EE_RI_disable(); - /* - * Returning to a kernel context with local irqs disabled. - * Here, if EE was enabled in the interrupted context, enable - * it on return as well. A problem exists here where a soft - * masked interrupt may have cleared MSR[EE] and set HARD_DIS - * here, and it will still exist on return to the caller. This - * will be resolved by the masked interrupt firing again. - */ - if (regs->msr & MSR_EE) - local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS; #endif /* CONFIG_PPC64 */ } diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index ce25b28cf418ef..904a5608cbe30e 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -13,16 +13,6 @@ #include <asm/ppc_asm.h> #include <asm/ptrace.h> - .section ".toc","aw" -SYS_CALL_TABLE: - .tc sys_call_table[TC],sys_call_table - -#ifdef CONFIG_COMPAT -COMPAT_SYS_CALL_TABLE: - .tc compat_sys_call_table[TC],compat_sys_call_table -#endif - .previous - .align 7 .macro DEBUG_SRR_VALID srr @@ -67,16 +57,11 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name) std r0,GPR0(r1) std r10,GPR1(r1) std r2,GPR2(r1) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() mfcr r12 li r11,0 - /* Can we avoid saving r3-r8 in common case? */ - std r3,GPR3(r1) - std r4,GPR4(r1) - std r5,GPR5(r1) - std r6,GPR6(r1) - std r7,GPR7(r1) - std r8,GPR8(r1) + /* Save syscall parameters in r3-r8 */ + SAVE_GPRS(3, 8, r1) /* Zero r9-r12, this should only be required when restoring all GPRs */ std r11,GPR9(r1) std r11,GPR10(r1) @@ -91,9 +76,12 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name) li r11,\trapnr std r11,_TRAP(r1) std r12,_CCR(r1) - addi r10,r1,STACK_FRAME_OVERHEAD - ld r11,exception_marker@toc(r2) - std r11,-16(r10) /* "regshere" marker */ + std r3,ORIG_GPR3(r1) + /* Calling convention has r3 = regs, r4 = orig r0 */ + addi r3,r1,STACK_FRAME_OVERHEAD + mr r4,r0 + LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) + std r11,-16(r3) /* "regshere" marker */ BEGIN_FTR_SECTION HMT_MEDIUM @@ -108,8 +96,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) * but this is the best we can do. */ - /* Calling convention has r9 = orig r0, r10 = regs */ - mr r9,r0 bl system_call_exception .Lsyscall_vectored_\name\()_exit: @@ -148,17 +134,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) /* Could zero these as per ABI, but we may consider a stricter ABI * which preserves these if libc implementations can benefit, so * restore them for now until further measurement is done. */ - ld r0,GPR0(r1) - ld r4,GPR4(r1) - ld r5,GPR5(r1) - ld r6,GPR6(r1) - ld r7,GPR7(r1) - ld r8,GPR8(r1) + REST_GPR(0, r1) + REST_GPRS(4, 8, r1) /* Zero volatile regs that may contain sensitive kernel data */ - li r9,0 - li r10,0 - li r11,0 - li r12,0 + ZEROIZE_GPRS(9, 12) mtspr SPRN_XER,r0 /* @@ -181,7 +160,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) ld r5,_XER(r1) REST_NVGPRS(r1) - ld r0,GPR0(r1) + REST_GPR(0, r1) mtcr r2 mtctr r3 mtlr r4 @@ -195,7 +174,7 @@ syscall_vectored_\name\()_restart: _ASM_NOKPROBE_SYMBOL(syscall_vectored_\name\()_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() ld r3,RESULT(r1) addi r4,r1,STACK_FRAME_OVERHEAD li r11,IRQS_ALL_DISABLED @@ -240,21 +219,16 @@ _ASM_NOKPROBE_SYMBOL(system_call_common) std r0,GPR0(r1) std r10,GPR1(r1) std r2,GPR2(r1) -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 START_BTB_FLUSH_SECTION BTB_FLUSH(r10) END_BTB_FLUSH_SECTION #endif - ld r2,PACATOC(r13) + LOAD_PACA_TOC() mfcr r12 li r11,0 - /* Can we avoid saving r3-r8 in common case? */ - std r3,GPR3(r1) - std r4,GPR4(r1) - std r5,GPR5(r1) - std r6,GPR6(r1) - std r7,GPR7(r1) - std r8,GPR8(r1) + /* Save syscall parameters in r3-r8 */ + SAVE_GPRS(3, 8, r1) /* Zero r9-r12, this should only be required when restoring all GPRs */ std r11,GPR9(r1) std r11,GPR10(r1) @@ -275,9 +249,12 @@ END_BTB_FLUSH_SECTION std r10,_LINK(r1) std r11,_TRAP(r1) std r12,_CCR(r1) - addi r10,r1,STACK_FRAME_OVERHEAD - ld r11,exception_marker@toc(r2) - std r11,-16(r10) /* "regshere" marker */ + std r3,ORIG_GPR3(r1) + /* Calling convention has r3 = regs, r4 = orig r0 */ + addi r3,r1,STACK_FRAME_OVERHEAD + mr r4,r0 + LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) + std r11,-16(r3) /* "regshere" marker */ #ifdef CONFIG_PPC_BOOK3S li r11,1 @@ -298,8 +275,6 @@ END_BTB_FLUSH_SECTION wrteei 1 #endif - /* Calling convention has r9 = orig r0, r10 = regs */ - mr r9,r0 bl system_call_exception .Lsyscall_exit: @@ -343,16 +318,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) cmpdi r3,0 bne .Lsyscall_restore_regs /* Zero volatile regs that may contain sensitive kernel data */ - li r0,0 - li r4,0 - li r5,0 - li r6,0 - li r7,0 - li r8,0 - li r9,0 - li r10,0 - li r11,0 - li r12,0 + ZEROIZE_GPR(0) + ZEROIZE_GPRS(4, 12) mtctr r0 mtspr SPRN_XER,r0 .Lsyscall_restore_regs_cont: @@ -378,7 +345,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) REST_NVGPRS(r1) mtctr r3 mtspr SPRN_XER,r4 - ld r0,GPR0(r1) + REST_GPR(0, r1) REST_GPRS(4, 12, r1) b .Lsyscall_restore_regs_cont .Lsyscall_rst_end: @@ -388,7 +355,7 @@ syscall_restart: _ASM_NOKPROBE_SYMBOL(syscall_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() ld r3,RESULT(r1) addi r4,r1,STACK_FRAME_OVERHEAD li r11,IRQS_ALL_DISABLED @@ -535,7 +502,7 @@ interrupt_return_\srr\()_user_restart: _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_user_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() addi r3,r1,STACK_FRAME_OVERHEAD li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) @@ -559,15 +526,43 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel) ld r11,SOFTE(r1) cmpwi r11,IRQS_ENABLED stb r11,PACAIRQSOFTMASK(r13) - bne 1f + beq .Linterrupt_return_\srr\()_soft_enabled + + /* + * Returning to soft-disabled context. + * Check if a MUST_HARD_MASK interrupt has become pending, in which + * case we need to disable MSR[EE] in the return context. + */ + ld r12,_MSR(r1) + andi. r10,r12,MSR_EE + beq .Lfast_kernel_interrupt_return_\srr\() // EE already disabled + lbz r11,PACAIRQHAPPENED(r13) + andi. r10,r11,PACA_IRQ_MUST_HARD_MASK + beq 1f // No HARD_MASK pending + + /* Must clear MSR_EE from _MSR */ +#ifdef CONFIG_PPC_BOOK3S + li r10,0 + /* Clear valid before changing _MSR */ + .ifc \srr,srr + stb r10,PACASRR_VALID(r13) + .else + stb r10,PACAHSRR_VALID(r13) + .endif +#endif + xori r12,r12,MSR_EE + std r12,_MSR(r1) + b .Lfast_kernel_interrupt_return_\srr\() + +.Linterrupt_return_\srr\()_soft_enabled: #ifdef CONFIG_PPC_BOOK3S lbz r11,PACAIRQHAPPENED(r13) andi. r11,r11,(~PACA_IRQ_HARD_DIS)@l bne- interrupt_return_\srr\()_kernel_restart #endif - li r11,0 - stb r11,PACAIRQHAPPENED(r13) # clear out possible HARD_DIS 1: + li r11,0 + stb r11,PACAIRQHAPPENED(r13) // clear the possible HARD_DIS .Lfast_kernel_interrupt_return_\srr\(): cmpdi cr1,r3,0 @@ -619,7 +614,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) mtspr SPRN_XER,r5 /* - * Leaving a stale exception_marker on the stack can confuse + * Leaving a stale STACK_FRAME_REGS_MARKER on the stack can confuse * the reliable stack unwinder later on. Clear it. */ std r0,STACK_FRAME_OVERHEAD-16(r1) @@ -668,7 +663,7 @@ interrupt_return_\srr\()_kernel_restart: _ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) - ld r2,PACATOC(r13) + LOAD_PACA_TOC() addi r3,r1,STACK_FRAME_OVERHEAD li r11,IRQS_ALL_DISABLED stb r11,PACAIRQSOFTMASK(r13) diff --git a/arch/powerpc/kernel/irq_64.c b/arch/powerpc/kernel/irq_64.c index 01645e03e9f044..eb2b380e52a0d0 100644 --- a/arch/powerpc/kernel/irq_64.c +++ b/arch/powerpc/kernel/irq_64.c @@ -68,6 +68,35 @@ int distribute_irqs = 1; +static inline void next_interrupt(struct pt_regs *regs) +{ + /* + * Softirq processing can enable/disable irqs, which will leave + * MSR[EE] enabled and the soft mask set to IRQS_DISABLED. Fix + * this up. + */ + if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) + hard_irq_disable(); + else + irq_soft_mask_set(IRQS_ALL_DISABLED); + + /* + * We are responding to the next interrupt, so interrupt-off + * latencies should be reset here. + */ + trace_hardirqs_on(); + trace_hardirqs_off(); +} + +static inline bool irq_happened_test_and_clear(u8 irq) +{ + if (local_paca->irq_happened & irq) { + local_paca->irq_happened &= ~irq; + return true; + } + return false; +} + void replay_soft_interrupts(void) { struct pt_regs regs; @@ -79,18 +108,25 @@ void replay_soft_interrupts(void) * recurse into this function. Don't keep any state across * interrupt handler calls which may change underneath us. * + * Softirqs can not be disabled over replay to stop this recursion + * because interrupts taken in idle code may require RCU softirq + * to run in the irq RCU tracking context. This is a hard problem + * to fix without changes to the softirq or idle layer. + * * We use local_paca rather than get_paca() to avoid all the * debug_smp_processor_id() business in this low level function. */ + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) { + WARN_ON_ONCE(mfmsr() & MSR_EE); + WARN_ON(!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)); + } + ppc_save_regs(®s); regs.softe = IRQS_ENABLED; regs.msr |= MSR_EE; again: - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) - WARN_ON_ONCE(mfmsr() & MSR_EE); - /* * Force the delivery of pending soft-disabled interrupts on PS3. * Any HV call will have this side effect. @@ -105,56 +141,47 @@ again: * This is a higher priority interrupt than the others, so * replay it first. */ - if (IS_ENABLED(CONFIG_PPC_BOOK3S) && (local_paca->irq_happened & PACA_IRQ_HMI)) { - local_paca->irq_happened &= ~PACA_IRQ_HMI; + if (IS_ENABLED(CONFIG_PPC_BOOK3S) && + irq_happened_test_and_clear(PACA_IRQ_HMI)) { regs.trap = INTERRUPT_HMI; handle_hmi_exception(®s); - if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) - hard_irq_disable(); + next_interrupt(®s); } - if (local_paca->irq_happened & PACA_IRQ_DEC) { - local_paca->irq_happened &= ~PACA_IRQ_DEC; + if (irq_happened_test_and_clear(PACA_IRQ_DEC)) { regs.trap = INTERRUPT_DECREMENTER; timer_interrupt(®s); - if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) - hard_irq_disable(); + next_interrupt(®s); } - if (local_paca->irq_happened & PACA_IRQ_EE) { - local_paca->irq_happened &= ~PACA_IRQ_EE; + if (irq_happened_test_and_clear(PACA_IRQ_EE)) { regs.trap = INTERRUPT_EXTERNAL; do_IRQ(®s); - if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) - hard_irq_disable(); + next_interrupt(®s); } - if (IS_ENABLED(CONFIG_PPC_DOORBELL) && (local_paca->irq_happened & PACA_IRQ_DBELL)) { - local_paca->irq_happened &= ~PACA_IRQ_DBELL; + if (IS_ENABLED(CONFIG_PPC_DOORBELL) && + irq_happened_test_and_clear(PACA_IRQ_DBELL)) { regs.trap = INTERRUPT_DOORBELL; doorbell_exception(®s); - if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) - hard_irq_disable(); + next_interrupt(®s); } /* Book3E does not support soft-masking PMI interrupts */ - if (IS_ENABLED(CONFIG_PPC_BOOK3S) && (local_paca->irq_happened & PACA_IRQ_PMI)) { - local_paca->irq_happened &= ~PACA_IRQ_PMI; + if (IS_ENABLED(CONFIG_PPC_BOOK3S) && + irq_happened_test_and_clear(PACA_IRQ_PMI)) { regs.trap = INTERRUPT_PERFMON; performance_monitor_exception(®s); - if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS)) - hard_irq_disable(); + next_interrupt(®s); } - if (local_paca->irq_happened & ~PACA_IRQ_HARD_DIS) { - /* - * We are responding to the next interrupt, so interrupt-off - * latencies should be reset here. - */ - trace_hardirqs_on(); - trace_hardirqs_off(); + /* + * Softirq processing can enable and disable interrupts, which can + * result in new irqs becoming pending. Must keep looping until we + * have cleared out all pending interrupts. + */ + if (local_paca->irq_happened & ~PACA_IRQ_HARD_DIS) goto again; - } } #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_PPC_KUAP) @@ -270,10 +297,12 @@ happened: trace_hardirqs_off(); replay_soft_interrupts_irqrestore(); - local_paca->irq_happened = 0; trace_hardirqs_on(); irq_soft_mask_set(IRQS_ENABLED); + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) + WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS); + local_paca->irq_happened = 0; __hard_irq_enable(); preempt_enable(); } diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index a20deebf233fd0..1a1e9995dae35b 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -47,7 +47,7 @@ static struct hard_trap_info { 0x0c00, 0x14 /* SIGCHLD */ }, /* system call */ #ifdef CONFIG_BOOKE_OR_40x { 0x2002, 0x05 /* SIGTRAP */ }, /* debug */ -#if defined(CONFIG_FSL_BOOKE) +#if defined(CONFIG_PPC_85xx) { 0x2010, 0x08 /* SIGFPE */ }, /* spe unavailable */ { 0x2020, 0x08 /* SIGFPE */ }, /* spe unavailable */ { 0x2030, 0x08 /* SIGFPE */ }, /* spe fp data */ @@ -57,7 +57,7 @@ static struct hard_trap_info { 0x2900, 0x08 /* SIGFPE */ }, /* apu unavailable */ { 0x3100, 0x0e /* SIGALRM */ }, /* fixed interval timer */ { 0x3200, 0x02 /* SIGINT */ }, /* watchdog */ -#else /* ! CONFIG_FSL_BOOKE */ +#else /* ! CONFIG_PPC_85xx */ { 0x1000, 0x0e /* SIGALRM */ }, /* prog interval timer */ { 0x1010, 0x0e /* SIGALRM */ }, /* fixed interval timer */ { 0x1020, 0x02 /* SIGINT */ }, /* watchdog */ @@ -208,7 +208,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) for (reg = 14; reg < 32; reg++) PACK64(ptr, regs->gpr[reg]); -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx #ifdef CONFIG_SPE for (reg = 0; reg < 32; reg++) PACK64(ptr, p->thread.evr[reg]); @@ -234,7 +234,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) #define GDB_SIZEOF_REG sizeof(unsigned long) #define GDB_SIZEOF_REG_U32 sizeof(u32) -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx #define GDB_SIZEOF_FLOAT_REG sizeof(unsigned long) #else #define GDB_SIZEOF_FLOAT_REG sizeof(u64) @@ -329,7 +329,7 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) if (regno >= 32 && regno < 64) { /* FP registers 32 -> 63 */ -#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) +#if defined(CONFIG_PPC_85xx) && defined(CONFIG_SPE) if (current) memcpy(mem, ¤t->thread.evr[regno-32], dbg_reg_def[regno].size); @@ -355,7 +355,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs) if (regno >= 32 && regno < 64) { /* FP registers 32 -> 63 */ -#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) +#if defined(CONFIG_PPC_85xx) && defined(CONFIG_SPE) memcpy(¤t->thread.evr[regno-32], mem, dbg_reg_def[regno].size); #else diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 912d4f8a13beb2..bd7b1a03545948 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -161,7 +161,13 @@ int arch_prepare_kprobe(struct kprobe *p) preempt_disable(); prev = get_kprobe(p->addr - 1); preempt_enable_no_resched(); - if (prev && ppc_inst_prefixed(ppc_inst_read(prev->ainsn.insn))) { + + /* + * When prev is a ftrace-based kprobe, we don't have an insn, and it + * doesn't probe for prefixed instruction. + */ + if (prev && !kprobe_ftrace(prev) && + ppc_inst_prefixed(ppc_inst_read(prev->ainsn.insn))) { printk("Cannot register a kprobe on the second word of prefixed instruction\n"); ret = -EINVAL; } diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 6568823cf30630..5b3c093611baf1 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -455,7 +455,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features) kvm_patch_ins_lwz(inst, magic_var(dsisr), inst_rt); break; -#ifdef CONFIG_PPC_BOOK3E_MMU +#ifdef CONFIG_PPC_E500 case KVM_INST_MFSPR(SPRN_MAS0): if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7) kvm_patch_ins_lwz(inst, magic_var(mas0), inst_rt); @@ -484,7 +484,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features) if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7) kvm_patch_ins_lwz(inst, magic_var(mas7_3), inst_rt); break; -#endif /* CONFIG_PPC_BOOK3E_MMU */ +#endif /* CONFIG_PPC_E500 */ case KVM_INST_MFSPR(SPRN_SPRG4): #ifdef CONFIG_BOOKE @@ -557,7 +557,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features) case KVM_INST_MTSPR(SPRN_DSISR): kvm_patch_ins_stw(inst, magic_var(dsisr), inst_rt); break; -#ifdef CONFIG_PPC_BOOK3E_MMU +#ifdef CONFIG_PPC_E500 case KVM_INST_MTSPR(SPRN_MAS0): if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7) kvm_patch_ins_stw(inst, magic_var(mas0), inst_rt); @@ -586,7 +586,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features) if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7) kvm_patch_ins_stw(inst, magic_var(mas7_3), inst_rt); break; -#endif /* CONFIG_PPC_BOOK3E_MMU */ +#endif /* CONFIG_PPC_E500 */ case KVM_INST_MTSPR(SPRN_SPRG4): if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7) diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 5c58460b269ac3..f048c424c525b0 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -471,6 +471,8 @@ void __init find_legacy_serial_ports(void) } #endif + of_node_put(stdout); + DBG("legacy_serial_console = %d\n", legacy_serial_console); if (legacy_serial_console >= 0) setup_legacy_serial_console(legacy_serial_console); diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index fd6d8d3a548e0c..36184cada00b11 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -286,7 +286,7 @@ kexec_flag: #ifdef CONFIG_KEXEC_CORE -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* * BOOK3E has no real MMU mode, so we have to setup the initial TLB * for a core to identity map v:0 to p:0. This current implementation @@ -354,7 +354,7 @@ _GLOBAL(kexec_smp_wait) * don't overwrite r3 here, it is live for kexec_wait above. */ real_mode: /* assume normal blr return */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* Create an identity mapping. */ b kexec_create_tlb #else @@ -413,7 +413,7 @@ _GLOBAL(kexec_sequence) lhz r25,PACAHWCPUID(r13) /* get our phys cpu from paca */ /* disable interrupts, we are overwriting kernel data next */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 wrteei 0 #else mfmsr r3 diff --git a/arch/powerpc/kernel/optprobes_head.S b/arch/powerpc/kernel/optprobes_head.S index 5c7f0b4b784b26..cd4e7bc32609d3 100644 --- a/arch/powerpc/kernel/optprobes_head.S +++ b/arch/powerpc/kernel/optprobes_head.S @@ -73,7 +73,7 @@ optprobe_template_entry: * further below. */ #ifdef CONFIG_PPC64 - ld r2,PACATOC(r13) + LOAD_PACA_TOC() #endif .global optprobe_template_op_address diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index ba593fd6012450..be8db402e96390 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -16,7 +16,6 @@ #include <asm/kexec.h> #include <asm/svm.h> #include <asm/ultravisor.h> -#include <asm/rtas.h> #include "setup.h" @@ -170,30 +169,6 @@ static struct slb_shadow * __init new_slb_shadow(int cpu, unsigned long limit) } #endif /* CONFIG_PPC_64S_HASH_MMU */ -#ifdef CONFIG_PPC_PSERIES -/** - * new_rtas_args() - Allocates rtas args - * @cpu: CPU number - * @limit: Memory limit for this allocation - * - * Allocates a struct rtas_args and return it's pointer, - * if not in Hypervisor mode - * - * Return: Pointer to allocated rtas_args - * NULL if CPU in Hypervisor Mode - */ -static struct rtas_args * __init new_rtas_args(int cpu, unsigned long limit) -{ - limit = min_t(unsigned long, limit, RTAS_INSTANTIATE_MAX); - - if (early_cpu_has_feature(CPU_FTR_HVMODE)) - return NULL; - - return alloc_paca_data(sizeof(struct rtas_args), L1_CACHE_BYTES, - limit, cpu); -} -#endif /* CONFIG_PPC_PSERIES */ - /* The Paca is an array with one entry per processor. Each contains an * lppaca, which contains the information shared between the * hypervisor and Linux. @@ -211,7 +186,7 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu) #ifdef CONFIG_PPC_PSERIES new_paca->lppaca_ptr = NULL; #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 new_paca->kernel_pgd = swapper_pg_dir; #endif new_paca->lock_token = 0x8000; @@ -228,14 +203,10 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu) new_paca->slb_shadow_ptr = NULL; #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* For now -- if we have threads this will be adjusted later */ new_paca->tcd_ptr = &new_paca->tcd; #endif - -#ifdef CONFIG_PPC_PSERIES - new_paca->rtas_args_reentrant = NULL; -#endif } /* Put the paca pointer into r13 and SPRG_PACA */ @@ -244,7 +215,7 @@ void setup_paca(struct paca_struct *new_paca) /* Setup r13 */ local_paca = new_paca; -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* On Book3E, initialize the TLB miss exception frames */ mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb); #else @@ -308,9 +279,6 @@ void __init allocate_paca(int cpu) #ifdef CONFIG_PPC_64S_HASH_MMU paca->slb_shadow_ptr = new_slb_shadow(cpu, limit); #endif -#ifdef CONFIG_PPC_PSERIES - paca->rtas_args_reentrant = new_rtas_args(cpu, limit); -#endif paca_struct_size += sizeof(struct paca_struct); } diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 31de91c8359c11..d67cf79bf5d034 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -135,7 +135,7 @@ struct pci_controller *pcibios_alloc_controller(struct device_node *dev) list_add_tail(&phb->list_node, &hose_list); spin_unlock(&hose_spinlock); - phb->dn = dev; + phb->dn = of_node_get(dev); phb->is_dynamic = slab_is_available(); #ifdef CONFIG_PPC64 if (dev) { @@ -158,7 +158,7 @@ void pcibios_free_controller(struct pci_controller *phb) /* Clear bit of phb_bitmap to allow reuse of this PHB number. */ if (phb->global_number < MAX_PHBS) clear_bit(phb->global_number, phb_bitmap); - + of_node_put(phb->dn); list_del(&phb->list_node); spin_unlock(&hose_spinlock); diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 7a35fc25a30465..38561d6a207921 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -330,6 +330,7 @@ struct pci_dn *pci_add_device_node_info(struct pci_controller *hose, INIT_LIST_HEAD(&pdn->list); parent = of_get_parent(dn); pdn->parent = parent ? PCI_DN(parent) : NULL; + of_node_put(parent); if (pdn->parent) list_add_tail(&pdn->list, &pdn->parent->child_list); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 0fbda89cd1bb53..37df0428e4fbea 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -127,7 +127,7 @@ unsigned long notrace msr_check_and_set(unsigned long bits) newmsr |= MSR_VSX; if (oldmsr != newmsr) - mtmsr_isync(newmsr); + newmsr = mtmsr_isync_irqsafe(newmsr); return newmsr; } @@ -145,7 +145,7 @@ void notrace __msr_check_and_clear(unsigned long bits) newmsr &= ~MSR_VSX; if (oldmsr != newmsr) - mtmsr_isync(newmsr); + mtmsr_isync_irqsafe(newmsr); } EXPORT_SYMBOL(__msr_check_and_clear); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index a730b951b64bfe..1eed87d954ba8f 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -30,6 +30,7 @@ #include <linux/libfdt.h> #include <linux/cpu.h> #include <linux/pgtable.h> +#include <linux/seq_buf.h> #include <asm/rtas.h> #include <asm/page.h> @@ -137,7 +138,7 @@ static void __init move_device_tree(void) } /* - * ibm,pa-features is a per-cpu property that contains a string of + * ibm,pa/pi-features is a per-cpu property that contains a string of * attribute descriptors, each of which has a 2 byte header plus up * to 254 bytes worth of processor attribute bits. First header * byte specifies the number of bytes following the header. @@ -149,15 +150,17 @@ static void __init move_device_tree(void) * is supported/not supported. Note that the bit numbers are * big-endian to match the definition in PAPR. */ -static struct ibm_pa_feature { +struct ibm_feature { unsigned long cpu_features; /* CPU_FTR_xxx bit */ unsigned long mmu_features; /* MMU_FTR_xxx bit */ unsigned int cpu_user_ftrs; /* PPC_FEATURE_xxx bit */ unsigned int cpu_user_ftrs2; /* PPC_FEATURE2_xxx bit */ - unsigned char pabyte; /* byte number in ibm,pa-features */ + unsigned char pabyte; /* byte number in ibm,pa/pi-features */ unsigned char pabit; /* bit number (big-endian) */ unsigned char invert; /* if 1, pa bit set => clear feature */ -} ibm_pa_features[] __initdata = { +}; + +static struct ibm_feature ibm_pa_features[] __initdata = { { .pabyte = 0, .pabit = 0, .cpu_user_ftrs = PPC_FEATURE_HAS_MMU }, { .pabyte = 0, .pabit = 1, .cpu_user_ftrs = PPC_FEATURE_HAS_FPU }, { .pabyte = 0, .pabit = 3, .cpu_features = CPU_FTR_CTRL }, @@ -179,9 +182,19 @@ static struct ibm_pa_feature { { .pabyte = 64, .pabit = 0, .cpu_features = CPU_FTR_DAWR1 }, }; +/* + * ibm,pi-features property provides the support of processor specific + * options not described in ibm,pa-features. Right now use byte 0, bit 3 + * which indicates the occurrence of DSI interrupt when the paste operation + * on the suspended NX window. + */ +static struct ibm_feature ibm_pi_features[] __initdata = { + { .pabyte = 0, .pabit = 3, .mmu_features = MMU_FTR_NX_DSI }, +}; + static void __init scan_features(unsigned long node, const unsigned char *ftrs, unsigned long tablelen, - struct ibm_pa_feature *fp, + struct ibm_feature *fp, unsigned long ft_size) { unsigned long i, len, bit; @@ -218,17 +231,18 @@ static void __init scan_features(unsigned long node, const unsigned char *ftrs, } } -static void __init check_cpu_pa_features(unsigned long node) +static void __init check_cpu_features(unsigned long node, char *name, + struct ibm_feature *fp, + unsigned long size) { const unsigned char *pa_ftrs; int tablelen; - pa_ftrs = of_get_flat_dt_prop(node, "ibm,pa-features", &tablelen); + pa_ftrs = of_get_flat_dt_prop(node, name, &tablelen); if (pa_ftrs == NULL) return; - scan_features(node, pa_ftrs, tablelen, - ibm_pa_features, ARRAY_SIZE(ibm_pa_features)); + scan_features(node, pa_ftrs, tablelen, fp, size); } #ifdef CONFIG_PPC_64S_HASH_MMU @@ -376,11 +390,16 @@ static int __init early_init_dt_scan_cpus(unsigned long node, */ if (!dt_cpu_ftrs_in_use()) { prop = of_get_flat_dt_prop(node, "cpu-version", NULL); - if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) + if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) { identify_cpu(0, be32_to_cpup(prop)); + seq_buf_printf(&ppc_hw_desc, "0x%04x ", be32_to_cpup(prop)); + } check_cpu_feature_properties(node); - check_cpu_pa_features(node); + check_cpu_features(node, "ibm,pa-features", ibm_pa_features, + ARRAY_SIZE(ibm_pa_features)); + check_cpu_features(node, "ibm,pi-features", ibm_pi_features, + ARRAY_SIZE(ibm_pi_features)); } identical_pvr_fixup(node); @@ -696,6 +715,23 @@ static void __init tm_init(void) static void tm_init(void) { } #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ +static int __init +early_init_dt_scan_model(unsigned long node, const char *uname, + int depth, void *data) +{ + const char *prop; + + if (depth != 0) + return 0; + + prop = of_get_flat_dt_prop(node, "model", NULL); + if (prop) + seq_buf_printf(&ppc_hw_desc, "%s ", prop); + + /* break now */ + return 1; +} + #ifdef CONFIG_PPC64 static void __init save_fscr_to_task(void) { @@ -724,6 +760,8 @@ void __init early_init_devtree(void *params) if (!early_init_dt_verify(params)) panic("BUG: Failed verifying flat device tree, bad version?"); + of_scan_flat_dt(early_init_dt_scan_model, NULL); + #ifdef CONFIG_PPC_RTAS /* Some machines might need RTAS info for debugging, grab it now. */ of_scan_flat_dt(early_init_dt_scan_rtas, NULL); @@ -803,6 +841,9 @@ void __init early_init_devtree(void *params) dt_cpu_ftrs_scan(); + // We can now add the CPU name & PVR to the hardware description + seq_buf_printf(&ppc_hw_desc, "%s 0x%04lx ", cur_cpu_spec->cpu_name, mfspr(SPRN_PVR)); + /* Retrieve CPU related informations from the flat tree * (altivec support, boot CPU ID, ...) */ diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index a6669c40c1dbec..d464ba412084d1 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -96,12 +96,6 @@ static int of_workarounds __prombss; #define OF_WA_CLAIM 1 /* do phys/virt claim separately, then map */ #define OF_WA_LONGTRAIL 2 /* work around longtrail bugs */ -#define PROM_BUG() do { \ - prom_printf("kernel BUG at %s line 0x%x!\n", \ - __FILE__, __LINE__); \ - __builtin_trap(); \ -} while (0) - #ifdef DEBUG_PROM #define prom_debug(x...) prom_printf(x) #else diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh index dfa5f729f774d6..311890d71c4c98 100644 --- a/arch/powerpc/kernel/prom_init_check.sh +++ b/arch/powerpc/kernel/prom_init_check.sh @@ -26,8 +26,7 @@ _end enter_prom $MEM_FUNCS reloc_offset __secondary_hold __secondary_hold_acknowledge __secondary_hold_spinloop __start logo_linux_clut224 btext_prepare_BAT reloc_got2 kernstart_addr memstart_addr linux_banner _stext -__prom_init_toc_start __prom_init_toc_end btext_setup_display TOC. -relocate" +btext_setup_display TOC. relocate" NM="$1" OBJ="$2" diff --git a/arch/powerpc/kernel/reloc_64.S b/arch/powerpc/kernel/reloc_64.S index 232e4549defe1f..efd52f2e703399 100644 --- a/arch/powerpc/kernel/reloc_64.S +++ b/arch/powerpc/kernel/reloc_64.S @@ -27,8 +27,8 @@ _GLOBAL(relocate) add r9,r9,r12 /* r9 has runtime addr of .rela.dyn section */ ld r10,(p_st - 0b)(r12) add r10,r10,r12 /* r10 has runtime addr of _stext */ - ld r13,(p_sym - 0b)(r12) - add r13,r13,r12 /* r13 has runtime addr of .dynsym */ + ld r4,(p_sym - 0b)(r12) + add r4,r4,r12 /* r4 has runtime addr of .dynsym */ /* * Scan the dynamic section for the RELA, RELASZ and RELAENT entries. @@ -84,16 +84,16 @@ _GLOBAL(relocate) ld r0,16(r9) /* reloc->r_addend */ b .Lstore .Luaddr64: - srdi r14,r0,32 /* ELF64_R_SYM(reloc->r_info) */ + srdi r5,r0,32 /* ELF64_R_SYM(reloc->r_info) */ clrldi r0,r0,32 cmpdi r0,R_PPC64_UADDR64 bne .Lnext ld r6,0(r9) ld r0,16(r9) - mulli r14,r14,24 /* 24 == sizeof(elf64_sym) */ - add r14,r14,r13 /* elf64_sym[ELF64_R_SYM] */ - ld r14,8(r14) - add r0,r0,r14 + mulli r5,r5,24 /* 24 == sizeof(elf64_sym) */ + add r5,r5,r4 /* elf64_sym[ELF64_R_SYM] */ + ld r5,8(r5) + add r0,r0,r5 .Lstore: add r0,r0,r3 stdx r0,r7,r6 diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 6931339722948b..e847f9b1c5b9fd 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -23,6 +23,7 @@ #include <linux/memblock.h> #include <linux/slab.h> #include <linux/reboot.h> +#include <linux/security.h> #include <linux/syscalls.h> #include <linux/of.h> #include <linux/of_fdt.h> @@ -43,7 +44,6 @@ #include <asm/time.h> #include <asm/mmu.h> #include <asm/topology.h> -#include <asm/paca.h> /* This is here deliberately so it's only used in this file */ void enter_rtas(unsigned long); @@ -464,6 +464,9 @@ void rtas_call_unlocked(struct rtas_args *args, int token, int nargs, int nret, va_end(list); } +static int ibm_open_errinjct_token; +static int ibm_errinjct_token; + int rtas_call(int token, int nargs, int nret, int *outputs, ...) { va_list list; @@ -476,6 +479,16 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...) if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE) return -1; + if (token == ibm_open_errinjct_token || token == ibm_errinjct_token) { + /* + * It would be nicer to not discard the error value + * from security_locked_down(), but callers expect an + * RTAS status, not an errno. + */ + if (security_locked_down(LOCKDOWN_RTAS_ERROR_INJECTION)) + return -1; + } + if ((mfmsr() & (MSR_IR|MSR_DR)) != (MSR_IR|MSR_DR)) { WARN_ON_ONCE(1); return -1; @@ -932,59 +945,6 @@ void rtas_activate_firmware(void) pr_err("ibm,activate-firmware failed (%i)\n", fwrc); } -#ifdef CONFIG_PPC_PSERIES -/** - * rtas_call_reentrant() - Used for reentrant rtas calls - * @token: Token for desired reentrant RTAS call - * @nargs: Number of Input Parameters - * @nret: Number of Output Parameters - * @outputs: Array of outputs - * @...: Inputs for desired RTAS call - * - * According to LoPAR documentation, only "ibm,int-on", "ibm,int-off", - * "ibm,get-xive" and "ibm,set-xive" are currently reentrant. - * Reentrant calls need their own rtas_args buffer, so not using rtas.args, but - * PACA one instead. - * - * Return: -1 on error, - * First output value of RTAS call if (nret > 0), - * 0 otherwise, - */ -int rtas_call_reentrant(int token, int nargs, int nret, int *outputs, ...) -{ - va_list list; - struct rtas_args *args; - unsigned long flags; - int i, ret = 0; - - if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE) - return -1; - - local_irq_save(flags); - preempt_disable(); - - /* We use the per-cpu (PACA) rtas args buffer */ - args = local_paca->rtas_args_reentrant; - - va_start(list, outputs); - va_rtas_call_unlocked(args, token, nargs, nret, list); - va_end(list); - - if (nret > 1 && outputs) - for (i = 0; i < nret - 1; ++i) - outputs[i] = be32_to_cpu(args->rets[i + 1]); - - if (nret > 0) - ret = be32_to_cpu(args->rets[0]); - - local_irq_restore(flags); - preempt_enable(); - - return ret; -} - -#endif /* CONFIG_PPC_PSERIES */ - /** * get_pseries_errorlog() - Find a specific pseries error log in an RTAS * extended event log. @@ -1227,6 +1187,14 @@ SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs) if (block_rtas_call(token, nargs, &args)) return -EINVAL; + if (token == ibm_open_errinjct_token || token == ibm_errinjct_token) { + int err; + + err = security_locked_down(LOCKDOWN_RTAS_ERROR_INJECTION); + if (err) + return err; + } + /* Need to handle ibm,suspend_me call specially */ if (token == rtas_token("ibm,suspend-me")) { @@ -1325,7 +1293,8 @@ void __init rtas_initialize(void) #ifdef CONFIG_RTAS_ERROR_LOGGING rtas_last_error_token = rtas_token("rtas-last-error"); #endif - + ibm_open_errinjct_token = rtas_token("ibm,open-errinjct"); + ibm_errinjct_token = rtas_token("ibm,errinjct"); rtas_syscall_filter_init(); } diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index d96fd14bd7c9c6..206475e3e0b480 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -16,6 +16,7 @@ #include <asm/asm-prototypes.h> #include <asm/code-patching.h> #include <asm/security_features.h> +#include <asm/sections.h> #include <asm/setup.h> #include <asm/inst.h> @@ -34,7 +35,7 @@ static enum branch_cache_flush_type link_stack_flush_type = BRANCH_CACHE_FLUSH_N bool barrier_nospec_enabled; static bool no_nospec; static bool btb_flush_enabled; -#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_BOOK3S_64) +#if defined(CONFIG_PPC_E500) || defined(CONFIG_PPC_BOOK3S_64) static bool no_spectrev2; #endif @@ -121,7 +122,7 @@ static __init int security_feature_debugfs_init(void) device_initcall(security_feature_debugfs_init); #endif /* CONFIG_DEBUG_FS */ -#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_BOOK3S_64) +#if defined(CONFIG_PPC_E500) || defined(CONFIG_PPC_BOOK3S_64) static int __init handle_nospectre_v2(char *p) { no_spectrev2 = true; @@ -129,9 +130,9 @@ static int __init handle_nospectre_v2(char *p) return 0; } early_param("nospectre_v2", handle_nospectre_v2); -#endif /* CONFIG_PPC_FSL_BOOK3E || CONFIG_PPC_BOOK3S_64 */ +#endif /* CONFIG_PPC_E500 || CONFIG_PPC_BOOK3S_64 */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 void __init setup_spectre_v2(void) { if (no_spectrev2 || cpu_mitigations_off()) @@ -139,7 +140,7 @@ void __init setup_spectre_v2(void) else btb_flush_enabled = true; } -#endif /* CONFIG_PPC_FSL_BOOK3E */ +#endif /* CONFIG_PPC_E500 */ #ifdef CONFIG_PPC_BOOK3S_64 ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index dd98f43bd685c9..6d041993a45dcc 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -18,6 +18,7 @@ #include <linux/delay.h> #include <linux/initrd.h> #include <linux/platform_device.h> +#include <linux/printk.h> #include <linux/seq_file.h> #include <linux/ioport.h> #include <linux/console.h> @@ -25,6 +26,7 @@ #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/unistd.h> +#include <linux/seq_buf.h> #include <linux/serial.h> #include <linux/serial_8250.h> #include <linux/percpu.h> @@ -588,6 +590,15 @@ static __init int add_pcspkr(void) device_initcall(add_pcspkr); #endif /* CONFIG_PCSPKR_PLATFORM */ +static char ppc_hw_desc_buf[128] __initdata; + +struct seq_buf ppc_hw_desc __initdata = { + .buffer = ppc_hw_desc_buf, + .size = sizeof(ppc_hw_desc_buf), + .len = 0, + .readpos = 0, +}; + static __init void probe_machine(void) { extern struct machdep_calls __machine_desc_start; @@ -628,7 +639,13 @@ static __init void probe_machine(void) for (;;); } - printk(KERN_INFO "Using %s machine description\n", ppc_md.name); + // Append the machine name to other info we've gathered + seq_buf_puts(&ppc_hw_desc, ppc_md.name); + + // Set the generic hardware description shown in oopses + dump_stack_set_arch_desc(ppc_hw_desc.buffer); + + pr_info("Hardware name: %s\n", ppc_hw_desc.buffer); } /* Match a class of boards, not a specific device configuration. */ diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h index 93f22da12abe78..7912bb50a7cb82 100644 --- a/arch/powerpc/kernel/setup.h +++ b/arch/powerpc/kernel/setup.h @@ -23,7 +23,7 @@ void check_smt_enabled(void); static inline void check_smt_enabled(void) { } #endif -#if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP) +#if defined(CONFIG_PPC_BOOK3E_64) && defined(CONFIG_SMP) void setup_tlb_core_data(void); #else static inline void setup_tlb_core_data(void) { } diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 8132617893035c..b761cc1a403c3d 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -207,7 +207,7 @@ void __init setup_power_save(void) ppc_md.power_save = ppc6xx_idle; #endif -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 if (cpu_has_feature(CPU_FTR_CAN_DOZE) || cpu_has_feature(CPU_FTR_CAN_NAP)) ppc_md.power_save = e500_idle; diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 2b2d0b0fbb30d8..a0dee7354fe6b5 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -34,6 +34,7 @@ #include <linux/of.h> #include <linux/of_fdt.h> +#include <asm/asm-prototypes.h> #include <asm/kvm_guest.h> #include <asm/io.h> #include <asm/kdump.h> @@ -86,7 +87,7 @@ struct ppc64_caches ppc64_caches = { }; EXPORT_SYMBOL_GPL(ppc64_caches); -#if defined(CONFIG_PPC_BOOK3E) && defined(CONFIG_SMP) +#if defined(CONFIG_PPC_BOOK3E_64) && defined(CONFIG_SMP) void __init setup_tlb_core_data(void) { int cpu; @@ -176,14 +177,26 @@ early_param("smt-enabled", early_smt_enabled); #endif /* CONFIG_SMP */ /** Fix up paca fields required for the boot cpu */ -static void __init fixup_boot_paca(void) +static void __init fixup_boot_paca(struct paca_struct *boot_paca) { /* The boot cpu is started */ - get_paca()->cpu_start = 1; + boot_paca->cpu_start = 1; +#ifdef CONFIG_PPC_BOOK3S_64 + /* + * Give the early boot machine check stack somewhere to use, use + * half of the init stack. This is a bit hacky but there should not be + * deep stack usage in early init so shouldn't overflow it or overwrite + * things. + */ + boot_paca->mc_emergency_sp = (void *)&init_thread_union + + (THREAD_SIZE/2); +#endif /* Allow percpu accesses to work until we setup percpu data */ - get_paca()->data_offset = 0; - /* Mark interrupts disabled in PACA */ - irq_soft_mask_set(IRQS_DISABLED); + boot_paca->data_offset = 0; + /* Mark interrupts soft and hard disabled in PACA */ + boot_paca->irq_soft_mask = IRQS_DISABLED; + boot_paca->irq_happened = PACA_IRQ_HARD_DIS; + WARN_ON(mfmsr() & MSR_EE); } static void __init configure_exceptions(void) @@ -350,11 +363,15 @@ void __init early_setup(unsigned long dt_ptr) * what CPU we are on. */ initialise_paca(&boot_paca, 0); - setup_paca(&boot_paca); - fixup_boot_paca(); + fixup_boot_paca(&boot_paca); + WARN_ON(local_paca != 0); + setup_paca(&boot_paca); /* install the paca into registers */ /* -------- printk is now safe to use ------- */ + if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && (mfmsr() & MSR_HV)) + enable_machine_check(); + /* Try new device tree based feature discovery ... */ if (!dt_cpu_ftrs_init(__va(dt_ptr))) /* Otherwise use the old style CPU table */ @@ -377,8 +394,8 @@ void __init early_setup(unsigned long dt_ptr) /* Poison paca_ptrs[0] again if it's not the boot cpu */ memset(&paca_ptrs[0], 0x88, sizeof(paca_ptrs[0])); } - setup_paca(paca_ptrs[boot_cpuid]); - fixup_boot_paca(); + fixup_boot_paca(paca_ptrs[boot_cpuid]); + setup_paca(paca_ptrs[boot_cpuid]); /* install the paca into registers */ /* * Configure exception handlers. This include setting up trampolines @@ -673,7 +690,7 @@ void __init initialize_cache_info(void) */ __init u64 ppc64_bolted_size(void) { -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 /* Freescale BookE bolts the entire linear mapping */ /* XXX: BookE ppc64_rma_limit setup seems to disagree? */ if (early_mmu_has_feature(MMU_FTR_TYPE_FSL_E)) @@ -723,7 +740,7 @@ void __init irqstack_early_init(void) } } -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 void __init exc_lvl_early_init(void) { unsigned int i; @@ -825,7 +842,7 @@ void __init setup_per_cpu_areas(void) /* * BookE and BookS radix are historical values and should be revisited. */ - if (IS_ENABLED(CONFIG_PPC_BOOK3E)) { + if (IS_ENABLED(CONFIG_PPC_BOOK3E_64)) { atom_size = SZ_1M; } else if (radix_enabled()) { atom_size = PAGE_SIZE; diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index 618aeccdf69184..a429c57ed43318 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -196,9 +196,6 @@ extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, #else /* CONFIG_PPC64 */ -extern long sys_rt_sigreturn(void); -extern long sys_sigreturn(void); - static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct task_struct *tsk) { diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 157a7403e3eb3e..c114c7f25645c0 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -43,7 +43,7 @@ #include <asm/tm.h> #include <asm/asm-prototypes.h> #ifdef CONFIG_PPC64 -#include "ppc32.h" +#include <asm/syscalls_32.h> #include <asm/unistd.h> #else #include <asm/ucontext.h> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 169703fead5766..0da6e59161cd49 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -708,7 +708,7 @@ static struct task_struct *current_set[NR_CPUS]; static void smp_store_cpu_info(int id) { per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR); -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 per_cpu(next_tlbcam_idx, id) = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1; #endif @@ -1257,7 +1257,12 @@ static void cpu_idle_thread_init(unsigned int cpu, struct task_struct *idle) int __cpu_up(unsigned int cpu, struct task_struct *tidle) { - int rc, c; + const unsigned long boot_spin_ms = 5 * MSEC_PER_SEC; + const bool booting = system_state < SYSTEM_RUNNING; + const unsigned long hp_spin_ms = 1; + unsigned long deadline; + int rc; + const unsigned long spin_wait_ms = booting ? boot_spin_ms : hp_spin_ms; /* * Don't allow secondary threads to come online if inhibited @@ -1302,22 +1307,23 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) } /* - * wait to see if the cpu made a callin (is actually up). - * use this value that I found through experimentation. - * -- Cort + * At boot time, simply spin on the callin word until the + * deadline passes. + * + * At run time, spin for an optimistic amount of time to avoid + * sleeping in the common case. */ - if (system_state < SYSTEM_RUNNING) - for (c = 50000; c && !cpu_callin_map[cpu]; c--) - udelay(100); -#ifdef CONFIG_HOTPLUG_CPU - else - /* - * CPUs can take much longer to come up in the - * hotplug case. Wait five seconds. - */ - for (c = 5000; c && !cpu_callin_map[cpu]; c--) - msleep(1); -#endif + deadline = jiffies + msecs_to_jiffies(spin_wait_ms); + spin_until_cond(cpu_callin_map[cpu] || time_is_before_jiffies(deadline)); + + if (!cpu_callin_map[cpu] && system_state >= SYSTEM_RUNNING) { + const unsigned long sleep_interval_us = 10 * USEC_PER_MSEC; + const unsigned long sleep_wait_ms = 100 * MSEC_PER_SEC; + + deadline = jiffies + msecs_to_jiffies(sleep_wait_ms); + while (!cpu_callin_map[cpu] && time_is_after_jiffies(deadline)) + fsleep(sleep_interval_us); + } if (!cpu_callin_map[cpu]) { printk(KERN_ERR "Processor %u is stuck.\n", cpu); diff --git a/arch/powerpc/kernel/swsusp_booke.S b/arch/powerpc/kernel/swsusp_85xx.S index 88cfdbd530f163..88cfdbd530f163 100644 --- a/arch/powerpc/kernel/swsusp_booke.S +++ b/arch/powerpc/kernel/swsusp_85xx.S diff --git a/arch/powerpc/kernel/swsusp_asm64.S b/arch/powerpc/kernel/swsusp_asm64.S index 9f1903c7f54092..f645652c265465 100644 --- a/arch/powerpc/kernel/swsusp_asm64.S +++ b/arch/powerpc/kernel/swsusp_asm64.S @@ -76,16 +76,10 @@ swsusp_save_area: .space SL_SIZE - .section ".toc","aw" -swsusp_save_area_ptr: - .tc swsusp_save_area[TC],swsusp_save_area -restore_pblist_ptr: - .tc restore_pblist[TC],restore_pblist - .section .text .align 5 _GLOBAL(swsusp_arch_suspend) - ld r11,swsusp_save_area_ptr@toc(r2) + LOAD_REG_ADDR(r11, swsusp_save_area) SAVE_SPECIAL(LR) SAVE_REGISTER(r1) SAVE_SPECIAL(CR) @@ -131,7 +125,7 @@ END_FW_FTR_SECTION_IFCLR(FW_FEATURE_LPAR) bl swsusp_save /* restore LR */ - ld r11,swsusp_save_area_ptr@toc(r2) + LOAD_REG_ADDR(r11, swsusp_save_area) RESTORE_SPECIAL(LR) addi r1,r1,128 @@ -145,7 +139,7 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) sync - ld r12,restore_pblist_ptr@toc(r2) + LOAD_REG_ADDR(r11, restore_pblist) ld r12,0(r12) cmpdi r12,0 @@ -187,7 +181,7 @@ nothing_to_copy: tlbia #endif - ld r11,swsusp_save_area_ptr@toc(r2) + LOAD_REG_ADDR(r11, swsusp_save_area) RESTORE_SPECIAL(CR) @@ -265,7 +259,7 @@ END_FW_FTR_SECTION_IFCLR(FW_FEATURE_LPAR) bl do_after_copyback addi r1,r1,128 - ld r11,swsusp_save_area_ptr@toc(r2) + LOAD_REG_ADDR(r11, swsusp_save_area) RESTORE_SPECIAL(LR) li r3, 0 diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index 16ff0399a25749..dcc3c9fd4cfd15 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -25,7 +25,6 @@ #include <linux/poll.h> #include <linux/personality.h> #include <linux/stat.h> -#include <linux/mman.h> #include <linux/in.h> #include <linux/syscalls.h> #include <linux/unistd.h> @@ -48,72 +47,55 @@ #include <asm/syscalls.h> #include <asm/switch_to.h> -unsigned long compat_sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff) -{ - /* This should remain 12 even if PAGE_SIZE changes */ - return sys_mmap(addr, len, prot, flags, fd, pgoff << 12); -} - -/* - * long long munging: - * The 32 bit ABI passes long longs in an odd even register pair. - * High and low parts are swapped depending on endian mode, - * so define a macro (similar to mips linux32) to handle that. - */ -#ifdef __LITTLE_ENDIAN__ -#define merge_64(low, high) ((u64)high << 32) | low -#else -#define merge_64(high, low) ((u64)high << 32) | low -#endif - -compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2) +COMPAT_SYSCALL_DEFINE6(ppc_pread64, + unsigned int, fd, + char __user *, ubuf, compat_size_t, count, + u32, reg6, u32, pos1, u32, pos2) { return ksys_pread64(fd, ubuf, count, merge_64(pos1, pos2)); } -compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2) +COMPAT_SYSCALL_DEFINE6(ppc_pwrite64, + unsigned int, fd, + const char __user *, ubuf, compat_size_t, count, + u32, reg6, u32, pos1, u32, pos2) { return ksys_pwrite64(fd, ubuf, count, merge_64(pos1, pos2)); } -compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count) +COMPAT_SYSCALL_DEFINE5(ppc_readahead, + int, fd, u32, r4, + u32, offset1, u32, offset2, u32, count) { return ksys_readahead(fd, merge_64(offset1, offset2), count); } -asmlinkage int compat_sys_truncate64(const char __user * path, u32 reg4, - unsigned long len1, unsigned long len2) +COMPAT_SYSCALL_DEFINE4(ppc_truncate64, + const char __user *, path, u32, reg4, + unsigned long, len1, unsigned long, len2) { return ksys_truncate(path, merge_64(len1, len2)); } -asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2, - u32 len1, u32 len2) -{ - return ksys_fallocate(fd, mode, ((loff_t)offset1 << 32) | offset2, - merge_64(len1, len2)); -} - -asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1, - unsigned long len2) +COMPAT_SYSCALL_DEFINE4(ppc_ftruncate64, + unsigned int, fd, u32, reg4, + unsigned long, len1, unsigned long, len2) { return ksys_ftruncate(fd, merge_64(len1, len2)); } -long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2, - size_t len, int advice) +COMPAT_SYSCALL_DEFINE6(ppc32_fadvise64, + int, fd, u32, unused, u32, offset1, u32, offset2, + size_t, len, int, advice) { return ksys_fadvise64_64(fd, merge_64(offset1, offset2), len, advice); } -asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags, - unsigned offset1, unsigned offset2, - unsigned nbytes1, unsigned nbytes2) +COMPAT_SYSCALL_DEFINE6(ppc_sync_file_range2, + int, fd, unsigned int, flags, + unsigned int, offset1, unsigned int, offset2, + unsigned int, nbytes1, unsigned int, nbytes2) { loff_t offset = merge_64(offset1, offset2); loff_t nbytes = merge_64(nbytes1, nbytes2); diff --git a/arch/powerpc/kernel/syscall.c b/arch/powerpc/kernel/syscall.c index 81ace9e8b72b68..18b9d325395f5e 100644 --- a/arch/powerpc/kernel/syscall.c +++ b/arch/powerpc/kernel/syscall.c @@ -12,12 +12,8 @@ #include <asm/unistd.h> -typedef long (*syscall_fn)(long, long, long, long, long, long); - /* Has to run notrace because it is entered not completely "reconciled" */ -notrace long system_call_exception(long r3, long r4, long r5, - long r6, long r7, long r8, - unsigned long r0, struct pt_regs *regs) +notrace long system_call_exception(struct pt_regs *regs, unsigned long r0) { long ret; syscall_fn f; @@ -25,7 +21,6 @@ notrace long system_call_exception(long r3, long r4, long r5, kuap_lock(); add_random_kstack_offset(); - regs->orig_gpr3 = r3; if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) BUG_ON(irq_soft_mask_return() != IRQS_ALL_DISABLED); @@ -139,12 +134,6 @@ notrace long system_call_exception(long r3, long r4, long r5, r0 = do_syscall_trace_enter(regs); if (unlikely(r0 >= NR_syscalls)) return regs->gpr[3]; - r3 = regs->gpr[3]; - r4 = regs->gpr[4]; - r5 = regs->gpr[5]; - r6 = regs->gpr[6]; - r7 = regs->gpr[7]; - r8 = regs->gpr[8]; } else if (unlikely(r0 >= NR_syscalls)) { if (unlikely(trap_is_unsupported_scv(regs))) { @@ -158,21 +147,31 @@ notrace long system_call_exception(long r3, long r4, long r5, /* May be faster to do array_index_nospec? */ barrier_nospec(); +#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER + // No COMPAT if we have SYSCALL_WRAPPER, see Kconfig + f = (void *)sys_call_table[r0]; + ret = f(regs); +#else if (unlikely(is_compat_task())) { + unsigned long r3, r4, r5, r6, r7, r8; + f = (void *)compat_sys_call_table[r0]; - r3 &= 0x00000000ffffffffULL; - r4 &= 0x00000000ffffffffULL; - r5 &= 0x00000000ffffffffULL; - r6 &= 0x00000000ffffffffULL; - r7 &= 0x00000000ffffffffULL; - r8 &= 0x00000000ffffffffULL; + r3 = regs->gpr[3] & 0x00000000ffffffffULL; + r4 = regs->gpr[4] & 0x00000000ffffffffULL; + r5 = regs->gpr[5] & 0x00000000ffffffffULL; + r6 = regs->gpr[6] & 0x00000000ffffffffULL; + r7 = regs->gpr[7] & 0x00000000ffffffffULL; + r8 = regs->gpr[8] & 0x00000000ffffffffULL; + ret = f(r3, r4, r5, r6, r7, r8); } else { f = (void *)sys_call_table[r0]; - } - ret = f(r3, r4, r5, r6, r7, r8); + ret = f(regs->gpr[3], regs->gpr[4], regs->gpr[5], + regs->gpr[6], regs->gpr[7], regs->gpr[8]); + } +#endif /* * Ultimately, this value will get limited by KSTACK_OFFSET_MAX(), diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index fc999140bc27e9..68ebb23a5af4bb 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -36,9 +36,9 @@ #include <asm/time.h> #include <asm/unistd.h> -static inline long do_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long off, int shift) +static long do_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long off, int shift) { if (!arch_validate_prot(prot, addr)) return -EINVAL; @@ -56,6 +56,16 @@ SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len, return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12); } +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE6(mmap2, + unsigned long, addr, size_t, len, + unsigned long, prot, unsigned long, flags, + unsigned long, fd, unsigned long, off_4k) +{ + return do_mmap2(addr, len, prot, flags, fd, off_4k, PAGE_SHIFT-12); +} +#endif + SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, off_t, offset) @@ -63,43 +73,39 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len, return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT); } -#ifdef CONFIG_PPC32 -/* - * Due to some executables calling the wrong select we sometimes - * get wrong args. This determines how the args are being passed - * (a single ptr to them all args passed) then calls - * sys_select() with the appropriate args. -- Cort - */ -int -ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct __kernel_old_timeval __user *tvp) -{ - if ((unsigned long)n >= 4096) - return sys_old_select((void __user *)n); - - return sys_select(n, inp, outp, exp, tvp); -} -#endif - #ifdef CONFIG_PPC64 -long ppc64_personality(unsigned long personality) +static long do_ppc64_personality(unsigned long personality) { long ret; if (personality(current->personality) == PER_LINUX32 && personality(personality) == PER_LINUX) personality = (personality & ~PER_MASK) | PER_LINUX32; - ret = sys_personality(personality); + ret = ksys_personality(personality); if (personality(ret) == PER_LINUX32) ret = (ret & ~PER_MASK) | PER_LINUX; return ret; } -#endif -long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, - u32 len_high, u32 len_low) +SYSCALL_DEFINE1(ppc64_personality, unsigned long, personality) +{ + return do_ppc64_personality(personality); +} + +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE1(ppc64_personality, unsigned long, personality) +{ + return do_ppc64_personality(personality); +} +#endif /* CONFIG_COMPAT */ +#endif /* CONFIG_PPC64 */ + +SYSCALL_DEFINE6(ppc_fadvise64_64, + int, fd, int, advice, u32, offset_high, u32, offset_low, + u32, len_high, u32, len_low) { - return ksys_fadvise64_64(fd, (u64)offset_high << 32 | offset_low, - (u64)len_high << 32 | len_low, advice); + return ksys_fadvise64_64(fd, merge_64(offset_high, offset_low), + merge_64(len_high, len_low), advice); } SYSCALL_DEFINE0(switch_endian) diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 2600b4237292c7..2bca64f96164af 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -110,7 +110,7 @@ 79 common settimeofday sys_settimeofday compat_sys_settimeofday 80 common getgroups sys_getgroups 81 common setgroups sys_setgroups -82 32 select ppc_select sys_ni_syscall +82 32 select sys_old_select compat_sys_old_select 82 64 select sys_ni_syscall 82 spu select sys_ni_syscall 83 common symlink sys_symlink @@ -178,9 +178,9 @@ 133 common fchdir sys_fchdir 134 common bdflush sys_ni_syscall 135 common sysfs sys_sysfs -136 32 personality sys_personality ppc64_personality -136 64 personality ppc64_personality -136 spu personality ppc64_personality +136 32 personality sys_personality compat_sys_ppc64_personality +136 64 personality sys_ppc64_personality +136 spu personality sys_ppc64_personality 137 common afs_syscall sys_ni_syscall 138 common setfsuid sys_setfsuid 139 common setfsgid sys_setfsgid @@ -228,8 +228,8 @@ 176 64 rt_sigtimedwait sys_rt_sigtimedwait 177 nospu rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo 178 nospu rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend -179 common pread64 sys_pread64 compat_sys_pread64 -180 common pwrite64 sys_pwrite64 compat_sys_pwrite64 +179 common pread64 sys_pread64 compat_sys_ppc_pread64 +180 common pwrite64 sys_pwrite64 compat_sys_ppc_pwrite64 181 common chown sys_chown 182 common getcwd sys_getcwd 183 common capget sys_capget @@ -242,10 +242,10 @@ 188 common putpmsg sys_ni_syscall 189 nospu vfork sys_vfork 190 common ugetrlimit sys_getrlimit compat_sys_getrlimit -191 common readahead sys_readahead compat_sys_readahead +191 common readahead sys_readahead compat_sys_ppc_readahead 192 32 mmap2 sys_mmap2 compat_sys_mmap2 -193 32 truncate64 sys_truncate64 compat_sys_truncate64 -194 32 ftruncate64 sys_ftruncate64 compat_sys_ftruncate64 +193 32 truncate64 sys_truncate64 compat_sys_ppc_truncate64 +194 32 ftruncate64 sys_ftruncate64 compat_sys_ppc_ftruncate64 195 32 stat64 sys_stat64 196 32 lstat64 sys_lstat64 197 32 fstat64 sys_fstat64 @@ -288,7 +288,7 @@ 230 common io_submit sys_io_submit compat_sys_io_submit 231 common io_cancel sys_io_cancel 232 nospu set_tid_address sys_set_tid_address -233 common fadvise64 sys_fadvise64 ppc32_fadvise64 +233 common fadvise64 sys_fadvise64 compat_sys_ppc32_fadvise64 234 nospu exit_group sys_exit_group 235 nospu lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie 236 common epoll_create sys_epoll_create @@ -323,7 +323,7 @@ 251 spu utimes sys_utimes 252 common statfs64 sys_statfs64 compat_sys_statfs64 253 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 -254 32 fadvise64_64 ppc_fadvise64_64 +254 32 fadvise64_64 sys_ppc_fadvise64_64 254 spu fadvise64_64 sys_ni_syscall 255 common rtas sys_rtas 256 32 sys_debug_setcontext sys_debug_setcontext sys_ni_syscall @@ -390,7 +390,7 @@ 305 common signalfd sys_signalfd compat_sys_signalfd 306 common timerfd_create sys_timerfd_create 307 common eventfd sys_eventfd -308 common sync_file_range2 sys_sync_file_range2 compat_sys_sync_file_range2 +308 common sync_file_range2 sys_sync_file_range2 compat_sys_ppc_sync_file_range2 309 nospu fallocate sys_fallocate compat_sys_fallocate 310 nospu subpage_prot sys_subpage_prot 311 32 timerfd_settime sys_timerfd_settime32 diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 3a10cda9c05ec7..ef9a6171894036 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -228,7 +228,7 @@ static void __init sysfs_create_dscr_default(void) } #endif /* CONFIG_PPC64 */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 #define MAX_BIT 63 static u64 pw20_wt; @@ -907,7 +907,7 @@ static int register_cpu_online(unsigned int cpu) device_create_file(s, &dev_attr_tscr); #endif /* CONFIG_PPC64 */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (PVR_VER(cur_cpu_spec->pvr_value) == PVR_VER_E6500) { device_create_file(s, &dev_attr_pw20_state); device_create_file(s, &dev_attr_pw20_wait_time); @@ -1003,7 +1003,7 @@ static int unregister_cpu_online(unsigned int cpu) device_remove_file(s, &dev_attr_tscr); #endif /* CONFIG_PPC64 */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (PVR_VER(cur_cpu_spec->pvr_value) == PVR_VER_E6500) { device_remove_file(s, &dev_attr_pw20_state); device_remove_file(s, &dev_attr_pw20_wait_time); diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.c index 6c1db3b6de2dc6..4305f2a2162fe7 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.c @@ -10,32 +10,37 @@ * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) */ -#include <asm/ppc_asm.h> +#include <linux/syscalls.h> +#include <linux/compat.h> +#include <asm/unistd.h> +#include <asm/syscalls.h> -.section .rodata,"a" +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, entry, compat) __SYSCALL(nr, entry) -#ifdef CONFIG_PPC64 - .p2align 3 -#define __SYSCALL(nr, entry) .8byte entry +#undef __SYSCALL +#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER +#define __SYSCALL(nr, entry) [nr] = entry, #else - .p2align 2 -#define __SYSCALL(nr, entry) .long entry +/* + * Coerce syscall handlers with arbitrary parameters to common type + * requires cast to void* to avoid -Wcast-function-type. + */ +#define __SYSCALL(nr, entry) [nr] = (void *) entry, #endif -#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) -.globl sys_call_table -sys_call_table: +const syscall_fn sys_call_table[] = { #ifdef CONFIG_PPC64 #include <asm/syscall_table_64.h> #else #include <asm/syscall_table_32.h> #endif +}; #ifdef CONFIG_COMPAT #undef __SYSCALL_WITH_COMPAT #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat) -.globl compat_sys_call_table -compat_sys_call_table: -#define compat_sys_sigsuspend sys_sigsuspend +const syscall_fn compat_sys_call_table[] = { #include <asm/syscall_table_32.h> -#endif +}; +#endif /* CONFIG_COMPAT */ diff --git a/arch/powerpc/kernel/systbl_chk.sh b/arch/powerpc/kernel/systbl_chk.sh deleted file mode 100644 index c7ac3ed657c482..00000000000000 --- a/arch/powerpc/kernel/systbl_chk.sh +++ /dev/null @@ -1,30 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0-or-later -# -# Just process the CPP output from systbl_chk.c and complain -# if anything is out of order. -# -# Copyright © 2008 IBM Corporation -# - -awk 'BEGIN { num = -1; } # Ignore the beginning of the file - /^#/ { next; } - /^[ \t]*$/ { next; } - /^START_TABLE/ { num = 0; next; } - /^END_TABLE/ { - if (num != $2) { - printf "Error: NR_syscalls (%s) is not one more than the last syscall (%s)\n", - $2, num - 1; - exit(1); - } - num = -1; # Ignore the rest of the file - } - { - if (num == -1) next; - if (($1 != -1) && ($1 != num)) { - printf "Error: Syscall %s out of order (expected %s)\n", - $1, num; - exit(1); - }; - num++; - }' "$1" diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 587adcc12860bd..a2ab397065c666 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -178,92 +178,6 @@ static inline unsigned long read_spurr(unsigned long tb) return tb; } -#ifdef CONFIG_PPC_SPLPAR - -#include <asm/dtl.h> - -void (*dtl_consumer)(struct dtl_entry *, u64); - -/* - * Scan the dispatch trace log and count up the stolen time. - * Should be called with interrupts disabled. - */ -static u64 scan_dispatch_log(u64 stop_tb) -{ - u64 i = local_paca->dtl_ridx; - struct dtl_entry *dtl = local_paca->dtl_curr; - struct dtl_entry *dtl_end = local_paca->dispatch_log_end; - struct lppaca *vpa = local_paca->lppaca_ptr; - u64 tb_delta; - u64 stolen = 0; - u64 dtb; - - if (!dtl) - return 0; - - if (i == be64_to_cpu(vpa->dtl_idx)) - return 0; - while (i < be64_to_cpu(vpa->dtl_idx)) { - dtb = be64_to_cpu(dtl->timebase); - tb_delta = be32_to_cpu(dtl->enqueue_to_dispatch_time) + - be32_to_cpu(dtl->ready_to_enqueue_time); - barrier(); - if (i + N_DISPATCH_LOG < be64_to_cpu(vpa->dtl_idx)) { - /* buffer has overflowed */ - i = be64_to_cpu(vpa->dtl_idx) - N_DISPATCH_LOG; - dtl = local_paca->dispatch_log + (i % N_DISPATCH_LOG); - continue; - } - if (dtb > stop_tb) - break; - if (dtl_consumer) - dtl_consumer(dtl, i); - stolen += tb_delta; - ++i; - ++dtl; - if (dtl == dtl_end) - dtl = local_paca->dispatch_log; - } - local_paca->dtl_ridx = i; - local_paca->dtl_curr = dtl; - return stolen; -} - -/* - * Accumulate stolen time by scanning the dispatch trace log. - * Called on entry from user mode. - */ -void notrace accumulate_stolen_time(void) -{ - u64 sst, ust; - struct cpu_accounting_data *acct = &local_paca->accounting; - - sst = scan_dispatch_log(acct->starttime_user); - ust = scan_dispatch_log(acct->starttime); - acct->stime -= sst; - acct->utime -= ust; - acct->steal_time += ust + sst; -} - -static inline u64 calculate_stolen_time(u64 stop_tb) -{ - if (!firmware_has_feature(FW_FEATURE_SPLPAR)) - return 0; - - if (get_paca()->dtl_ridx != be64_to_cpu(get_lppaca()->dtl_idx)) - return scan_dispatch_log(stop_tb); - - return 0; -} - -#else /* CONFIG_PPC_SPLPAR */ -static inline u64 calculate_stolen_time(u64 stop_tb) -{ - return 0; -} - -#endif /* CONFIG_PPC_SPLPAR */ - /* * Account time for a transition between system, hard irq * or soft irq state. @@ -322,7 +236,11 @@ static unsigned long vtime_delta(struct cpu_accounting_data *acct, *stime_scaled = vtime_delta_scaled(acct, now, stime); - *steal_time = calculate_stolen_time(now); + if (IS_ENABLED(CONFIG_PPC_SPLPAR) && + firmware_has_feature(FW_FEATURE_SPLPAR)) + *steal_time = pseries_calculate_stolen_time(now); + else + *steal_time = 0; return stime; } @@ -614,22 +532,23 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt) return; } - /* - * Ensure a positive value is written to the decrementer, or - * else some CPUs will continue to take decrementer exceptions. - * When the PPC_WATCHDOG (decrementer based) is configured, - * keep this at most 31 bits, which is about 4 seconds on most - * systems, which gives the watchdog a chance of catching timer - * interrupt hard lockups. - */ - if (IS_ENABLED(CONFIG_PPC_WATCHDOG)) - set_dec(0x7fffffff); - else - set_dec(decrementer_max); - /* Conditionally hard-enable interrupts. */ - if (should_hard_irq_enable()) + if (should_hard_irq_enable()) { + /* + * Ensure a positive value is written to the decrementer, or + * else some CPUs will continue to take decrementer exceptions. + * When the PPC_WATCHDOG (decrementer based) is configured, + * keep this at most 31 bits, which is about 4 seconds on most + * systems, which gives the watchdog a chance of catching timer + * interrupt hard lockups. + */ + if (IS_ENABLED(CONFIG_PPC_WATCHDOG)) + set_dec(0x7fffffff); + else + set_dec(decrementer_max); + do_hard_irq_enable(); + } #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) if (atomic_read(&ppc_n_lost_interrupts) != 0) diff --git a/arch/powerpc/kernel/trace/ftrace_low.S b/arch/powerpc/kernel/trace/ftrace_low.S index 0bddf1fa663619..294d1e05958aae 100644 --- a/arch/powerpc/kernel/trace/ftrace_low.S +++ b/arch/powerpc/kernel/trace/ftrace_low.S @@ -48,7 +48,7 @@ _GLOBAL(return_to_handler) * We might be called from a module. * Switch to our TOC to run inside the core kernel. */ - ld r2, PACATOC(r13) + LOAD_PACA_TOC() #else stwu r1, -16(r1) stw r3, 8(r1) diff --git a/arch/powerpc/kernel/trace/ftrace_mprofile.S b/arch/powerpc/kernel/trace/ftrace_mprofile.S index 4fa23e260cabe0..d031093bc43671 100644 --- a/arch/powerpc/kernel/trace/ftrace_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_mprofile.S @@ -83,10 +83,8 @@ #ifdef CONFIG_PPC64 /* Save callee's TOC in the ABI compliant location */ std r2, STK_GOT(r1) - ld r2,PACATOC(r13) /* get kernel TOC in r2 */ - - addis r3,r2,function_trace_op@toc@ha - addi r3,r3,function_trace_op@toc@l + LOAD_PACA_TOC() /* get kernel TOC in r2 */ + LOAD_REG_ADDR(r3, function_trace_op) ld r5,0(r3) #else lis r3,function_trace_op@ha diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index dadfcef5d6db4b..9bdd79aa51cfc1 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -68,6 +68,7 @@ #include <asm/stacktrace.h> #include <asm/nmi.h> #include <asm/disassemble.h> +#include <asm/udbg.h> #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE) int (*__debugger)(struct pt_regs *regs) __read_mostly; @@ -600,7 +601,7 @@ static inline int check_io_access(struct pt_regs *regs) #define inst_length(reason) (((reason) & REASON_PREFIXED) ? 8 : 4) -#if defined(CONFIG_E500) +#if defined(CONFIG_PPC_E500) int machine_check_e500mc(struct pt_regs *regs) { unsigned long mcsr = mfspr(SPRN_MCSR); @@ -850,6 +851,19 @@ bail: } #ifdef CONFIG_PPC_BOOK3S_64 +DEFINE_INTERRUPT_HANDLER_RAW(machine_check_early_boot) +{ + udbg_printf("Machine check (early boot)\n"); + udbg_printf("SRR0=0x%016lx SRR1=0x%016lx\n", regs->nip, regs->msr); + udbg_printf(" DAR=0x%016lx DSISR=0x%08lx\n", regs->dar, regs->dsisr); + udbg_printf(" LR=0x%016lx R1=0x%08lx\n", regs->link, regs->gpr[1]); + udbg_printf("------\n"); + die("Machine check (early boot)", regs, SIGBUS); + for (;;) + ; + return 0; +} + DEFINE_INTERRUPT_HANDLER_ASYNC(machine_check_exception_async) { __machine_check_exception(regs); @@ -2085,7 +2099,7 @@ DEFINE_INTERRUPT_HANDLER(altivec_assist_exception) } #endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx DEFINE_INTERRUPT_HANDLER(CacheLockingException) { unsigned long error_code = regs->dsisr; @@ -2098,12 +2112,11 @@ DEFINE_INTERRUPT_HANDLER(CacheLockingException) _exception(SIGILL, regs, ILL_PRVOPC, regs->nip); return; } -#endif /* CONFIG_FSL_BOOKE */ +#endif /* CONFIG_PPC_85xx */ #ifdef CONFIG_SPE DEFINE_INTERRUPT_HANDLER(SPEFloatingPointException) { - extern int do_spe_mathemu(struct pt_regs *regs); unsigned long spefscr; int fpexc_mode; int code = FPE_FLTUNK; @@ -2153,7 +2166,6 @@ DEFINE_INTERRUPT_HANDLER(SPEFloatingPointException) DEFINE_INTERRUPT_HANDLER(SPEFloatingPointRoundException) { - extern int speround_handler(struct pt_regs *regs); int err; interrupt_cond_local_irq_enable(regs); diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index b1544b2f6321b2..92b3fc258d1108 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -67,6 +67,8 @@ void __init udbg_early_init(void) udbg_init_debug_opal_raw(); #elif defined(CONFIG_PPC_EARLY_DEBUG_OPAL_HVSI) udbg_init_debug_opal_hvsi(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_16550) + udbg_init_debug_16550(); #endif #ifdef CONFIG_PPC_EARLY_DEBUG diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index d3942de254c68d..74ddf836f7a264 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -8,6 +8,7 @@ #include <asm/udbg.h> #include <asm/io.h> #include <asm/reg_a2.h> +#include <asm/early_ioremap.h> extern u8 real_readb(volatile u8 __iomem *addr); extern void real_writeb(u8 data, volatile u8 __iomem *addr); @@ -297,41 +298,34 @@ void __init udbg_init_40x_realmode(void) #endif /* CONFIG_PPC_EARLY_DEBUG_40x */ -#ifdef CONFIG_PPC_EARLY_DEBUG_MICROWATT +#ifdef CONFIG_PPC_EARLY_DEBUG_16550 -#define UDBG_UART_MW_ADDR ((void __iomem *)0xc0002000) +static void __iomem *udbg_uart_early_addr; -static u8 udbg_uart_in_isa300_rm(unsigned int reg) +void __init udbg_init_debug_16550(void) { - uint64_t msr = mfmsr(); - uint8_t c; - - mtmsr(msr & ~(MSR_EE|MSR_DR)); - isync(); - eieio(); - c = __raw_rm_readb(UDBG_UART_MW_ADDR + (reg << 2)); - mtmsr(msr); - isync(); - return c; + udbg_uart_early_addr = early_ioremap(CONFIG_PPC_EARLY_DEBUG_16550_PHYSADDR, 0x1000); + udbg_uart_init_mmio(udbg_uart_early_addr, CONFIG_PPC_EARLY_DEBUG_16550_STRIDE); } -static void udbg_uart_out_isa300_rm(unsigned int reg, u8 val) +static int __init udbg_init_debug_16550_ioremap(void) { - uint64_t msr = mfmsr(); - - mtmsr(msr & ~(MSR_EE|MSR_DR)); - isync(); - eieio(); - __raw_rm_writeb(val, UDBG_UART_MW_ADDR + (reg << 2)); - mtmsr(msr); - isync(); -} + void __iomem *addr; -void __init udbg_init_debug_microwatt(void) -{ - udbg_uart_in = udbg_uart_in_isa300_rm; - udbg_uart_out = udbg_uart_out_isa300_rm; - udbg_use_uart(); + if (!udbg_uart_early_addr) + return 0; + + addr = ioremap(CONFIG_PPC_EARLY_DEBUG_16550_PHYSADDR, 0x1000); + if (WARN_ON(!addr)) + return -ENOMEM; + + udbg_uart_init_mmio(addr, CONFIG_PPC_EARLY_DEBUG_16550_STRIDE); + early_iounmap(udbg_uart_early_addr, 0x1000); + udbg_uart_early_addr = NULL; + + return 0; } -#endif /* CONFIG_PPC_EARLY_DEBUG_MICROWATT */ +early_initcall(udbg_init_debug_16550_ioremap); + +#endif /* CONFIG_PPC_EARLY_DEBUG_16550 */ diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 0da287544054f5..e1f36fd61db377 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -39,6 +39,8 @@ extern char vdso32_start, vdso32_end; extern char vdso64_start, vdso64_end; +long sys_ni_syscall(void); + /* * The vdso data page (aka. systemcfg for old ppc64 fans) is here. * Once the early boot kernel code no longer needs to muck around @@ -200,28 +202,19 @@ static int __arch_setup_additional_pages(struct linux_binprm *bprm, int uses_int if (is_32bit_task()) { vdso_spec = &vdso32_spec; vdso_size = &vdso32_end - &vdso32_start; - vdso_base = VDSO32_MBASE; } else { vdso_spec = &vdso64_spec; vdso_size = &vdso64_end - &vdso64_start; - /* - * On 64bit we don't have a preferred map address. This - * allows get_unmapped_area to find an area near other mmaps - * and most likely share a SLB entry. - */ - vdso_base = 0; } mappings_size = vdso_size + vvar_size; mappings_size += (VDSO_ALIGNMENT - 1) & PAGE_MASK; /* - * pick a base address for the vDSO in process space. We try to put it - * at vdso_base which is the "natural" base for it, but we might fail - * and end up putting it elsewhere. + * Pick a base address for the vDSO in process space. * Add enough to the size so that the result can be aligned. */ - vdso_base = get_unmapped_area(NULL, vdso_base, mappings_size, 0, 0); + vdso_base = get_unmapped_area(NULL, 0, mappings_size, 0, 0); if (IS_ERR_VALUE(vdso_base)) return vdso_base; @@ -313,10 +306,10 @@ static void __init vdso_setup_syscall_map(void) unsigned int i; for (i = 0; i < NR_syscalls; i++) { - if (sys_call_table[i] != (unsigned long)&sys_ni_syscall) + if (sys_call_table[i] != (void *)&sys_ni_syscall) vdso_data->syscall_map[i >> 5] |= 0x80000000UL >> (i & 0x1f); if (IS_ENABLED(CONFIG_COMPAT) && - compat_sys_call_table[i] != (unsigned long)&sys_ni_syscall) + compat_sys_call_table[i] != (void *)&sys_ni_syscall) vdso_data->compat_syscall_map[i >> 5] |= 0x80000000UL >> (i & 0x1f); } } diff --git a/arch/powerpc/kernel/vdso/Makefile b/arch/powerpc/kernel/vdso/Makefile index 096b0bf1335ffc..a2e7b0ce5b1913 100644 --- a/arch/powerpc/kernel/vdso/Makefile +++ b/arch/powerpc/kernel/vdso/Makefile @@ -92,13 +92,13 @@ include/generated/vdso64-offsets.h: $(obj)/vdso64.so.dbg FORCE # actual build commands quiet_cmd_vdso32ld_and_check = VDSO32L $@ - cmd_vdso32ld_and_check = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) ; $(cmd_vdso_check) + cmd_vdso32ld_and_check = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) -z noexecstack ; $(cmd_vdso_check) quiet_cmd_vdso32as = VDSO32A $@ cmd_vdso32as = $(VDSOCC) $(a_flags) $(CC32FLAGS) $(AS32FLAGS) -c -o $@ $< quiet_cmd_vdso32cc = VDSO32C $@ cmd_vdso32cc = $(VDSOCC) $(c_flags) $(CC32FLAGS) -c -o $@ $< quiet_cmd_vdso64ld_and_check = VDSO64L $@ - cmd_vdso64ld_and_check = $(VDSOCC) $(c_flags) $(CC64FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) ; $(cmd_vdso_check) + cmd_vdso64ld_and_check = $(VDSOCC) $(c_flags) $(CC64FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) -z noexecstack ; $(cmd_vdso_check) quiet_cmd_vdso64as = VDSO64A $@ cmd_vdso64as = $(VDSOCC) $(a_flags) $(CC64FLAGS) $(AS64FLAGS) -c -o $@ $< diff --git a/arch/powerpc/kernel/vdso/vdso32.lds.S b/arch/powerpc/kernel/vdso/vdso32.lds.S index e0d19d74455fd8..bc0be274a9ac24 100644 --- a/arch/powerpc/kernel/vdso/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso/vdso32.lds.S @@ -78,7 +78,6 @@ SECTIONS __end = .; PROVIDE(end = .); - STABS_DEBUG DWARF_DEBUG ELF_DETAILS diff --git a/arch/powerpc/kernel/vdso/vdso64.lds.S b/arch/powerpc/kernel/vdso/vdso64.lds.S index 1a4a7bc4c8157f..744ae5363e6c85 100644 --- a/arch/powerpc/kernel/vdso/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso/vdso64.lds.S @@ -76,7 +76,6 @@ SECTIONS _end = .; PROVIDE(end = .); - STABS_DEBUG DWARF_DEBUG ELF_DETAILS diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S index 5cc24d8cce94e2..5cf64740edb82d 100644 --- a/arch/powerpc/kernel/vector.S +++ b/arch/powerpc/kernel/vector.S @@ -155,8 +155,8 @@ _GLOBAL(load_up_vsx) * usage of floating-point registers. These routines must be called * with preempt disabled. */ -#ifdef CONFIG_PPC32 .data +#ifdef CONFIG_PPC32 fpzero: .long 0 fpone: @@ -169,18 +169,17 @@ fphalf: lfs fr,name@l(r11) #else - .section ".toc","aw" fpzero: - .tc FD_0_0[TC],0 + .quad 0 fpone: - .tc FD_3ff00000_0[TC],0x3ff0000000000000 /* 1.0 */ + .quad 0x3ff0000000000000 /* 1.0 */ fphalf: - .tc FD_3fe00000_0[TC],0x3fe0000000000000 /* 0.5 */ + .quad 0x3fe0000000000000 /* 0.5 */ -#define LDCONST(fr, name) \ - lfd fr,name@toc(r2) +#define LDCONST(fr, name) \ + addis r11,r2,name@toc@ha; \ + lfd fr,name@toc@l(r11) #endif - .text /* * Internal routine to enable floating point and set FPSCR to 0. diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index fe22d940412fda..7786e3ac7611cf 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -32,6 +32,10 @@ #define STRICT_ALIGN_SIZE (1 << CONFIG_DATA_SHIFT) +#if STRICT_ALIGN_SIZE < PAGE_SIZE +#error "CONFIG_DATA_SHIFT must be >= PAGE_SHIFT" +#endif + ENTRY(_stext) PHDRS { @@ -67,7 +71,7 @@ SECTIONS .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) { #ifdef CONFIG_PPC64 KEEP(*(.head.text.first_256B)); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 #else KEEP(*(.head.text.real_vectors)); *(.head.text.real_trampolines); @@ -122,14 +126,6 @@ SECTIONS *(.sfpr); MEM_KEEP(init.text) MEM_KEEP(exit.text) - -#ifdef CONFIG_PPC32 - *(.got1) - __got2_start = .; - *(.got2) - __got2_end = .; -#endif /* CONFIG_PPC32 */ - } :text . = ALIGN(PAGE_SIZE); @@ -139,15 +135,57 @@ SECTIONS /* Read-only data */ RO_DATA(PAGE_SIZE) -#ifdef CONFIG_PPC64 +#ifdef CONFIG_PPC32 + .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { + *(.sdata2) + } +#endif + + .data.rel.ro : AT(ADDR(.data.rel.ro) - LOAD_OFFSET) { + *(.data.rel.ro*) + } + + .branch_lt : AT(ADDR(.branch_lt) - LOAD_OFFSET) { + *(.branch_lt) + } + +#ifdef CONFIG_PPC32 + .got1 : AT(ADDR(.got1) - LOAD_OFFSET) { + *(.got1) + } + .got2 : AT(ADDR(.got2) - LOAD_OFFSET) { + __got2_start = .; + *(.got2) + __got2_end = .; + } + .got : AT(ADDR(.got) - LOAD_OFFSET) { + *(.got) + *(.got.plt) + } + .plt : AT(ADDR(.plt) - LOAD_OFFSET) { + /* XXX: is .plt (and .got.plt) required? */ + *(.plt) + } + +#else /* CONFIG_PPC32 */ + .toc1 : AT(ADDR(.toc1) - LOAD_OFFSET) { + *(.toc1) + } + + .got : AT(ADDR(.got) - LOAD_OFFSET) ALIGN(256) { + *(.got .toc) + } + SOFT_MASK_TABLE(8) RESTART_TABLE(8) +#ifdef CONFIG_PPC64_ELF_ABI_V1 .opd : AT(ADDR(.opd) - LOAD_OFFSET) { __start_opd = .; KEEP(*(.opd)) __end_opd = .; } +#endif . = ALIGN(8); __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) { @@ -190,7 +228,7 @@ SECTIONS *(__rfi_flush_fixup) __stop___rfi_flush_fixup = .; } -#endif /* CONFIG_PPC64 */ +#endif /* CONFIG_PPC32 */ #ifdef CONFIG_PPC_BARRIER_NOSPEC . = ALIGN(8); @@ -201,7 +239,7 @@ SECTIONS } #endif /* CONFIG_PPC_BARRIER_NOSPEC */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 . = ALIGN(8); __spec_btb_flush_fixup : AT(ADDR(__spec_btb_flush_fixup) - LOAD_OFFSET) { __start__btb_flush_fixup = .; @@ -210,12 +248,17 @@ SECTIONS } #endif + /* + * Various code relies on __init_begin being at the strict RWX boundary. + */ + . = ALIGN(STRICT_ALIGN_SIZE); + __srwx_boundary = .; + __end_rodata = .; + __init_begin = .; + /* * Init sections discarded at runtime */ - . = ALIGN(STRICT_ALIGN_SIZE); - __init_begin = .; - . = ALIGN(PAGE_SIZE); .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { _sinittext = .; INIT_TEXT @@ -317,34 +360,13 @@ SECTIONS . = ALIGN(PAGE_SIZE); _sdata = .; -#ifdef CONFIG_PPC32 .data : AT(ADDR(.data) - LOAD_OFFSET) { DATA_DATA *(.data.rel*) +#ifdef CONFIG_PPC32 *(SDATA_MAIN) - *(.sdata2) - *(.got.plt) *(.got) - *(.plt) - *(.branch_lt) - } -#else - .data : AT(ADDR(.data) - LOAD_OFFSET) { - DATA_DATA - *(.data.rel*) - *(.toc1) - *(.branch_lt) - } - - .got : AT(ADDR(.got) - LOAD_OFFSET) ALIGN(256) { - *(.got) -#ifndef CONFIG_RELOCATABLE - __prom_init_toc_start = .; - arch/powerpc/kernel/prom_init.o*(.toc) - __prom_init_toc_end = .; #endif - *(.toc) } -#endif /* The initial task and kernel stack */ INIT_TASK_DATA_SECTION(THREAD_ALIGN) @@ -382,7 +404,6 @@ SECTIONS _end = . ; PROVIDE32 (end = .); - STABS_DEBUG DWARF_DEBUG ELF_DETAILS diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c index cf84bfe9e27e57..de64c796299121 100644 --- a/arch/powerpc/kexec/core.c +++ b/arch/powerpc/kexec/core.c @@ -136,7 +136,7 @@ void __init reserve_crashkernel(void) #ifdef CONFIG_PPC64 /* * On the LPAR platform place the crash kernel to mid of - * RMA size (512MB or more) to ensure the crash kernel + * RMA size (max. of 512MB) to ensure the crash kernel * gets enough space to place itself and some stack to be * in the first segment. At the same time normal kernel * also get enough space to allocate memory for essential @@ -144,9 +144,9 @@ void __init reserve_crashkernel(void) * kernel starts at 128MB offset on other platforms. */ if (firmware_has_feature(FW_FEATURE_LPAR)) - crashk_res.start = ppc64_rma_size / 2; + crashk_res.start = min_t(u64, ppc64_rma_size / 2, SZ_512M); else - crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2)); + crashk_res.start = min_t(u64, ppc64_rma_size / 2, SZ_128M); #else crashk_res.start = KDUMP_KERNELBASE; #endif diff --git a/arch/powerpc/kexec/core_32.c b/arch/powerpc/kexec/core_32.c index b50aed48d09db6..c95f96850c9e13 100644 --- a/arch/powerpc/kexec/core_32.c +++ b/arch/powerpc/kexec/core_32.c @@ -55,7 +55,7 @@ void default_machine_kexec(struct kimage *image) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); - if (!IS_ENABLED(CONFIG_FSL_BOOKE) && !IS_ENABLED(CONFIG_44x)) + if (!IS_ENABLED(CONFIG_PPC_85xx) && !IS_ENABLED(CONFIG_44x)) relocate_new_kernel(page_list, reboot_code_buffer_phys, image->start); /* now call it */ diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c index c2bea9db1c1e14..a79e28c91e2be3 100644 --- a/arch/powerpc/kexec/core_64.c +++ b/arch/powerpc/kexec/core_64.c @@ -360,7 +360,7 @@ void default_machine_kexec(struct kimage *image) * the RMA. On BookE there is no real MMU off mode, so we have to * keep it enabled as well (but then we have bolted TLB entries). */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 copy_with_mmu_off = false; #else copy_with_mmu_off = radix_enabled() || diff --git a/arch/powerpc/kexec/relocate_32.S b/arch/powerpc/kexec/relocate_32.S index cf6e52bdf8d833..d9f0dd9b34ffbf 100644 --- a/arch/powerpc/kexec/relocate_32.S +++ b/arch/powerpc/kexec/relocate_32.S @@ -25,14 +25,14 @@ relocate_new_kernel: /* r4 = reboot_code_buffer */ /* r5 = start_address */ -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx mr r29, r3 mr r30, r4 mr r31, r5 #define ENTRY_MAPPING_KEXEC_SETUP -#include <kernel/fsl_booke_entry_mapping.S> +#include <kernel/85xx_entry_mapping.S> #undef ENTRY_MAPPING_KEXEC_SETUP mr r3, r29 diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index dcb398d5e0093f..61cdd782d3c5ec 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -189,7 +189,7 @@ config KVM_EXIT_TIMING config KVM_E500V2 bool "KVM support for PowerPC E500v2 processors" - depends on E500 && !PPC_E500MC + depends on PPC_E500 && !PPC_E500MC select KVM select KVM_MMIO select MMU_NOTIFIER @@ -220,7 +220,7 @@ config KVM_E500MC config KVM_MPIC bool "KVM in-kernel MPIC emulation" - depends on KVM && E500 + depends on KVM && PPC_E500 select HAVE_KVM_IRQCHIP select HAVE_KVM_IRQFD select HAVE_KVM_IRQ_ROUTING diff --git a/arch/powerpc/kvm/book3s_64_entry.S b/arch/powerpc/kvm/book3s_64_entry.S index e43704547a1eee..6c2b1d17cb636a 100644 --- a/arch/powerpc/kvm/book3s_64_entry.S +++ b/arch/powerpc/kvm/book3s_64_entry.S @@ -315,7 +315,7 @@ kvmppc_p9_exit_interrupt: reg = reg + 1 .endr - ld r2,PACATOC(r13) + LOAD_PACA_TOC() mflr r4 std r4,VCPU_LR(r3) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 57d0835e56fdb9..6ba68dd6190bd3 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -249,6 +249,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) /* * We use the vcpu_load/put functions to measure stolen time. + * * Stolen time is counted as time when either the vcpu is able to * run as part of a virtual core, but the task running the vcore * is preempted or sleeping, or when the vcpu needs something done @@ -278,6 +279,12 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) * lock. The stolen times are measured in units of timebase ticks. * (Note that the != TB_NIL checks below are purely defensive; * they should never fail.) + * + * The POWER9 path is simpler, one vcpu per virtual core so the + * former case does not exist. If a vcpu is preempted when it is + * BUSY_IN_HOST and not ceded or otherwise blocked, then accumulate + * the stolen cycles in busy_stolen. RUNNING is not a preemptible + * state in the P9 path. */ static void kvmppc_core_start_stolen(struct kvmppc_vcore *vc, u64 tb) @@ -311,8 +318,14 @@ static void kvmppc_core_vcpu_load_hv(struct kvm_vcpu *vcpu, int cpu) unsigned long flags; u64 now; - if (cpu_has_feature(CPU_FTR_ARCH_300)) + if (cpu_has_feature(CPU_FTR_ARCH_300)) { + if (vcpu->arch.busy_preempt != TB_NIL) { + WARN_ON_ONCE(vcpu->arch.state != KVMPPC_VCPU_BUSY_IN_HOST); + vc->stolen_tb += mftb() - vcpu->arch.busy_preempt; + vcpu->arch.busy_preempt = TB_NIL; + } return; + } now = mftb(); @@ -340,8 +353,21 @@ static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu) unsigned long flags; u64 now; - if (cpu_has_feature(CPU_FTR_ARCH_300)) + if (cpu_has_feature(CPU_FTR_ARCH_300)) { + /* + * In the P9 path, RUNNABLE is not preemptible + * (nor takes host interrupts) + */ + WARN_ON_ONCE(vcpu->arch.state == KVMPPC_VCPU_RUNNABLE); + /* + * Account stolen time when preempted while the vcpu task is + * running in the kernel (but not in qemu, which is INACTIVE). + */ + if (task_is_running(current) && + vcpu->arch.state == KVMPPC_VCPU_BUSY_IN_HOST) + vcpu->arch.busy_preempt = mftb(); return; + } now = mftb(); @@ -707,16 +733,15 @@ static u64 vcore_stolen_time(struct kvmppc_vcore *vc, u64 now) } static void __kvmppc_create_dtl_entry(struct kvm_vcpu *vcpu, + struct lppaca *vpa, unsigned int pcpu, u64 now, unsigned long stolen) { struct dtl_entry *dt; - struct lppaca *vpa; dt = vcpu->arch.dtl_ptr; - vpa = vcpu->arch.vpa.pinned_addr; - if (!dt || !vpa) + if (!dt) return; dt->dispatch_reason = 7; @@ -737,17 +762,23 @@ static void __kvmppc_create_dtl_entry(struct kvm_vcpu *vcpu, /* order writing *dt vs. writing vpa->dtl_idx */ smp_wmb(); vpa->dtl_idx = cpu_to_be64(++vcpu->arch.dtl_index); - vcpu->arch.dtl.dirty = true; + + /* vcpu->arch.dtl.dirty is set by the caller */ } -static void kvmppc_create_dtl_entry(struct kvm_vcpu *vcpu, - struct kvmppc_vcore *vc) +static void kvmppc_update_vpa_dispatch(struct kvm_vcpu *vcpu, + struct kvmppc_vcore *vc) { + struct lppaca *vpa; unsigned long stolen; unsigned long core_stolen; u64 now; unsigned long flags; + vpa = vcpu->arch.vpa.pinned_addr; + if (!vpa) + return; + now = mftb(); core_stolen = vcore_stolen_time(vc, now); @@ -758,7 +789,34 @@ static void kvmppc_create_dtl_entry(struct kvm_vcpu *vcpu, vcpu->arch.busy_stolen = 0; spin_unlock_irqrestore(&vcpu->arch.tbacct_lock, flags); - __kvmppc_create_dtl_entry(vcpu, vc->pcpu, now + vc->tb_offset, stolen); + vpa->enqueue_dispatch_tb = cpu_to_be64(be64_to_cpu(vpa->enqueue_dispatch_tb) + stolen); + + __kvmppc_create_dtl_entry(vcpu, vpa, vc->pcpu, now + vc->tb_offset, stolen); + + vcpu->arch.vpa.dirty = true; +} + +static void kvmppc_update_vpa_dispatch_p9(struct kvm_vcpu *vcpu, + struct kvmppc_vcore *vc, + u64 now) +{ + struct lppaca *vpa; + unsigned long stolen; + unsigned long stolen_delta; + + vpa = vcpu->arch.vpa.pinned_addr; + if (!vpa) + return; + + stolen = vc->stolen_tb; + stolen_delta = stolen - vcpu->arch.stolen_logged; + vcpu->arch.stolen_logged = stolen; + + vpa->enqueue_dispatch_tb = cpu_to_be64(stolen); + + __kvmppc_create_dtl_entry(vcpu, vpa, vc->pcpu, now, stolen_delta); + + vcpu->arch.vpa.dirty = true; } /* See if there is a doorbell interrupt pending for a vcpu */ @@ -2517,10 +2575,24 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, r = set_vpa(vcpu, &vcpu->arch.dtl, addr, len); break; case KVM_REG_PPC_TB_OFFSET: + { /* round up to multiple of 2^24 */ - vcpu->arch.vcore->tb_offset = - ALIGN(set_reg_val(id, *val), 1UL << 24); + u64 tb_offset = ALIGN(set_reg_val(id, *val), 1UL << 24); + + /* + * Now that we know the timebase offset, update the + * decrementer expiry with a guest timebase value. If + * the userspace does not set DEC_EXPIRY, this ensures + * a migrated vcpu at least starts with an expired + * decrementer, which is better than a large one that + * causes a hang. + */ + if (!vcpu->arch.dec_expires && tb_offset) + vcpu->arch.dec_expires = get_tb() + tb_offset; + + vcpu->arch.vcore->tb_offset = tb_offset; break; + } case KVM_REG_PPC_LPCR: kvmppc_set_lpcr(vcpu, set_reg_val(id, *val), true); break; @@ -3800,7 +3872,7 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) * kvmppc_core_prepare_to_enter. */ kvmppc_start_thread(vcpu, pvc); - kvmppc_create_dtl_entry(vcpu, pvc); + kvmppc_update_vpa_dispatch(vcpu, pvc); trace_kvm_guest_enter(vcpu); if (!vcpu->arch.ptid) thr0_done = true; @@ -3840,23 +3912,17 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) for (sub = 0; sub < core_info.n_subcores; ++sub) spin_unlock(&core_info.vc[sub]->lock); - guest_enter_irqoff(); + guest_timing_enter_irqoff(); srcu_idx = srcu_read_lock(&vc->kvm->srcu); + guest_state_enter_irqoff(); this_cpu_disable_ftrace(); - /* - * Interrupts will be enabled once we get into the guest, - * so tell lockdep that we're about to enable interrupts. - */ - trace_hardirqs_on(); - trap = __kvmppc_vcore_entry(); - trace_hardirqs_off(); - this_cpu_enable_ftrace(); + guest_state_exit_irqoff(); srcu_read_unlock(&vc->kvm->srcu, srcu_idx); @@ -3891,11 +3957,10 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) kvmppc_set_host_core(pcpu); - context_tracking_guest_exit(); if (!vtime_accounting_enabled_this_cpu()) { local_irq_enable(); /* - * Service IRQs here before vtime_account_guest_exit() so any + * Service IRQs here before guest_timing_exit_irqoff() so any * ticks that occurred while running the guest are accounted to * the guest. If vtime accounting is enabled, accounting uses * TB rather than ticks, so it can be done without enabling @@ -3904,7 +3969,7 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) */ local_irq_disable(); } - vtime_account_guest_exit(); + guest_timing_exit_irqoff(); local_irq_enable(); @@ -4404,7 +4469,7 @@ static int kvmppc_run_vcpu(struct kvm_vcpu *vcpu) if ((vc->vcore_state == VCORE_PIGGYBACK || vc->vcore_state == VCORE_RUNNING) && !VCORE_IS_EXITING(vc)) { - kvmppc_create_dtl_entry(vcpu, vc); + kvmppc_update_vpa_dispatch(vcpu, vc); kvmppc_start_thread(vcpu, vc); trace_kvm_guest_enter(vcpu); } else if (vc->vcore_state == VCORE_SLEEPING) { @@ -4520,7 +4585,6 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, vc = vcpu->arch.vcore; vcpu->arch.ceded = 0; vcpu->arch.run_task = current; - vcpu->arch.state = KVMPPC_VCPU_RUNNABLE; vcpu->arch.last_inst = KVM_INST_FETCH_FAILED; /* See if the MMU is ready to go */ @@ -4547,6 +4611,8 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, /* flags save not required, but irq_pmu has no disable/enable API */ powerpc_local_irq_pmu_save(flags); + vcpu->arch.state = KVMPPC_VCPU_RUNNABLE; + if (signal_pending(current)) goto sigpend; if (need_resched() || !kvm->arch.mmu_ready) @@ -4591,47 +4657,44 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, tb = mftb(); - __kvmppc_create_dtl_entry(vcpu, pcpu, tb + vc->tb_offset, 0); + kvmppc_update_vpa_dispatch_p9(vcpu, vc, tb + vc->tb_offset); trace_kvm_guest_enter(vcpu); - guest_enter_irqoff(); + guest_timing_enter_irqoff(); srcu_idx = srcu_read_lock(&kvm->srcu); + guest_state_enter_irqoff(); this_cpu_disable_ftrace(); - /* Tell lockdep that we're about to enable interrupts */ - trace_hardirqs_on(); - trap = kvmhv_p9_guest_entry(vcpu, time_limit, lpcr, &tb); vcpu->arch.trap = trap; - trace_hardirqs_off(); - this_cpu_enable_ftrace(); + guest_state_exit_irqoff(); srcu_read_unlock(&kvm->srcu, srcu_idx); set_irq_happened(trap); - context_tracking_guest_exit(); + vcpu->cpu = -1; + vcpu->arch.thread_cpu = -1; + vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST; + if (!vtime_accounting_enabled_this_cpu()) { - local_irq_enable(); + powerpc_local_irq_pmu_restore(flags); /* - * Service IRQs here before vtime_account_guest_exit() so any + * Service IRQs here before guest_timing_exit_irqoff() so any * ticks that occurred while running the guest are accounted to * the guest. If vtime accounting is enabled, accounting uses * TB rather than ticks, so it can be done without enabling * interrupts here, which has the problem that it accounts * interrupt processing overhead to the host. */ - local_irq_disable(); + powerpc_local_irq_pmu_save(flags); } - vtime_account_guest_exit(); - - vcpu->cpu = -1; - vcpu->arch.thread_cpu = -1; + guest_timing_exit_irqoff(); powerpc_local_irq_pmu_restore(flags); @@ -4694,6 +4757,7 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit, out: vcpu->cpu = -1; vcpu->arch.thread_cpu = -1; + vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST; powerpc_local_irq_pmu_restore(flags); preempt_enable(); goto done; diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 7ded202bf99599..37f50861dd98fe 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1024,7 +1024,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) /* Restore R1/R2 so we can handle faults */ ld r1, HSTATE_HOST_R1(r13) - ld r2, PACATOC(r13) + LOAD_PACA_TOC() mfspr r10, SPRN_SRR0 mfspr r11, SPRN_SRR1 @@ -2727,8 +2727,8 @@ kvmppc_bad_host_intr: std r4, _CTR(r1) std r5, _XER(r1) std r6, SOFTE(r1) - ld r2, PACATOC(r13) - LOAD_REG_IMMEDIATE(3, 0x7265677368657265) + LOAD_PACA_TOC() + LOAD_REG_IMMEDIATE(3, STACK_FRAME_REGS_MARKER) std r3, STACK_FRAME_OVERHEAD-16(r1) /* diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 6fa82efe833bc4..205545d820a115 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -223,7 +223,7 @@ _GLOBAL(kvmppc_resume_host) lwz r3, VCPU_HOST_PID(r4) mtspr SPRN_PID, r3 -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx /* we cheat and know that Linux doesn't use PID1 which is always 0 */ lis r3, 0 mtspr SPRN_PID1, r3 @@ -406,7 +406,7 @@ lightweight_exit: lwz r3, VCPU_SHADOW_PID(r4) mtspr SPRN_PID, r3 -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx lwz r3, VCPU_SHADOW_PID1(r4) mtspr SPRN_PID1, r3 #endif diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h index c3ef751465fb30..6d0d329cbb35c2 100644 --- a/arch/powerpc/kvm/e500.h +++ b/arch/powerpc/kvm/e500.h @@ -17,7 +17,7 @@ #define KVM_E500_H #include <linux/kvm_host.h> -#include <asm/nohash/mmu-book3e.h> +#include <asm/nohash/mmu-e500.h> #include <asm/tlb.h> #include <asm/cputhreads.h> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index ec9c1e3c2ff4d3..b850b0efa201a3 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -785,7 +785,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup; - vcpu->arch.dec_expires = get_tb(); #ifdef CONFIG_KVM_EXIT_TIMING mutex_init(&vcpu->arch.exit_timing_lock); diff --git a/arch/powerpc/kvm/tm.S b/arch/powerpc/kvm/tm.S index 3bf17c854be447..2158f61e317fc0 100644 --- a/arch/powerpc/kvm/tm.S +++ b/arch/powerpc/kvm/tm.S @@ -110,7 +110,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_P9_TM_HV_ASSIST) mtmsrd r2, 1 /* Reload TOC pointer. */ - ld r2, PACATOC(r13) + LOAD_PACA_TOC() /* Save all but r0-r2, r9 & r13 */ reg = 3 diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index 6edf0697a526b2..ad0cf3108dd09c 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -94,17 +94,20 @@ void __init poking_init(void) static_branch_enable(&poking_init_done); } +static unsigned long get_patch_pfn(void *addr) +{ + if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr)) + return vmalloc_to_pfn(addr); + else + return __pa_symbol(addr) >> PAGE_SHIFT; +} + /* * This can be called for kernel text or a module. */ static int map_patch_area(void *addr, unsigned long text_poke_addr) { - unsigned long pfn; - - if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr)) - pfn = vmalloc_to_pfn(addr); - else - pfn = __pa_symbol(addr) >> PAGE_SHIFT; + unsigned long pfn = get_patch_pfn(addr); return map_kernel_page(text_poke_addr, (pfn << PAGE_SHIFT), PAGE_KERNEL); } @@ -149,17 +152,22 @@ static int __do_patch_instruction(u32 *addr, ppc_inst_t instr) int err; u32 *patch_addr; unsigned long text_poke_addr; + pte_t *pte; + unsigned long pfn = get_patch_pfn(addr); - text_poke_addr = (unsigned long)__this_cpu_read(text_poke_area)->addr; + text_poke_addr = (unsigned long)__this_cpu_read(text_poke_area)->addr & PAGE_MASK; patch_addr = (u32 *)(text_poke_addr + offset_in_page(addr)); - err = map_patch_area(addr, text_poke_addr); - if (err) - return err; + pte = virt_to_kpte(text_poke_addr); + __set_pte_at(&init_mm, text_poke_addr, pte, pfn_pte(pfn, PAGE_KERNEL), 0); + /* See ptesync comment in radix__set_pte_at() */ + if (radix_enabled()) + asm volatile("ptesync": : :"memory"); err = __patch_instruction(addr, instr, patch_addr); - unmap_patch_area(text_poke_addr); + pte_clear(&init_mm, text_poke_addr, pte); + flush_tlb_kernel_range(text_poke_addr, text_poke_addr + PAGE_SIZE); return err; } diff --git a/arch/powerpc/lib/copypage_64.S b/arch/powerpc/lib/copypage_64.S index d1091b5ee5da9a..6812cb19d04aff 100644 --- a/arch/powerpc/lib/copypage_64.S +++ b/arch/powerpc/lib/copypage_64.S @@ -9,11 +9,6 @@ #include <asm/export.h> #include <asm/feature-fixups.h> - .section ".toc","aw" -PPC64_CACHES: - .tc ppc64_caches[TC],ppc64_caches - .section ".text" - _GLOBAL_TOC(copy_page) BEGIN_FTR_SECTION lis r5,PAGE_SIZE@h @@ -24,7 +19,7 @@ FTR_SECTION_ELSE ALT_FTR_SECTION_END_IFCLR(CPU_FTR_VMX_COPY) ori r5,r5,PAGE_SIZE@l BEGIN_FTR_SECTION - ld r10,PPC64_CACHES@toc(r2) + LOAD_REG_ADDR(r10, ppc64_caches) lwz r11,DCACHEL1LOGBLOCKSIZE(r10) /* log2 of cache block size */ lwz r12,DCACHEL1BLOCKSIZE(r10) /* get cache block size */ li r9,0 diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 993d3f31832af6..31f40f544de547 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -550,7 +550,7 @@ void do_barrier_nospec_fixups(bool enable) } #endif /* CONFIG_PPC_BARRIER_NOSPEC */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 void do_barrier_nospec_fixups_range(bool enable, void *fixup_start, void *fixup_end) { unsigned int instr[2], *dest; @@ -602,7 +602,7 @@ void __init do_btb_flush_fixups(void) for (; start < end; start += 2) patch_btb_flush_section(start); } -#endif /* CONFIG_PPC_FSL_BOOK3E */ +#endif /* CONFIG_PPC_E500 */ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end) { diff --git a/arch/powerpc/lib/string_64.S b/arch/powerpc/lib/string_64.S index 169872bc08928a..df41ce06f86bd3 100644 --- a/arch/powerpc/lib/string_64.S +++ b/arch/powerpc/lib/string_64.S @@ -11,11 +11,6 @@ #include <asm/asm-offsets.h> #include <asm/export.h> - .section ".toc","aw" -PPC64_CACHES: - .tc ppc64_caches[TC],ppc64_caches - .section ".text" - /** * __arch_clear_user: - Zero a block of memory in user space, with less checking. * @to: Destination address, in user space. @@ -133,7 +128,7 @@ err1; stb r0,0(r3) blr .Llong_clear: - ld r5,PPC64_CACHES@toc(r2) + LOAD_REG_ADDR(r5, ppc64_caches) bf cr7*4+0,11f err2; std r0,0(r3) diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile index a8794032f15ff3..603e59c3db1092 100644 --- a/arch/powerpc/math-emu/Makefile +++ b/arch/powerpc/math-emu/Makefile @@ -17,4 +17,9 @@ obj-$(CONFIG_SPE) += math_efp.o CFLAGS_fabs.o = -fno-builtin-fabs CFLAGS_math.o = -fno-builtin-fabs -ccflags-y = -w +ccflags-remove-y = -Wmissing-prototypes -Wmissing-declarations -Wunused-but-set-variable + +ifdef KBUILD_EXTRA_WARN +CFLAGS_math.o += -Wmissing-prototypes -Wmissing-declarations -Wunused-but-set-variable +CFLAGS_math_efp.o += -Wmissing-prototypes -Wmissing-declarations -Wunused-but-set-variable +endif diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c index 36761bd00f385d..936a9a149037c5 100644 --- a/arch/powerpc/math-emu/math.c +++ b/arch/powerpc/math-emu/math.c @@ -24,9 +24,9 @@ FLOATFUNC(mtfsf); FLOATFUNC(mtfsfi); #ifdef CONFIG_MATH_EMULATION_HW_UNIMPLEMENTED -#undef FLOATFUNC(x) +#undef FLOATFUNC #define FLOATFUNC(x) static inline int x(void *op1, void *op2, void *op3, \ - void *op4) { } + void *op4) { return 0; } #endif FLOATFUNC(fadd); @@ -396,28 +396,28 @@ do_mathemu(struct pt_regs *regs) case XCR: op0 = (void *)®s->ccr; - op1 = (void *)((insn >> 23) & 0x7); + op1 = (void *)(long)((insn >> 23) & 0x7); op2 = (void *)¤t->thread.TS_FPR((insn >> 16) & 0x1f); op3 = (void *)¤t->thread.TS_FPR((insn >> 11) & 0x1f); break; case XCRL: op0 = (void *)®s->ccr; - op1 = (void *)((insn >> 23) & 0x7); - op2 = (void *)((insn >> 18) & 0x7); + op1 = (void *)(long)((insn >> 23) & 0x7); + op2 = (void *)(long)((insn >> 18) & 0x7); break; case XCRB: - op0 = (void *)((insn >> 21) & 0x1f); + op0 = (void *)(long)((insn >> 21) & 0x1f); break; case XCRI: - op0 = (void *)((insn >> 23) & 0x7); - op1 = (void *)((insn >> 12) & 0xf); + op0 = (void *)(long)((insn >> 23) & 0x7); + op1 = (void *)(long)((insn >> 12) & 0xf); break; case XFLB: - op0 = (void *)((insn >> 17) & 0xff); + op0 = (void *)(long)((insn >> 17) & 0xff); op1 = (void *)¤t->thread.TS_FPR((insn >> 11) & 0x1f); break; diff --git a/arch/powerpc/math-emu/math_efp.c b/arch/powerpc/math-emu/math_efp.c index 39b84e7452e1b4..34f62aafe706e1 100644 --- a/arch/powerpc/math-emu/math_efp.c +++ b/arch/powerpc/math-emu/math_efp.c @@ -17,6 +17,7 @@ #include <linux/types.h> #include <linux/prctl.h> +#include <linux/module.h> #include <linux/uaccess.h> #include <asm/reg.h> @@ -218,6 +219,7 @@ int do_spe_mathemu(struct pt_regs *regs) case AB: case XCR: FP_UNPACK_SP(SA, va.wp + 1); + fallthrough; case XB: FP_UNPACK_SP(SB, vb.wp + 1); break; @@ -226,8 +228,8 @@ int do_spe_mathemu(struct pt_regs *regs) break; } - pr_debug("SA: %ld %08lx %ld (%ld)\n", SA_s, SA_f, SA_e, SA_c); - pr_debug("SB: %ld %08lx %ld (%ld)\n", SB_s, SB_f, SB_e, SB_c); + pr_debug("SA: %d %08x %d (%d)\n", SA_s, SA_f, SA_e, SA_c); + pr_debug("SB: %d %08x %d (%d)\n", SB_s, SB_f, SB_e, SB_c); switch (func) { case EFSABS: @@ -278,7 +280,7 @@ int do_spe_mathemu(struct pt_regs *regs) } else { SB_e += (func == EFSCTSF ? 31 : 32); FP_TO_INT_ROUND_S(vc.wp[1], SB, 32, - (func == EFSCTSF)); + (func == EFSCTSF) ? 1 : 0); } goto update_regs; @@ -287,7 +289,7 @@ int do_spe_mathemu(struct pt_regs *regs) FP_CLEAR_EXCEPTIONS; FP_UNPACK_DP(DB, vb.dp); - pr_debug("DB: %ld %08lx %08lx %ld (%ld)\n", + pr_debug("DB: %d %08x %08x %d (%d)\n", DB_s, DB_f1, DB_f0, DB_e, DB_c); FP_CONV(S, D, 1, 2, SR, DB); @@ -301,7 +303,7 @@ int do_spe_mathemu(struct pt_regs *regs) FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_ROUND_S(vc.wp[1], SB, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -312,7 +314,7 @@ int do_spe_mathemu(struct pt_regs *regs) FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_S(vc.wp[1], SB, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -322,7 +324,7 @@ int do_spe_mathemu(struct pt_regs *regs) break; pack_s: - pr_debug("SR: %ld %08lx %ld (%ld)\n", SR_s, SR_f, SR_e, SR_c); + pr_debug("SR: %d %08x %d (%d)\n", SR_s, SR_f, SR_e, SR_c); FP_PACK_SP(vc.wp + 1, SR); goto update_regs; @@ -346,6 +348,7 @@ cmp_s: case AB: case XCR: FP_UNPACK_DP(DA, va.dp); + fallthrough; case XB: FP_UNPACK_DP(DB, vb.dp); break; @@ -354,9 +357,9 @@ cmp_s: break; } - pr_debug("DA: %ld %08lx %08lx %ld (%ld)\n", + pr_debug("DA: %d %08x %08x %d (%d)\n", DA_s, DA_f1, DA_f0, DA_e, DA_c); - pr_debug("DB: %ld %08lx %08lx %ld (%ld)\n", + pr_debug("DB: %d %08x %08x %d (%d)\n", DB_s, DB_f1, DB_f0, DB_e, DB_c); switch (func) { @@ -408,7 +411,7 @@ cmp_s: } else { DB_e += (func == EFDCTSF ? 31 : 32); FP_TO_INT_ROUND_D(vc.wp[1], DB, 32, - (func == EFDCTSF)); + (func == EFDCTSF) ? 1 : 0); } goto update_regs; @@ -417,7 +420,7 @@ cmp_s: FP_CLEAR_EXCEPTIONS; FP_UNPACK_SP(SB, vb.wp + 1); - pr_debug("SB: %ld %08lx %ld (%ld)\n", + pr_debug("SB: %d %08x %d (%d)\n", SB_s, SB_f, SB_e, SB_c); FP_CONV(D, S, 2, 1, DR, SB); @@ -431,7 +434,7 @@ cmp_s: FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_D(vc.dp[0], DB, 64, - ((func & 0x1) == 0)); + ((func & 0x1) == 0) ? 1 : 0); } goto update_regs; @@ -442,7 +445,7 @@ cmp_s: FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_ROUND_D(vc.wp[1], DB, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -453,7 +456,7 @@ cmp_s: FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_D(vc.wp[1], DB, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -463,7 +466,7 @@ cmp_s: break; pack_d: - pr_debug("DR: %ld %08lx %08lx %ld (%ld)\n", + pr_debug("DR: %d %08x %08x %d (%d)\n", DR_s, DR_f1, DR_f0, DR_e, DR_c); FP_PACK_DP(vc.dp, DR); @@ -492,6 +495,7 @@ cmp_d: case XCR: FP_UNPACK_SP(SA0, va.wp); FP_UNPACK_SP(SA1, va.wp + 1); + fallthrough; case XB: FP_UNPACK_SP(SB0, vb.wp); FP_UNPACK_SP(SB1, vb.wp + 1); @@ -502,13 +506,13 @@ cmp_d: break; } - pr_debug("SA0: %ld %08lx %ld (%ld)\n", + pr_debug("SA0: %d %08x %d (%d)\n", SA0_s, SA0_f, SA0_e, SA0_c); - pr_debug("SA1: %ld %08lx %ld (%ld)\n", + pr_debug("SA1: %d %08x %d (%d)\n", SA1_s, SA1_f, SA1_e, SA1_c); - pr_debug("SB0: %ld %08lx %ld (%ld)\n", + pr_debug("SB0: %d %08x %d (%d)\n", SB0_s, SB0_f, SB0_e, SB0_c); - pr_debug("SB1: %ld %08lx %ld (%ld)\n", + pr_debug("SB1: %d %08x %d (%d)\n", SB1_s, SB1_f, SB1_e, SB1_c); switch (func) { @@ -567,7 +571,7 @@ cmp_d: } else { SB0_e += (func == EVFSCTSF ? 31 : 32); FP_TO_INT_ROUND_S(vc.wp[0], SB0, 32, - (func == EVFSCTSF)); + (func == EVFSCTSF) ? 1 : 0); } if (SB1_c == FP_CLS_NAN) { vc.wp[1] = 0; @@ -575,7 +579,7 @@ cmp_d: } else { SB1_e += (func == EVFSCTSF ? 31 : 32); FP_TO_INT_ROUND_S(vc.wp[1], SB1, 32, - (func == EVFSCTSF)); + (func == EVFSCTSF) ? 1 : 0); } goto update_regs; @@ -586,14 +590,14 @@ cmp_d: FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_ROUND_S(vc.wp[0], SB0, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } if (SB1_c == FP_CLS_NAN) { vc.wp[1] = 0; FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_ROUND_S(vc.wp[1], SB1, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -604,14 +608,14 @@ cmp_d: FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_S(vc.wp[0], SB0, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } if (SB1_c == FP_CLS_NAN) { vc.wp[1] = 0; FP_SET_EXCEPTION(FP_EX_INVALID); } else { FP_TO_INT_S(vc.wp[1], SB1, 32, - ((func & 0x3) != 0)); + ((func & 0x3) != 0) ? 1 : 0); } goto update_regs; @@ -621,9 +625,9 @@ cmp_d: break; pack_vs: - pr_debug("SR0: %ld %08lx %ld (%ld)\n", + pr_debug("SR0: %d %08x %d (%d)\n", SR0_s, SR0_f, SR0_e, SR0_c); - pr_debug("SR1: %ld %08lx %ld (%ld)\n", + pr_debug("SR1: %d %08x %d (%d)\n", SR1_s, SR1_f, SR1_e, SR1_c); FP_PACK_SP(vc.wp, SR0); @@ -886,7 +890,7 @@ int speround_handler(struct pt_regs *regs) return 0; } -int __init spe_mathemu_init(void) +static int __init spe_mathemu_init(void) { u32 pvr, maj, min; diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index a96b73006dfb14..850783cfa9c730 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -158,7 +158,7 @@ static unsigned long __init __mmu_mapin_ram(unsigned long base, unsigned long to unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top) { unsigned long done; - unsigned long border = (unsigned long)__init_begin - PAGE_OFFSET; + unsigned long border = (unsigned long)__srwx_boundary - PAGE_OFFSET; unsigned long size; size = roundup_pow_of_two((unsigned long)_einittext - PAGE_OFFSET); @@ -240,7 +240,7 @@ void mmu_mark_rodata_ro(void) for (i = 0; i < nb; i++) { struct ppc_bat *bat = BATS[i]; - if (bat_addrs[i].start < (unsigned long)__init_begin) + if (bat_addrs[i].start < (unsigned long)__end_rodata) bat[1].batl = (bat[1].batl & ~BPP_RW) | BPP_RX; } @@ -314,11 +314,9 @@ static void hash_preload(struct mm_struct *mm, unsigned long ea) * * This must always be called with the pte lock held. */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, +void __update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { - if (!mmu_has_feature(MMU_FTR_HPTE_TABLE)) - return; /* * We don't need to worry about _PAGE_PRESENT here because we are * called with either mm->page_table_lock held or ptl lock held diff --git a/arch/powerpc/mm/book3s64/hash_pgtable.c b/arch/powerpc/mm/book3s64/hash_pgtable.c index ae008b9df0e670..747492edb75abb 100644 --- a/arch/powerpc/mm/book3s64/hash_pgtable.c +++ b/arch/powerpc/mm/book3s64/hash_pgtable.c @@ -256,7 +256,7 @@ pmd_t hash__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addres * the __collapse_huge_page_copy can result in copying * the old content. */ - flush_tlb_pmd_range(vma->vm_mm, &pmd, address); + flush_hash_table_pmd_range(vma->vm_mm, &pmd, address); return pmd; } @@ -541,7 +541,7 @@ void hash__mark_rodata_ro(void) unsigned long start, end, pp; start = (unsigned long)_stext; - end = (unsigned long)__init_begin; + end = (unsigned long)__end_rodata; pp = htab_convert_pte_flags(pgprot_val(PAGE_KERNEL_ROX), HPTE_USE_KERNEL_KEY); diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c index eb0bccaf221eaa..a64ea0a7ef96d2 100644 --- a/arch/powerpc/mm/book3s64/hash_tlb.c +++ b/arch/powerpc/mm/book3s64/hash_tlb.c @@ -221,7 +221,7 @@ void __flush_hash_table_range(unsigned long start, unsigned long end) local_irq_restore(flags); } -void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr) +void flush_hash_table_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr) { pte_t *pte; pte_t *start_pte; diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 363a9447d63d86..df008edf7be09e 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -123,11 +123,8 @@ EXPORT_SYMBOL_GPL(mmu_slb_size); #ifdef CONFIG_PPC_64K_PAGES int mmu_ci_restrictions; #endif -#ifdef CONFIG_DEBUG_PAGEALLOC static u8 *linear_map_hash_slots; static unsigned long linear_map_hash_count; -static DEFINE_SPINLOCK(linear_map_hash_lock); -#endif /* CONFIG_DEBUG_PAGEALLOC */ struct mmu_hash_ops mmu_hash_ops; EXPORT_SYMBOL(mmu_hash_ops); @@ -427,11 +424,9 @@ repeat: break; cond_resched(); -#ifdef CONFIG_DEBUG_PAGEALLOC - if (debug_pagealloc_enabled() && + if (debug_pagealloc_enabled_or_kfence() && (paddr >> PAGE_SHIFT) < linear_map_hash_count) linear_map_hash_slots[paddr >> PAGE_SHIFT] = ret | 0x80; -#endif /* CONFIG_DEBUG_PAGEALLOC */ } return ret < 0 ? ret : 0; } @@ -778,7 +773,7 @@ static void __init htab_init_page_sizes(void) bool aligned = true; init_hpte_page_sizes(); - if (!debug_pagealloc_enabled()) { + if (!debug_pagealloc_enabled_or_kfence()) { /* * Pick a size for the linear mapping. Currently, we only * support 16M, 1M and 4K which is the default @@ -1066,8 +1061,7 @@ static void __init htab_initialize(void) prot = pgprot_val(PAGE_KERNEL); -#ifdef CONFIG_DEBUG_PAGEALLOC - if (debug_pagealloc_enabled()) { + if (debug_pagealloc_enabled_or_kfence()) { linear_map_hash_count = memblock_end_of_DRAM() >> PAGE_SHIFT; linear_map_hash_slots = memblock_alloc_try_nid( linear_map_hash_count, 1, MEMBLOCK_LOW_LIMIT, @@ -1076,7 +1070,6 @@ static void __init htab_initialize(void) panic("%s: Failed to allocate %lu bytes max_addr=%pa\n", __func__, linear_map_hash_count, &ppc64_rma_size); } -#endif /* CONFIG_DEBUG_PAGEALLOC */ /* create bolted the linear mapping in the hash table */ for_each_mem_range(i, &base, &end) { @@ -1781,7 +1774,7 @@ static void hash_preload(struct mm_struct *mm, pte_t *ptep, unsigned long ea, * * This must always be called with the pte lock held. */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, +void __update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { /* @@ -1791,9 +1784,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, unsigned long trap; bool is_exec; - if (radix_enabled()) - return; - /* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */ if (!pte_young(*ptep) || address >= TASK_SIZE) return; @@ -1990,7 +1980,9 @@ repeat: return slot; } -#ifdef CONFIG_DEBUG_PAGEALLOC +#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) +static DEFINE_SPINLOCK(linear_map_hash_lock); + static void kernel_map_linear_page(unsigned long vaddr, unsigned long lmi) { unsigned long hash; @@ -2005,6 +1997,9 @@ static void kernel_map_linear_page(unsigned long vaddr, unsigned long lmi) if (!vsid) return; + if (linear_map_hash_slots[lmi] & 0x80) + return; + ret = hpte_insert_repeating(hash, vpn, __pa(vaddr), mode, HPTE_V_BOLTED, mmu_linear_psize, mmu_kernel_ssize); @@ -2024,7 +2019,10 @@ static void kernel_unmap_linear_page(unsigned long vaddr, unsigned long lmi) hash = hpt_hash(vpn, PAGE_SHIFT, mmu_kernel_ssize); spin_lock(&linear_map_hash_lock); - BUG_ON(!(linear_map_hash_slots[lmi] & 0x80)); + if (!(linear_map_hash_slots[lmi] & 0x80)) { + spin_unlock(&linear_map_hash_lock); + return; + } hidx = linear_map_hash_slots[lmi] & 0x7f; linear_map_hash_slots[lmi] = 0; spin_unlock(&linear_map_hash_lock); @@ -2055,7 +2053,7 @@ void hash__kernel_map_pages(struct page *page, int numpages, int enable) } local_irq_restore(flags); } -#endif /* CONFIG_DEBUG_PAGEALLOC */ +#endif /* CONFIG_DEBUG_PAGEALLOC || CONFIG_KFENCE */ void hash__setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 7b9966402b25bc..f6151a5892982a 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -553,8 +553,15 @@ EXPORT_SYMBOL_GPL(memremap_compat_align); pgprot_t vm_get_page_prot(unsigned long vm_flags) { - unsigned long prot = pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]); + unsigned long prot; + + /* Radix supports execute-only, but protection_map maps X -> RX */ + if (radix_enabled() && ((vm_flags & VM_ACCESS_FLAGS) == VM_EXEC)) { + prot = pgprot_val(PAGE_EXECONLY); + } else { + prot = pgprot_val(protection_map[vm_flags & + (VM_ACCESS_FLAGS | VM_SHARED)]); + } if (vm_flags & VM_SAO) prot |= _PAGE_SAO; diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index e712f80fe1892a..cac727b0179990 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -30,9 +30,12 @@ #include <asm/trace.h> #include <asm/uaccess.h> #include <asm/ultravisor.h> +#include <asm/set_memory.h> #include <trace/events/thp.h> +#include <mm/mmu_decl.h> + unsigned int mmu_base_pid; unsigned long radix_mem_block_size __ro_after_init; @@ -228,7 +231,7 @@ void radix__mark_rodata_ro(void) unsigned long start, end; start = (unsigned long)_stext; - end = (unsigned long)__init_begin; + end = (unsigned long)__end_rodata; radix__change_memory_range(start, end, _PAGE_WRITE); } @@ -259,21 +262,24 @@ print_mapping(unsigned long start, unsigned long end, unsigned long size, bool e static unsigned long next_boundary(unsigned long addr, unsigned long end) { #ifdef CONFIG_STRICT_KERNEL_RWX - if (addr < __pa_symbol(__init_begin)) - return __pa_symbol(__init_begin); + if (addr < __pa_symbol(__srwx_boundary)) + return __pa_symbol(__srwx_boundary); #endif return end; } static int __meminit create_physical_mapping(unsigned long start, unsigned long end, - unsigned long max_mapping_size, int nid, pgprot_t _prot) { unsigned long vaddr, addr, mapping_size = 0; bool prev_exec, exec = false; pgprot_t prot; int psize; + unsigned long max_mapping_size = radix_mem_block_size; + + if (debug_pagealloc_enabled_or_kfence()) + max_mapping_size = PAGE_SIZE; start = ALIGN(start, PAGE_SIZE); end = ALIGN_DOWN(end, PAGE_SIZE); @@ -352,7 +358,6 @@ static void __init radix_init_pgtable(void) } WARN_ON(create_physical_mapping(start, end, - radix_mem_block_size, -1, PAGE_KERNEL)); } @@ -850,7 +855,7 @@ int __meminit radix__create_section_mapping(unsigned long start, } return create_physical_mapping(__pa(start), __pa(end), - radix_mem_block_size, nid, prot); + nid, prot); } int __meminit radix__remove_section_mapping(unsigned long start, unsigned long end) @@ -896,10 +901,17 @@ void __meminit radix__vmemmap_remove_mapping(unsigned long start, unsigned long #endif #endif -#ifdef CONFIG_DEBUG_PAGEALLOC +#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) void radix__kernel_map_pages(struct page *page, int numpages, int enable) { - pr_warn_once("DEBUG_PAGEALLOC not supported in radix mode\n"); + unsigned long addr; + + addr = (unsigned long)page_address(page); + + if (enable) + set_memory_p(addr, numpages); + else + set_memory_np(addr, numpages); } #endif diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 01400542868731..2bef19cc1b98c6 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -270,7 +270,11 @@ static bool access_error(bool is_write, bool is_exec, struct vm_area_struct *vma return false; } - if (unlikely(!vma_is_accessible(vma))) + /* + * Check for a read fault. This could be caused by a read on an + * inaccessible page (i.e. PROT_NONE), or a Radix MMU execute-only page. + */ + if (unlikely(!(vma->vm_flags & VM_READ))) return true; /* * We should ideally do the vma pkey access check here. But in the @@ -367,7 +371,22 @@ static void sanity_check_fault(bool is_write, bool is_user, #elif defined(CONFIG_PPC_8xx) #define page_fault_is_bad(__err) ((__err) & DSISR_NOEXEC_OR_G) #elif defined(CONFIG_PPC64) -#define page_fault_is_bad(__err) ((__err) & DSISR_BAD_FAULT_64S) +static int page_fault_is_bad(unsigned long err) +{ + unsigned long flag = DSISR_BAD_FAULT_64S; + + /* + * PAPR+ v2.11 § 14.15.3.4.1 (unreleased) + * If byte 0, bit 3 of pi-attribute-specifier-type in + * ibm,pi-features property is defined, ignore the DSI error + * which is caused by the paste instruction on the + * suspended NX window. + */ + if (mmu_has_feature(MMU_FTR_NX_DSI)) + flag &= ~DSISR_BAD_COPYPASTE; + + return err & flag; +} #else #define page_fault_is_bad(__err) ((__err) & DSISR_BAD_FAULT_32S) #endif diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index bc84a594ca62cb..5852a86d990d66 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -392,7 +392,7 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, * single hugepage, but all of them point to * the same kmem cache that holds the hugepte. */ - more = addr + (1 << hugepd_shift(*(hugepd_t *)pmd)); + more = addr + (1UL << hugepd_shift(*(hugepd_t *)pmd)); if (more > next) next = more; @@ -434,7 +434,7 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, p4d_t *p4d, * single hugepage, but all of them point to * the same kmem cache that holds the hugepte. */ - more = addr + (1 << hugepd_shift(*(hugepd_t *)pud)); + more = addr + (1UL << hugepd_shift(*(hugepd_t *)pud)); if (more > next) next = more; @@ -496,7 +496,7 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, * for a single hugepage, but all of them point to the * same kmem cache that holds the hugepte. */ - more = addr + (1 << hugepd_shift(*(hugepd_t *)pgd)); + more = addr + (1UL << hugepd_shift(*(hugepd_t *)pgd)); if (more > next) next = more; @@ -623,7 +623,7 @@ static int __init hugetlbpage_init(void) if (pdshift > shift) { if (!IS_ENABLED(CONFIG_PPC_8xx)) pgtable_cache_add(pdshift - shift); - } else if (IS_ENABLED(CONFIG_PPC_FSL_BOOK3E) || + } else if (IS_ENABLED(CONFIG_PPC_E500) || IS_ENABLED(CONFIG_PPC_8xx)) { pgtable_cache_add(PTE_T_ORDER); } diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 62d9af6606cd29..d4cc3749e62148 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -82,28 +82,15 @@ void __init MMU_init(void) if (ppc_md.progress) ppc_md.progress("MMU:enter", 0x111); - /* - * Reserve gigantic pages for hugetlb. This MUST occur before - * lowmem_end_addr is initialized below. - */ - if (memblock.memory.cnt > 1) { -#ifndef CONFIG_WII - memblock_enforce_memory_limit(memblock.memory.regions[0].size); - pr_warn("Only using first contiguous memory region\n"); -#else - wii_memory_fixups(); -#endif - } - total_lowmem = total_memory = memblock_end_of_DRAM() - memstart_addr; lowmem_end_addr = memstart_addr + total_lowmem; -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx /* Freescale Book-E parts expect lowmem to be mapped by fixed TLB * entries, so we need to adjust lowmem to match the amount we can map * in the fixed entries */ adjust_total_lowmem(); -#endif /* CONFIG_FSL_BOOKE */ +#endif /* CONFIG_PPC_85xx */ if (total_lowmem > __max_low_memory) { total_lowmem = __max_low_memory; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 01772e79fd93e5..84d171953ba44e 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -302,13 +302,13 @@ void __init mem_init(void) for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) { phys_addr_t paddr = (phys_addr_t)pfn << PAGE_SHIFT; struct page *page = pfn_to_page(pfn); - if (!memblock_is_reserved(paddr)) + if (memblock_is_memory(paddr) && !memblock_is_reserved(paddr)) free_highmem_page(page); } } #endif /* CONFIG_HIGHMEM */ -#if defined(CONFIG_PPC_FSL_BOOK3E) && !defined(CONFIG_SMP) +#if defined(CONFIG_PPC_E500) && !defined(CONFIG_SMP) /* * If smp is enabled, next_tlbcam_idx is initialized in the cpu up * functions.... do it here for the non-smp case. diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 229c72e491985a..bd9784f77f2ee2 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -38,7 +38,7 @@ static inline void _tlbil_pid(unsigned int pid) #else /* CONFIG_40x || CONFIG_PPC_8xx */ extern void _tlbil_all(void); extern void _tlbil_pid(unsigned int pid); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 extern void _tlbil_pid_noind(unsigned int pid); #else #define _tlbil_pid_noind(pid) _tlbil_pid(pid) @@ -55,7 +55,7 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid, asm volatile ("tlbie %0; sync" : : "r" (address) : "memory"); trace_tlbie(0, 0, address, pid, 0, 0, 0); } -#elif defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_PPC_BOOK3E_64) extern void _tlbil_va(unsigned long address, unsigned int pid, unsigned int tsize, unsigned int ind); #else @@ -67,7 +67,7 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid, } #endif /* CONFIG_PPC_8xx */ -#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_PPC_47x) +#if defined(CONFIG_PPC_BOOK3E_64) || defined(CONFIG_PPC_47x) extern void _tlbivax_bcast(unsigned long address, unsigned int pid, unsigned int tsize, unsigned int ind); #else @@ -92,28 +92,16 @@ extern void mapin_ram(void); extern void setbat(int index, unsigned long virt, phys_addr_t phys, unsigned int size, pgprot_t prot); -extern unsigned int rtas_data, rtas_size; - -struct hash_pte; extern u8 early_hash[]; #endif /* CONFIG_PPC32 */ extern unsigned long __max_low_memory; -extern phys_addr_t __initial_memory_limit_addr; extern phys_addr_t total_memory; extern phys_addr_t total_lowmem; extern phys_addr_t memstart_addr; extern phys_addr_t lowmem_end_addr; -#ifdef CONFIG_WII -extern unsigned long wii_hole_start; -extern unsigned long wii_hole_size; - -extern unsigned long wii_mmu_mapin_mem2(unsigned long top); -extern void wii_memory_fixups(void); -#endif - /* ...and now those things that may be slightly different between processor * architectures. -- Dan */ @@ -123,11 +111,9 @@ void MMU_init_hw_patch(void); unsigned long mmu_mapin_ram(unsigned long base, unsigned long top); #endif -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx, bool dryrun, bool init); -extern unsigned long calc_cam_sz(unsigned long ram, unsigned long virt, - phys_addr_t phys); #ifdef CONFIG_PPC32 extern void adjust_total_lowmem(void); extern int switch_to_as1(void); @@ -160,9 +146,9 @@ struct tlbcam { extern struct tlbcam TLBCAM[NUM_TLBCAMS]; #endif -#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_FSL_BOOKE) || defined(CONFIG_PPC_8xx) +#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_8xx) /* 6xx have BATS */ -/* FSL_BOOKE have TLBCAM */ +/* PPC_85xx have TLBCAM */ /* 8xx have LTLB */ phys_addr_t v_block_mapped(unsigned long va); unsigned long p_block_mapped(phys_addr_t pa); @@ -171,7 +157,7 @@ static inline phys_addr_t v_block_mapped(unsigned long va) { return 0; } static inline unsigned long p_block_mapped(phys_addr_t pa) { return 0; } #endif -#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_FSL_BOOK3E) +#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_E500) void mmu_mark_initmem_nx(void); void mmu_mark_rodata_ro(void); #else diff --git a/arch/powerpc/mm/nohash/Makefile b/arch/powerpc/mm/nohash/Makefile index b467a25ee155d1..f3894e79d5f700 100644 --- a/arch/powerpc/mm/nohash/Makefile +++ b/arch/powerpc/mm/nohash/Makefile @@ -7,13 +7,13 @@ obj-$(CONFIG_PPC_BOOK3E_64) += tlb_low_64e.o book3e_pgtable.o obj-$(CONFIG_40x) += 40x.o obj-$(CONFIG_44x) += 44x.o obj-$(CONFIG_PPC_8xx) += 8xx.o -obj-$(CONFIG_PPC_FSL_BOOK3E) += fsl_book3e.o +obj-$(CONFIG_PPC_E500) += e500.o obj-$(CONFIG_RANDOMIZE_BASE) += kaslr_booke.o ifdef CONFIG_HUGETLB_PAGE -obj-$(CONFIG_PPC_FSL_BOOK3E) += book3e_hugetlbpage.o +obj-$(CONFIG_PPC_E500) += e500_hugetlbpage.o endif # Disable kcov instrumentation on sensitive code # This is necessary for booting with kcov enabled on book3e machines KCOV_INSTRUMENT_tlb.o := n -KCOV_INSTRUMENT_fsl_book3e.o := n +KCOV_INSTRUMENT_e500.o := n diff --git a/arch/powerpc/mm/nohash/fsl_book3e.c b/arch/powerpc/mm/nohash/e500.c index b8ae6c08c06fdc..40a4e69ae1a91b 100644 --- a/arch/powerpc/mm/nohash/fsl_book3e.c +++ b/arch/powerpc/mm/nohash/e500.c @@ -59,7 +59,7 @@ static struct { phys_addr_t phys; } tlbcam_addrs[NUM_TLBCAMS]; -#ifdef CONFIG_FSL_BOOKE +#ifdef CONFIG_PPC_85xx /* * Return PA for this VA if it is mapped by a CAM, or 0 */ @@ -135,8 +135,8 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys, tlbcam_addrs[index].phys = phys; } -unsigned long calc_cam_sz(unsigned long ram, unsigned long virt, - phys_addr_t phys) +static unsigned long calc_cam_sz(unsigned long ram, unsigned long virt, + phys_addr_t phys) { unsigned int camsize = __ilog2(ram); unsigned int align = __ffs(virt | phys); diff --git a/arch/powerpc/mm/nohash/book3e_hugetlbpage.c b/arch/powerpc/mm/nohash/e500_hugetlbpage.c index c7d4b317a823a8..c7d4b317a823a8 100644 --- a/arch/powerpc/mm/nohash/book3e_hugetlbpage.c +++ b/arch/powerpc/mm/nohash/e500_hugetlbpage.c diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index 5e7ccb48b79c05..2c15c86c701571 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -49,8 +49,7 @@ * other sizes not listed here. The .ind field is only used on MMUs that have * indirect page table entries. */ -#if defined(CONFIG_PPC_BOOK3E_MMU) || defined(CONFIG_PPC_8xx) -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = { [MMU_PAGE_4K] = { .shift = 12, @@ -81,7 +80,20 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = { .enc = BOOK3E_PAGESZ_1GB, }, }; -#elif defined(CONFIG_PPC_8xx) + +static inline int mmu_get_tsize(int psize) +{ + return mmu_psize_defs[psize].enc; +} +#else +static inline int mmu_get_tsize(int psize) +{ + /* This isn't used on !Book3E for now */ + return 0; +} +#endif + +#ifdef CONFIG_PPC_8xx struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = { [MMU_PAGE_4K] = { .shift = 12, @@ -96,53 +108,7 @@ struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = { .shift = 23, }, }; -#else -struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = { - [MMU_PAGE_4K] = { - .shift = 12, - .ind = 20, - .enc = BOOK3E_PAGESZ_4K, - }, - [MMU_PAGE_16K] = { - .shift = 14, - .enc = BOOK3E_PAGESZ_16K, - }, - [MMU_PAGE_64K] = { - .shift = 16, - .ind = 28, - .enc = BOOK3E_PAGESZ_64K, - }, - [MMU_PAGE_1M] = { - .shift = 20, - .enc = BOOK3E_PAGESZ_1M, - }, - [MMU_PAGE_16M] = { - .shift = 24, - .ind = 36, - .enc = BOOK3E_PAGESZ_16M, - }, - [MMU_PAGE_256M] = { - .shift = 28, - .enc = BOOK3E_PAGESZ_256M, - }, - [MMU_PAGE_1G] = { - .shift = 30, - .enc = BOOK3E_PAGESZ_1GB, - }, -}; -#endif /* CONFIG_FSL_BOOKE */ - -static inline int mmu_get_tsize(int psize) -{ - return mmu_psize_defs[psize].enc; -} -#else -static inline int mmu_get_tsize(int psize) -{ - /* This isn't used on !Book3E for now */ - return 0; -} -#endif /* CONFIG_PPC_BOOK3E_MMU */ +#endif /* The variables below are currently only used on 64-bit Book3E * though this will probably be made common with other nohash @@ -166,7 +132,7 @@ int extlb_level_exc; #endif /* CONFIG_PPC64 */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 /* next_tlbcam_idx is used to round-robin tlbcam entry assignment */ DEFINE_PER_CPU(int, next_tlbcam_idx); EXPORT_PER_CPU_SYMBOL(next_tlbcam_idx); @@ -441,7 +407,7 @@ static void __init setup_page_sizes(void) unsigned int eptcfg; int i, psize; -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 unsigned int mmucfg = mfspr(SPRN_MMUCFG); int fsl_mmu = mmu_has_feature(MMU_FTR_TYPE_FSL_E); @@ -584,7 +550,7 @@ static void __init setup_mmu_htw(void) patch_exception(0x1c0, exc_data_tlb_miss_htw_book3e); patch_exception(0x1e0, exc_instruction_tlb_miss_htw_book3e); break; -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 case PPC_HTW_E6500: extlb_level_exc = EX_TLB_SIZE; patch_exception(0x1c0, exc_data_tlb_miss_e6500_book3e); @@ -627,7 +593,7 @@ static void early_init_this_mmu(void) } mtspr(SPRN_MAS4, mas4); -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { unsigned int num_cams; bool map = true; @@ -680,7 +646,7 @@ static void __init early_init_mmu_global(void) /* Look for HW tablewalk support */ setup_mmu_htw(); -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { if (book3e_htw_mode == PPC_HTW_NONE) { extlb_level_exc = EX_TLB_SIZE; @@ -701,7 +667,7 @@ static void __init early_init_mmu_global(void) static void __init early_mmu_set_memory_limit(void) { -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { /* * Limit memory so we dont have linear faults. @@ -750,7 +716,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base, * We crop it to the size of the first MEMBLOCK to * avoid going over total available memory just in case... */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 if (early_mmu_has_feature(MMU_FTR_TYPE_FSL_E)) { unsigned long linear_sz; unsigned int num_cams; diff --git a/arch/powerpc/mm/nohash/tlb_low.S b/arch/powerpc/mm/nohash/tlb_low.S index d62b613a0d5d17..e1199608ff4dcd 100644 --- a/arch/powerpc/mm/nohash/tlb_low.S +++ b/arch/powerpc/mm/nohash/tlb_low.S @@ -221,7 +221,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_476_DD2) blr #endif /* CONFIG_PPC_47x */ -#elif defined(CONFIG_FSL_BOOKE) +#elif defined(CONFIG_PPC_85xx) /* * FSL BookE implementations. * @@ -294,7 +294,7 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) isync 1: wrtee r10 blr -#elif defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_PPC_BOOK3E_64) /* * New Book3E (>= 2.06) implementation * @@ -364,7 +364,7 @@ _GLOBAL(_tlbivax_bcast) #error Unsupported processor type ! #endif -#if defined(CONFIG_PPC_FSL_BOOK3E) +#if defined(CONFIG_PPC_E500) /* * extern void loadcam_entry(unsigned int index) * diff --git a/arch/powerpc/mm/nohash/tlb_low_64e.S b/arch/powerpc/mm/nohash/tlb_low_64e.S index 68ffbfdba8944b..76cf456d797624 100644 --- a/arch/powerpc/mm/nohash/tlb_low_64e.S +++ b/arch/powerpc/mm/nohash/tlb_low_64e.S @@ -61,7 +61,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV) ld r14,PACAPGD(r13) std r15,EX_TLB_R15(r12) std r10,EX_TLB_CR(r12) -#ifdef CONFIG_PPC_FSL_BOOK3E START_BTB_FLUSH_SECTION mfspr r11, SPRN_SRR1 andi. r10,r11,MSR_PR @@ -70,14 +69,11 @@ START_BTB_FLUSH_SECTION 1: END_BTB_FLUSH_SECTION std r7,EX_TLB_R7(r12) -#endif .endm .macro tlb_epilog_bolted ld r14,EX_TLB_CR(r12) -#ifdef CONFIG_PPC_FSL_BOOK3E ld r7,EX_TLB_R7(r12) -#endif ld r10,EX_TLB_R10(r12) ld r11,EX_TLB_R11(r12) ld r13,EX_TLB_R13(r12) @@ -248,7 +244,6 @@ itlb_miss_fault_bolted: beq tlb_miss_user_bolted b itlb_miss_kernel_bolted -#ifdef CONFIG_PPC_FSL_BOOK3E /* * TLB miss handling for e6500 and derivatives, using hardware tablewalk. * @@ -515,7 +510,6 @@ dtlb_miss_fault_e6500: itlb_miss_fault_e6500: tlb_epilog_bolted b exc_instruction_storage_book3e -#endif /* CONFIG_PPC_FSL_BOOK3E */ /********************************************************************** * * @@ -1124,8 +1118,8 @@ tlb_load_linear: * we only use 1G pages for now. That might have to be changed in a * final implementation, especially when dealing with hypervisors */ - ld r11,PACATOC(r13) - ld r11,linear_map_top@got(r11) + __LOAD_PACA_TOC(r11) + LOAD_REG_ADDR_ALTTOC(r11, r11, linear_map_top) ld r10,0(r11) tovirt(10,10) cmpld cr0,r16,r10 diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 0801b2ce9b7d10..b44ce71917d75a 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1160,6 +1160,9 @@ void __init mem_topology_setup(void) { int cpu; + max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; + min_low_pfn = MEMORY_START >> PAGE_SHIFT; + /* * Linux/mm assumes node 0 to be online at boot. However this is not * true on PowerPC, where node 0 is similar to any other node, it @@ -1204,9 +1207,6 @@ void __init initmem_init(void) { int nid; - max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; - max_pfn = max_low_pfn; - memblock_dump_all(); for_each_online_node(nid) { diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 3ac73f9fb5d598..5c02fd08d61eff 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -158,10 +158,11 @@ void mark_rodata_ro(void) } /* - * mark .text and .rodata as read only. Use __init_begin rather than - * __end_rodata to cover NOTES and EXCEPTION_TABLE. + * mark text and rodata as read only. __end_rodata is set by + * powerpc's linker script and includes tables and data + * requiring relocation which are not put in RO_DATA. */ - numpages = PFN_UP((unsigned long)__init_begin) - + numpages = PFN_UP((unsigned long)__end_rodata) - PFN_DOWN((unsigned long)_stext); set_memory_ro((unsigned long)_stext, numpages); diff --git a/arch/powerpc/mm/ptdump/Makefile b/arch/powerpc/mm/ptdump/Makefile index b533caaf0910ca..dc896d2874f33f 100644 --- a/arch/powerpc/mm/ptdump/Makefile +++ b/arch/powerpc/mm/ptdump/Makefile @@ -4,7 +4,7 @@ obj-y += ptdump.o obj-$(CONFIG_4xx) += shared.o obj-$(CONFIG_PPC_8xx) += 8xx.o -obj-$(CONFIG_PPC_BOOK3E_MMU) += shared.o +obj-$(CONFIG_PPC_E500) += shared.o obj-$(CONFIG_PPC_BOOK3S_32) += shared.o obj-$(CONFIG_PPC_BOOK3S_64) += book3s64.o diff --git a/arch/powerpc/perf/bhrb.S b/arch/powerpc/perf/bhrb.S index 1aa3259716b8c9..47ba05d5ae7693 100644 --- a/arch/powerpc/perf/bhrb.S +++ b/arch/powerpc/perf/bhrb.S @@ -21,7 +21,7 @@ _GLOBAL(read_bhrb) cmpldi r3,31 bgt 1f - ld r4,bhrb_table@got(r2) + LOAD_REG_ADDR(r4, bhrb_table) sldi r3,r3,3 add r3,r4,r3 mtctr r3 diff --git a/arch/powerpc/perf/callchain_32.c b/arch/powerpc/perf/callchain_32.c index b83c47b7947f07..ea8cfe3806dce3 100644 --- a/arch/powerpc/perf/callchain_32.c +++ b/arch/powerpc/perf/callchain_32.c @@ -19,7 +19,7 @@ #include "callchain.h" #ifdef CONFIG_PPC64 -#include "../kernel/ppc32.h" +#include <asm/syscalls_32.h> #else /* CONFIG_PPC64 */ #define __SIGNAL_FRAMESIZE32 __SIGNAL_FRAMESIZE diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 13919eb96931b3..03e31ae977414d 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2131,6 +2131,23 @@ static int power_pmu_event_init(struct perf_event *event) if (has_branch_stack(event)) { u64 bhrb_filter = -1; + /* + * Currently no PMU supports having multiple branch filters + * at the same time. Branch filters are set via MMCRA IFM[32:33] + * bits for Power8 and above. Return EOPNOTSUPP when multiple + * branch filters are requested in the event attr. + * + * When opening event via perf_event_open(), branch_sample_type + * gets adjusted in perf_copy_attr(). Kernel will automatically + * adjust the branch_sample_type based on the event modifier + * settings to include PERF_SAMPLE_BRANCH_PLM_ALL. Hence drop + * the check for PERF_SAMPLE_BRANCH_PLM_ALL. + */ + if (hweight64(event->attr.branch_sample_type & ~PERF_SAMPLE_BRANCH_PLM_ALL) > 1) { + local_irq_restore(irq_flags); + return -EOPNOTSUPP; + } + if (ppmu->bhrb_filter_map) bhrb_filter = ppmu->bhrb_filter_map( event->attr.branch_sample_type); diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index d7976ab40d386d..d517aba94d1bc4 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -240,8 +240,10 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) ct = of_get_child_count(pmu_events); /* Get the event prefix */ - if (of_property_read_string(node, "events-prefix", &prefix)) + if (of_property_read_string(node, "events-prefix", &prefix)) { + of_node_put(pmu_events); return 0; + } /* Get a global unit and scale data if available */ if (of_property_read_string(node, "scale", &g_scale)) @@ -255,8 +257,10 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) /* Allocate memory for the events */ pmu->events = kcalloc(ct, sizeof(struct imc_events), GFP_KERNEL); - if (!pmu->events) + if (!pmu->events) { + of_node_put(pmu_events); return -ENOMEM; + } ct = 0; /* Parse the events and update the struct */ @@ -266,6 +270,8 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) ct++; } + of_node_put(pmu_events); + /* Allocate memory for attribute group */ attr_group = kzalloc(sizeof(*attr_group), GFP_KERNEL); if (!attr_group) { diff --git a/arch/powerpc/platforms/44x/ppc476.c b/arch/powerpc/platforms/44x/ppc476.c index 20cc8f80b086fa..7c91ac5a5241b5 100644 --- a/arch/powerpc/platforms/44x/ppc476.c +++ b/arch/powerpc/platforms/44x/ppc476.c @@ -140,6 +140,8 @@ static void __init ppc47x_init_irq(void) ppc_md.get_irq = mpic_get_irq; } else panic("Unrecognized top level interrupt controller"); + + of_node_put(np); } #ifdef CONFIG_SMP diff --git a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c index 0652c7e6922560..42abeba4f69832 100644 --- a/arch/powerpc/platforms/512x/clock-commonclk.c +++ b/arch/powerpc/platforms/512x/clock-commonclk.c @@ -950,7 +950,7 @@ static void __init mpc5121_clk_register_of_provider(struct device_node *np) */ static void __init mpc5121_clk_provide_migration_support(void) { - + struct device_node *np; /* * pre-enable those clock items which are not yet appropriately * acquired by their peripheral driver @@ -970,7 +970,9 @@ static void __init mpc5121_clk_provide_migration_support(void) * unused and so it gets disabled */ clk_prepare_enable(clks[MPC512x_CLK_PSC3_MCLK]);/* serial console */ - if (of_find_compatible_node(NULL, "pci", "fsl,mpc5121-pci")) + np = of_find_compatible_node(NULL, "pci", "fsl,mpc5121-pci"); + of_node_put(np); + if (np) clk_prepare_enable(clks[MPC512x_CLK_PCI]); } @@ -1208,6 +1210,8 @@ int __init mpc5121_clk_init(void) /* register as an OF clock provider */ mpc5121_clk_register_of_provider(clk_np); + of_node_put(clk_np); + /* * unbreak not yet adjusted peripheral drivers during migration * towards fully operational common clock support, and allow diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index ee367ff3ec8a49..33a35fff11b5cb 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -174,6 +174,8 @@ static void __init media5200_init_irq(void) goto out; pr_debug("%s: allocated irqhost\n", __func__); + of_node_put(fpga_np); + irq_set_handler_data(cascade_virq, &media5200_irq); irq_set_chained_handler(cascade_virq, media5200_irq_cascade); @@ -181,6 +183,7 @@ static void __init media5200_init_irq(void) out: pr_err("Could not find Media5200 FPGA; PCI interrupts will not work\n"); + of_node_put(fpga_np); } /* diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index bb8caa5071f8cf..e12cb44e717f1f 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -162,6 +162,8 @@ static struct spi_board_info mpc832x_spi_boardinfo = { static int __init mpc832x_spi_init(void) { + struct device_node *np; + par_io_config_pin(3, 0, 3, 0, 1, 0); /* SPI1 MOSI, I/O */ par_io_config_pin(3, 1, 3, 0, 1, 0); /* SPI1 MISO, I/O */ par_io_config_pin(3, 2, 3, 0, 1, 0); /* SPI1 CLK, I/O */ @@ -175,7 +177,9 @@ static int __init mpc832x_spi_init(void) * Don't bother with legacy stuff when device tree contains * mmc-spi-slot node. */ - if (of_find_compatible_node(NULL, NULL, "mmc-spi-slot")) + np = of_find_compatible_node(NULL, NULL, "mmc-spi-slot"); + of_node_put(np); + if (np) return 0; return fsl_spi_init(&mpc832x_spi_boardinfo, 1, mpc83xx_spi_cs_control); } diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index be16eba0f704dc..b92cb2b4d54d17 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 menuconfig FSL_SOC_BOOKE bool "Freescale Book-E Machine Type" - depends on PPC_85xx || PPC_BOOK3E + depends on PPC_E500 select FSL_SOC select PPC_UDBG_16550 select MPIC @@ -241,8 +241,6 @@ endif # PPC32 config PPC_QEMU_E500 bool "QEMU generic e500 platform" select DEFAULT_UIMAGE - select E500 - select PPC_E500MC if PPC64 help This option enables support for running as a QEMU guest using QEMU's generic e500 machine. This is not required if you're @@ -258,7 +256,6 @@ config PPC_QEMU_E500 config CORENET_GENERIC bool "Freescale CoreNet Generic" select DEFAULT_UIMAGE - select E500 select PPC_E500MC select PHYS_64BIT select SWIOTLB diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c index 28d6b36f1ccdb9..2c539de2d629a0 100644 --- a/arch/powerpc/platforms/85xx/corenet_generic.c +++ b/arch/powerpc/platforms/85xx/corenet_generic.c @@ -200,9 +200,5 @@ define_machine(corenet_generic) { #endif .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, -#ifdef CONFIG_PPC64 - .power_save = book3e_idle, -#else .power_save = e500_idle, -#endif }; diff --git a/arch/powerpc/platforms/85xx/ge_imp3a.c b/arch/powerpc/platforms/85xx/ge_imp3a.c index 8e827376d97b89..e3e8f18825a1b5 100644 --- a/arch/powerpc/platforms/85xx/ge_imp3a.c +++ b/arch/powerpc/platforms/85xx/ge_imp3a.c @@ -89,8 +89,10 @@ static void __init ge_imp3a_pci_assign_primary(void) of_device_is_compatible(np, "fsl,mpc8548-pcie") || of_device_is_compatible(np, "fsl,p2020-pcie")) { of_address_to_resource(np, 0, &rsrc); - if ((rsrc.start & 0xfffff) == 0x9000) - fsl_pci_primary = np; + if ((rsrc.start & 0xfffff) == 0x9000) { + of_node_put(fsl_pci_primary); + fsl_pci_primary = of_node_get(np); + } } } #endif diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c index bdf9d42f8521d5..a22f02b0fc77c4 100644 --- a/arch/powerpc/platforms/85xx/ksi8560.c +++ b/arch/powerpc/platforms/85xx/ksi8560.c @@ -133,6 +133,8 @@ static void __init ksi8560_setup_arch(void) else printk(KERN_ERR "Can't find CPLD in device tree\n"); + of_node_put(cpld); + if (ppc_md.progress) ppc_md.progress("ksi8560_setup_arch()", 0); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 48f3acfece0b2a..0b8f2101c5fba9 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -159,6 +159,7 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) else dev->irq = 10; pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + break; default: break; } diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c index 64109ad6736c14..1639e222cc33f0 100644 --- a/arch/powerpc/platforms/85xx/qemu_e500.c +++ b/arch/powerpc/platforms/85xx/qemu_e500.c @@ -68,9 +68,5 @@ define_machine(qemu_e500) { .get_irq = mpic_get_coreint_irq, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, -#ifdef CONFIG_PPC64 - .power_save = book3e_idle, -#else .power_save = e500_idle, -#endif }; diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c index 98ae640751934d..e14d1b74d4e4c5 100644 --- a/arch/powerpc/platforms/85xx/sgy_cts1000.c +++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c @@ -71,6 +71,7 @@ static int gpio_halt_probe(struct platform_device *pdev) { enum of_gpio_flags flags; struct device_node *node = pdev->dev.of_node; + struct device_node *child_node; int gpio, err, irq; int trigger; @@ -78,26 +79,29 @@ static int gpio_halt_probe(struct platform_device *pdev) return -ENODEV; /* If there's no matching child, this isn't really an error */ - halt_node = of_find_matching_node(node, child_match); - if (!halt_node) + child_node = of_find_matching_node(node, child_match); + if (!child_node) return 0; /* Technically we could just read the first one, but punish * DT writers for invalid form. */ - if (of_gpio_count(halt_node) != 1) - return -EINVAL; + if (of_gpio_count(child_node) != 1) { + err = -EINVAL; + goto err_put; + } /* Get the gpio number relative to the dynamic base. */ - gpio = of_get_gpio_flags(halt_node, 0, &flags); - if (!gpio_is_valid(gpio)) - return -EINVAL; + gpio = of_get_gpio_flags(child_node, 0, &flags); + if (!gpio_is_valid(gpio)) { + err = -EINVAL; + goto err_put; + } err = gpio_request(gpio, "gpio-halt"); if (err) { printk(KERN_ERR "gpio-halt: error requesting GPIO %d.\n", gpio); - halt_node = NULL; - return err; + goto err_put; } trigger = (flags == OF_GPIO_ACTIVE_LOW); @@ -105,15 +109,14 @@ static int gpio_halt_probe(struct platform_device *pdev) gpio_direction_output(gpio, !trigger); /* Now get the IRQ which tells us when the power button is hit */ - irq = irq_of_parse_and_map(halt_node, 0); + irq = irq_of_parse_and_map(child_node, 0); err = request_irq(irq, gpio_halt_irq, IRQF_TRIGGER_RISING | - IRQF_TRIGGER_FALLING, "gpio-halt", halt_node); + IRQF_TRIGGER_FALLING, "gpio-halt", child_node); if (err) { printk(KERN_ERR "gpio-halt: error requesting IRQ %d for " "GPIO %d.\n", irq, gpio); gpio_free(gpio); - halt_node = NULL; - return err; + goto err_put; } /* Register our halt function */ @@ -123,7 +126,12 @@ static int gpio_halt_probe(struct platform_device *pdev) printk(KERN_INFO "gpio-halt: registered GPIO %d (%d trigger, %d" " irq).\n", gpio, trigger, irq); + halt_node = child_node; return 0; + +err_put: + of_node_put(child_node); + return err; } static int gpio_halt_remove(struct platform_device *pdev) @@ -139,6 +147,7 @@ static int gpio_halt_remove(struct platform_device *pdev) gpio_free(gpio); + of_node_put(halt_node); halt_node = NULL; } diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c index 3725d51248df15..ffcfd17a5fa307 100644 --- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c +++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c @@ -105,6 +105,9 @@ static void __init init_ioports(void) if (dnode == NULL) return; prop = of_find_property(dnode, "ethernet1", &len); + + of_node_put(dnode); + if (prop == NULL) return; diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 5185d942b4555d..0c4eed9aea8062 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -33,7 +33,7 @@ config PPC_BOOK3S_32 config PPC_85xx bool "Freescale 85xx" - select E500 + select PPC_E500 config PPC_8xx bool "Freescale 8xx" @@ -107,7 +107,8 @@ config PPC_BOOK3S_64 config PPC_BOOK3E_64 bool "Embedded processors" - select PPC_FSL_BOOK3E + select PPC_E500 + select PPC_E500MC select PPC_FPU # Make it a choice ? select PPC_SMP_MUXED_IPI select PPC_DOORBELL @@ -125,7 +126,7 @@ choice If unsure, select Generic. config GENERIC_CPU - bool "Generic (POWER4 and above)" + bool "Generic (POWER5 and PowerPC 970 and above)" depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN select PPC_64S_HASH_MMU @@ -144,8 +145,8 @@ config CELL_CPU depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN select PPC_64S_HASH_MMU -config POWER5_CPU - bool "POWER5" +config PPC_970_CPU + bool "PowerPC 970 (including PowerPC G5)" depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN select PPC_64S_HASH_MMU @@ -171,13 +172,18 @@ config POWER9_CPU depends on PPC_BOOK3S_64 select ARCH_HAS_FAST_MULTIPLIER +config POWER10_CPU + bool "POWER10" + depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER + config E5500_CPU bool "Freescale e5500" - depends on PPC64 && E500 + depends on PPC64 && PPC_E500 config E6500_CPU bool "Freescale e6500" - depends on PPC64 && E500 + depends on PPC64 && PPC_E500 config 405_CPU bool "40x family" @@ -234,11 +240,12 @@ config TARGET_CPU string depends on TARGET_CPU_BOOL default "cell" if CELL_CPU - default "power5" if POWER5_CPU + default "970" if PPC_970_CPU default "power6" if POWER6_CPU default "power7" if POWER7_CPU default "power8" if POWER8_CPU default "power9" if POWER9_CPU + default "power10" if POWER10_CPU default "405" if 405_CPU default "440" if 440_CPU default "464" if 464_CPU @@ -255,20 +262,19 @@ config PPC_BOOK3S def_bool y depends on PPC_BOOK3S_32 || PPC_BOOK3S_64 -config PPC_BOOK3E - def_bool y - depends on PPC_BOOK3E_64 - -config E500 +config PPC_E500 select FSL_EMB_PERFMON - select PPC_FSL_BOOK3E bool + select ARCH_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64 + select PPC_SMP_MUXED_IPI + select PPC_DOORBELL + select PPC_KUEP config PPC_E500MC bool "e500mc Support" select PPC_FPU select COMMON_CLK - depends on E500 + depends on PPC_E500 help This must be enabled for running on e500mc (and derivatives such as e5500/e6500), and must be disabled for running on @@ -291,7 +297,7 @@ config PPC_FPU config FSL_EMB_PERFMON bool "Freescale Embedded Perfmon" - depends on E500 || PPC_83xx + depends on PPC_E500 || PPC_83xx help This is the Performance Monitor support found on the e500 core and some e300 cores (c3 and c4). Select this only if your @@ -304,7 +310,7 @@ config FSL_EMB_PERF_EVENT config FSL_EMB_PERF_EVENT_E500 bool - depends on FSL_EMB_PERF_EVENT && E500 + depends on FSL_EMB_PERF_EVENT && PPC_E500 default y config 4xx @@ -314,7 +320,7 @@ config 4xx config BOOKE bool - depends on E500 || 44x || PPC_BOOK3E + depends on PPC_E500 || 44x default y config BOOKE_OR_40x @@ -322,29 +328,14 @@ config BOOKE_OR_40x depends on BOOKE || 40x default y -config FSL_BOOKE - bool - depends on E500 && PPC32 - default y - -# this is for common code between PPC32 & PPC64 FSL BOOKE -config PPC_FSL_BOOK3E - bool - select ARCH_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64 - imply FSL_EMB_PERFMON - select PPC_SMP_MUXED_IPI - select PPC_DOORBELL - select PPC_KUEP - default y if FSL_BOOKE - config PTE_64BIT bool - depends on 44x || E500 || PPC_86xx + depends on 44x || PPC_E500 || PPC_86xx default y if PHYS_64BIT config PHYS_64BIT - bool 'Large physical address support' if E500 || PPC_86xx - depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx + bool 'Large physical address support' if PPC_E500 || PPC_86xx + depends on (44x || PPC_E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx select PHYS_ADDR_T_64BIT help This option enables kernel support for larger than 32-bit physical @@ -391,7 +382,7 @@ config VSX config SPE_POSSIBLE def_bool y - depends on E500 && !PPC_E500MC + depends on PPC_E500 && !PPC_E500MC config SPE bool "SPE Support" @@ -481,10 +472,6 @@ config PPC_MMU_NOHASH def_bool y depends on !PPC_BOOK3S -config PPC_BOOK3E_MMU - def_bool y - depends on FSL_BOOKE || PPC_BOOK3E - config PPC_HAVE_PMU_SUPPORT bool @@ -506,7 +493,7 @@ config FORCE_SMP select SMP config SMP - depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x + depends on PPC_BOOK3S || PPC_E500 || PPC_47x select GENERIC_IRQ_MIGRATION bool "Symmetric multi-processing support" if !FORCE_SMP help diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c index c0799fb26b6d60..40f5ae5e1238d6 100644 --- a/arch/powerpc/platforms/book3s/vas-api.c +++ b/arch/powerpc/platforms/book3s/vas-api.c @@ -431,7 +431,7 @@ static vm_fault_t vas_mmap_fault(struct vm_fault *vmf) * The window may be inactive due to lost credit (Ex: core * removal with DLPAR). If the window is active again when * the credit is available, map the new paste address at the - * the window virtual address. + * window virtual address. */ if (txwin->status == VAS_WIN_ACTIVE) { paste_addr = cp_inst->coproc->vops->paste_addr(txwin); diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c index 316e533afc0054..fb4023f9ea6be6 100644 --- a/arch/powerpc/platforms/cell/cbe_regs.c +++ b/arch/powerpc/platforms/cell/cbe_regs.c @@ -182,9 +182,16 @@ static struct device_node *__init cbe_get_be_node(int cpu_id) if (WARN_ON_ONCE(!cpu_handle)) return np; - for (i=0; i<len; i++) - if (of_find_node_by_phandle(cpu_handle[i]) == of_get_cpu_node(cpu_id, NULL)) + for (i = 0; i < len; i++) { + struct device_node *ch_np = of_find_node_by_phandle(cpu_handle[i]); + struct device_node *ci_np = of_get_cpu_node(cpu_id, NULL); + + of_node_put(ch_np); + of_node_put(ci_np); + + if (ch_np == ci_np) return np; + } } return NULL; @@ -193,21 +200,30 @@ static struct device_node *__init cbe_get_be_node(int cpu_id) static void __init cbe_fill_regs_map(struct cbe_regs_map *map) { if(map->be_node) { - struct device_node *be, *np; + struct device_node *be, *np, *parent_np; be = map->be_node; - for_each_node_by_type(np, "pervasive") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "pervasive") { + parent_np = of_get_parent(np); + if (parent_np == be) map->pmd_regs = of_iomap(np, 0); + of_node_put(parent_np); + } - for_each_node_by_type(np, "CBEA-Internal-Interrupt-Controller") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "CBEA-Internal-Interrupt-Controller") { + parent_np = of_get_parent(np); + if (parent_np == be) map->iic_regs = of_iomap(np, 2); + of_node_put(parent_np); + } - for_each_node_by_type(np, "mic-tm") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "mic-tm") { + parent_np = of_get_parent(np); + if (parent_np == be) map->mic_tm_regs = of_iomap(np, 0); + of_node_put(parent_np); + } } else { struct device_node *cpu; /* That hack must die die die ! */ @@ -261,7 +277,8 @@ void __init cbe_regs_init(void) of_node_put(cpu); return; } - map->cpu_node = cpu; + of_node_put(map->cpu_node); + map->cpu_node = of_node_get(cpu); for_each_possible_cpu(i) { struct cbe_thread_map *thread = &cbe_thread_map[i]; diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 0ca3efeef293bd..8c713303956691 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -720,8 +720,10 @@ static int __init cell_iommu_init_disabled(void) cell_disable_iommus(); /* If we have no Axon, we set up the spider DMA magic offset */ - if (of_find_node_by_name(NULL, "axon") == NULL) + np = of_find_node_by_name(NULL, "axon"); + if (!np) cell_dma_nommu_offset = SPIDER_DMA_OFFSET; + of_node_put(np); /* Now we need to check to see where the memory is mapped * in PCI space. We assume that all busses use the same dma diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 52de014983c97f..47eaf75349f2fc 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -167,6 +167,8 @@ static int __init cell_publish_devices(void) of_platform_device_create(np, NULL, NULL); } + of_node_put(root); + /* There is no device for the MIC memory controller, thus we create * a platform device for it to attach the EDAC driver to. */ diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index fe0d8797a00a3b..e780c14c5733cb 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -34,15 +34,15 @@ * mbind, mq_open, ipc, ... */ -static void *spu_syscall_table[] = { +static const syscall_fn spu_syscall_table[] = { #define __SYSCALL_WITH_COMPAT(nr, entry, compat) __SYSCALL(nr, entry) -#define __SYSCALL(nr, entry) [nr] = entry, +#define __SYSCALL(nr, entry) [nr] = (void *) entry, #include <asm/syscall_table_spu.h> }; long spu_sys_callback(struct spu_syscall_block *s) { - long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6); + syscall_fn syscall; if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) { pr_debug("%s: invalid syscall #%lld", __func__, s->nr_ret); diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index ae09c5a91b4078..f1ac4c7420690a 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -488,6 +488,8 @@ static void __init init_affinity_node(int cbe) avoid_ph = vic_dn->phandle; } + of_node_put(vic_dn); + list_add_tail(&spu->aff_list, &last_spu->aff_list); last_spu = spu; break; diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index af048b6dd30ab9..84958487f696a4 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -333,7 +333,6 @@ void spufs_stop_callback(struct spu *spu, int irq); void spufs_mfc_callback(struct spu *spu); void spufs_dma_callback(struct spu *spu, int type); -extern struct spu_coredump_calls spufs_coredump_calls; struct spufs_coredump_reader { char *name; ssize_t (*dump)(struct spu_context *ctx, struct coredump_params *cprm); @@ -341,7 +340,6 @@ struct spufs_coredump_reader { size_t size; }; extern const struct spufs_coredump_reader spufs_coredump_read[]; -extern int spufs_coredump_num_notes; extern int spu_init_csa(struct spu_state *csa); extern void spu_fini_csa(struct spu_state *csa); diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h index a5a7c338caf948..6ff4631d9db4b1 100644 --- a/arch/powerpc/platforms/chrp/chrp.h +++ b/arch/powerpc/platforms/chrp/chrp.h @@ -9,4 +9,3 @@ extern int chrp_set_rtc_time(struct rtc_time *); extern long chrp_time_init(void); extern void chrp_find_bridges(void); -extern void chrp_event_scan(unsigned long); diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index 78f2378d9223f3..bebc5a972694e3 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -123,6 +123,8 @@ static void __init holly_init_pci(void) if (np) tsi108_setup_pci(np, HOLLY_PCI_CFG_PHYS, 1); + of_node_put(np); + ppc_md.pci_exclude_device = holly_exclude_device; if (ppc_md.progress) ppc_md.progress("tsi108: resources set", 0x100); @@ -184,6 +186,9 @@ static void __init holly_init_IRQ(void) tsi108_pci_int_init(cascade_node); irq_set_handler_data(cascade_pci_irq, mpic); irq_set_chained_handler(cascade_pci_irq, tsi108_irq_cascade); + + of_node_put(tsi_pci); + of_node_put(cascade_node); #endif /* Configure MPIC outputs to CPU0 */ tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); @@ -210,6 +215,7 @@ static void __noreturn holly_restart(char *cmd) if (bridge) { prop = of_get_property(bridge, "reg", &size); addr = of_translate_address(bridge, prop); + of_node_put(bridge); } addr += (TSI108_PB_OFFSET + 0x414); diff --git a/arch/powerpc/platforms/embedded6xx/ls_uart.c b/arch/powerpc/platforms/embedded6xx/ls_uart.c index 0133e175a0fcd2..4ecbc55b37c0b9 100644 --- a/arch/powerpc/platforms/embedded6xx/ls_uart.c +++ b/arch/powerpc/platforms/embedded6xx/ls_uart.c @@ -124,6 +124,8 @@ static int __init ls_uarts_init(void) avr_clock = *(u32*)of_get_property(avr, "clock-frequency", &len); phys_addr = ((u32*)of_get_property(avr, "reg", &len))[0]; + of_node_put(avr); + if (!avr_clock || !phys_addr) return -EINVAL; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index 8b2b422103563f..ddf0c652af8000 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -135,6 +135,9 @@ static void __init mpc7448_hpc2_init_IRQ(void) tsi108_pci_int_init(cascade_node); irq_set_handler_data(cascade_pci_irq, mpic); irq_set_chained_handler(cascade_pci_irq, tsi108_irq_cascade); + + of_node_put(tsi_pci); + of_node_put(cascade_node); #endif /* Configure MPIC outputs to CPU0 */ tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c index 9e03ff8f631c4f..f4e654a9d4ff6d 100644 --- a/arch/powerpc/platforms/embedded6xx/wii.c +++ b/arch/powerpc/platforms/embedded6xx/wii.c @@ -15,8 +15,6 @@ #include <linux/seq_file.h> #include <linux/of_address.h> #include <linux/of_platform.h> -#include <linux/memblock.h> -#include <mm/mmu_decl.h> #include <asm/io.h> #include <asm/machdep.h> @@ -49,19 +47,6 @@ static void __iomem *hw_ctrl; static void __iomem *hw_gpio; -static int __init page_aligned(unsigned long x) -{ - return !(x & (PAGE_SIZE-1)); -} - -void __init wii_memory_fixups(void) -{ - struct memblock_region *p = memblock.memory.regions; - - BUG_ON(memblock.memory.cnt != 2); - BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base)); -} - static void __noreturn wii_spin(void) { local_irq_disable(); diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c index 823e219ef8ee7c..91606411d2e08b 100644 --- a/arch/powerpc/platforms/maple/time.c +++ b/arch/powerpc/platforms/maple/time.c @@ -153,6 +153,7 @@ time64_t __init maple_get_boot_time(void) maple_rtc_addr); } bail: + of_node_put(rtcs); if (maple_rtc_addr == 0) { maple_rtc_addr = RTC_PORT(0); /* legacy address */ printk(KERN_INFO "Maple: No device node for RTC, assuming " diff --git a/arch/powerpc/platforms/pasemi/misc.c b/arch/powerpc/platforms/pasemi/misc.c index f859ada29074a3..9e9a7e46288a88 100644 --- a/arch/powerpc/platforms/pasemi/misc.c +++ b/arch/powerpc/platforms/pasemi/misc.c @@ -36,8 +36,7 @@ static int __init find_i2c_driver(struct device_node *node, for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) { if (!of_device_is_compatible(node, i2c_devices[i].of_device)) continue; - if (strlcpy(info->type, i2c_devices[i].i2c_type, - I2C_NAME_SIZE) >= I2C_NAME_SIZE) + if (strscpy(info->type, i2c_devices[i].i2c_type, I2C_NAME_SIZE) < 0) return -ENOMEM; return 0; } diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index 55f0160910bf48..f27d3141473732 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -270,18 +270,12 @@ static int __init pas_add_bridge(struct device_node *dev) void __init pas_pci_init(void) { - struct device_node *np, *root; + struct device_node *np; int res; - root = of_find_node_by_path("/"); - if (!root) { - pr_crit("pas_pci_init: can't find root of device tree\n"); - return; - } - pci_set_flags(PCI_SCAN_ALL_PCIE_DEVS); - np = of_find_compatible_node(root, NULL, "pasemi,rootbus"); + np = of_find_compatible_node(of_root, NULL, "pasemi,rootbus"); if (np) { res = pas_add_bridge(np); of_node_put(np); diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 5cc958adba13f1..0382d20b561934 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -2632,31 +2632,31 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ if (!macio_chips[i].of_node) break; if (macio_chips[i].of_node == node) - return; + goto out_put; } if (i >= MAX_MACIO_CHIPS) { printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n"); printk(KERN_ERR "pmac_feature: %pOF skipped\n", node); - return; + goto out_put; } addrp = of_get_pci_address(node, 0, &size, NULL); if (addrp == NULL) { printk(KERN_ERR "pmac_feature: %pOF: can't find base !\n", node); - return; + goto out_put; } addr = of_translate_address(node, addrp); if (addr == 0) { printk(KERN_ERR "pmac_feature: %pOF, can't translate base !\n", node); - return; + goto out_put; } base = ioremap(addr, (unsigned long)size); if (!base) { printk(KERN_ERR "pmac_feature: %pOF, can't map mac-io chip !\n", node); - return; + goto out_put; } if (type == macio_keylargo || type == macio_keylargo2) { const u32 *did = of_get_property(node, "device-id", NULL); @@ -2677,6 +2677,11 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ macio_chips[i].rev = *revp; printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n", macio_names[type], macio_chips[i].rev, macio_chips[i].base); + + return; + +out_put: + of_node_put(node); } static int __init diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index c1c430c66dc9e9..40f3aa432fbacd 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -627,6 +627,7 @@ static void __init kw_i2c_probe(void) if (parent == NULL) continue; chans = parent->name[0] == 'u' ? 2 : 1; + of_node_put(parent); for (i = 0; i < chans; i++) kw_i2c_add(host, np, np, i); } else { diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c index 9c2947a3edd5f4..085e0ad20eba58 100644 --- a/arch/powerpc/platforms/powermac/pfunc_base.c +++ b/arch/powerpc/platforms/powermac/pfunc_base.c @@ -136,6 +136,8 @@ static void __init macio_gpio_init_one(struct macio_chip *macio) for_each_child_of_node(gparent, gp) pmf_do_functions(gp, NULL, 0, PMF_FLAGS_ON_INIT, NULL); + of_node_put(gparent); + /* Note: We do not at this point implement the "at sleep" or "at wake" * functions. I yet to find any for GPIOs anyway */ diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index d9df45741ecefb..5b26a9012d2e2b 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -711,6 +711,7 @@ static void __init smp_core99_setup(int ncpus) printk(KERN_INFO "Processor timebase sync using" " platform function\n"); } + of_node_put(cpus); } #else /* CONFIG_PPC64 */ diff --git a/arch/powerpc/platforms/powermac/udbg_scc.c b/arch/powerpc/platforms/powermac/udbg_scc.c index 734df5a32f994f..1b7c39e841ee7d 100644 --- a/arch/powerpc/platforms/powermac/udbg_scc.c +++ b/arch/powerpc/platforms/powermac/udbg_scc.c @@ -81,10 +81,14 @@ void __init udbg_scc_init(int force_scc) if (path != NULL) stdout = of_find_node_by_path(path); for_each_child_of_node(escc, ch) { - if (ch == stdout) + if (ch == stdout) { + of_node_put(ch_def); ch_def = of_node_get(ch); - if (of_node_name_eq(ch, "ch-a")) + } + if (of_node_name_eq(ch, "ch-a")) { + of_node_put(ch_a); ch_a = of_node_get(ch); + } } if (ch_def == NULL && !force_scc) goto bail; diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index 6f94b808dd39ac..841cb7f31f4f4d 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -1411,7 +1411,7 @@ static int __init pnv_parse_cpuidle_dt(void) goto out; } for (i = 0; i < nr_idle_states; i++) - strlcpy(pnv_idle_states[i].name, temp_string[i], + strscpy(pnv_idle_states[i].name, temp_string[i], PNV_IDLE_NAME_LEN); nr_pnv_idle_states = nr_idle_states; rc = 0; @@ -1419,6 +1419,7 @@ out: kfree(temp_u32); kfree(temp_u64); kfree(temp_string); + of_node_put(np); return rc; } diff --git a/arch/powerpc/platforms/powernv/ocxl.c b/arch/powerpc/platforms/powernv/ocxl.c index 27c936075031a6..629067781cec04 100644 --- a/arch/powerpc/platforms/powernv/ocxl.c +++ b/arch/powerpc/platforms/powernv/ocxl.c @@ -478,10 +478,8 @@ EXPORT_SYMBOL_GPL(pnv_ocxl_spa_release); int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle) { struct spa_data *data = (struct spa_data *) platform_data; - int rc; - rc = opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle); - return rc; + return opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle); } EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe_from_cache); diff --git a/arch/powerpc/platforms/powernv/opal-core.c b/arch/powerpc/platforms/powernv/opal-core.c index adcb1a1a2bfe80..bb7657115f1d27 100644 --- a/arch/powerpc/platforms/powernv/opal-core.c +++ b/arch/powerpc/platforms/powernv/opal-core.c @@ -348,6 +348,8 @@ static int __init create_opalcore(void) if (!dn || ret) pr_warn("WARNING: Failed to read OPAL base & entry values\n"); + of_node_put(dn); + /* Use count to keep track of the program headers */ count = 0; diff --git a/arch/powerpc/platforms/powernv/opal-powercap.c b/arch/powerpc/platforms/powernv/opal-powercap.c index 64506b46e77bd1..7bfe4cbeb35a99 100644 --- a/arch/powerpc/platforms/powernv/opal-powercap.c +++ b/arch/powerpc/platforms/powernv/opal-powercap.c @@ -153,7 +153,7 @@ void __init opal_powercap_init(void) pcaps = kcalloc(of_get_child_count(powercap), sizeof(*pcaps), GFP_KERNEL); if (!pcaps) - return; + goto out_put_powercap; powercap_kobj = kobject_create_and_add("powercap", opal_kobj); if (!powercap_kobj) { @@ -226,6 +226,7 @@ void __init opal_powercap_init(void) } i++; } + of_node_put(powercap); return; @@ -236,6 +237,9 @@ out_pcaps_pattrs: kfree(pcaps[i].pg.name); } kobject_put(powercap_kobj); + of_node_put(node); out_pcaps: kfree(pcaps); +out_put_powercap: + of_node_put(powercap); } diff --git a/arch/powerpc/platforms/powernv/opal-psr.c b/arch/powerpc/platforms/powernv/opal-psr.c index 69d7e75950d135..6441e17b699659 100644 --- a/arch/powerpc/platforms/powernv/opal-psr.c +++ b/arch/powerpc/platforms/powernv/opal-psr.c @@ -135,7 +135,7 @@ void __init opal_psr_init(void) psr_attrs = kcalloc(of_get_child_count(psr), sizeof(*psr_attrs), GFP_KERNEL); if (!psr_attrs) - return; + goto out_put_psr; psr_kobj = kobject_create_and_add("psr", opal_kobj); if (!psr_kobj) { @@ -162,10 +162,14 @@ void __init opal_psr_init(void) } i++; } + of_node_put(psr); return; out_kobj: + of_node_put(node); kobject_put(psr_kobj); out: kfree(psr_attrs); +out_put_psr: + of_node_put(psr); } diff --git a/arch/powerpc/platforms/powernv/opal-sensor-groups.c b/arch/powerpc/platforms/powernv/opal-sensor-groups.c index 8fba7d25ae5657..9944376b115c5e 100644 --- a/arch/powerpc/platforms/powernv/opal-sensor-groups.c +++ b/arch/powerpc/platforms/powernv/opal-sensor-groups.c @@ -170,7 +170,7 @@ void __init opal_sensor_groups_init(void) sgs = kcalloc(of_get_child_count(sg), sizeof(*sgs), GFP_KERNEL); if (!sgs) - return; + goto out_sg_put; sg_kobj = kobject_create_and_add("sensor_groups", opal_kobj); if (!sg_kobj) { @@ -222,6 +222,7 @@ void __init opal_sensor_groups_init(void) } i++; } + of_node_put(sg); return; @@ -231,6 +232,9 @@ out_sgs_sgattrs: kfree(sgs[i].sg.attrs); } kobject_put(sg_kobj); + of_node_put(node); out_sgs: kfree(sgs); +out_sg_put: + of_node_put(sg); } diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index e5acc33b3b200b..0ed95f753416bf 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -57,7 +57,7 @@ opal_return: .long 0xa64b7b7d /* mthsrr1 r11 */ .long 0x2402004c /* hrfid */ #endif - ld r2,PACATOC(r13) + LOAD_PACA_TOC() ld r0,PPC_LR_STKOFF(r1) mtlr r0 blr diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 55a8fbfdb5b287..cdf3838f08d376 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -892,6 +892,7 @@ static void opal_export_attrs(void) kobj = kobject_create_and_add("exports", opal_kobj); if (!kobj) { pr_warn("kobject_create_and_add() of exports failed\n"); + of_node_put(np); return; } @@ -952,6 +953,8 @@ static void __init opal_imc_init_dev(void) np = of_find_compatible_node(NULL, NULL, IMC_DTB_COMPAT); if (np) of_platform_device_create(np, NULL, NULL); + + of_node_put(np); } static int kopald(void *unused) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 9de9b2fb163d35..5c144c05cbfd81 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -67,7 +67,7 @@ void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, vaf.va = &args; if (pe->flags & PNV_IODA_PE_DEV) - strlcpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix)); + strscpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix)); else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)) sprintf(pfix, "%04x:%02x ", pci_domain_nr(pe->pbus), pe->pbus->number); diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index dac545aa030824..61ab2d38ff4be9 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -17,6 +17,7 @@ #include <linux/console.h> #include <linux/delay.h> #include <linux/irq.h> +#include <linux/seq_buf.h> #include <linux/seq_file.h> #include <linux/of.h> #include <linux/of_fdt.h> @@ -207,8 +208,29 @@ static void __init pnv_setup_arch(void) pnv_rng_init(); } +static void __init pnv_add_hw_description(void) +{ + struct device_node *dn; + const char *s; + + dn = of_find_node_by_path("/ibm,opal/firmware"); + if (!dn) + return; + + if (of_property_read_string(dn, "version", &s) == 0 || + of_property_read_string(dn, "git-id", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "opal:%s ", s); + + if (of_property_read_string(dn, "mi-version", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "mi:%s ", s); + + of_node_put(dn); +} + static void __init pnv_init(void) { + pnv_add_hw_description(); + /* * Initialize the LPC bus now so that legacy serial * ports can be found on it diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index fb6499977f99a5..a3b4d99567cbec 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -23,13 +23,21 @@ config PPC_PSERIES select SWIOTLB default y +config PARAVIRT + bool + config PARAVIRT_SPINLOCKS bool +config PARAVIRT_TIME_ACCOUNTING + select PARAVIRT + bool + config PPC_SPLPAR bool "Support for shared-processor logical partitions" depends on PPC_PSERIES select PARAVIRT_SPINLOCKS if PPC_QUEUED_SPINLOCKS + select PARAVIRT_TIME_ACCOUNTING if VIRT_CPU_ACCOUNTING_GEN default y help Enabling this option will make the kernel run more efficiently diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index 352af5b14a0f7b..1b1977bc78e738 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -37,6 +37,15 @@ static u8 dtl_event_mask = DTL_LOG_ALL; static int dtl_buf_entries = N_DISPATCH_LOG; #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE + +/* + * When CONFIG_VIRT_CPU_ACCOUNTING_NATIVE = y, the cpu accounting code controls + * reading from the dispatch trace log. If other code wants to consume + * DTL entries, it can set this pointer to a function that will get + * called once for each DTL entry that gets processed. + */ +static void (*dtl_consumer)(struct dtl_entry *entry, u64 index); + struct dtl_ring { u64 write_index; struct dtl_entry *write_ptr; @@ -49,6 +58,78 @@ static DEFINE_PER_CPU(struct dtl_ring, dtl_rings); static atomic_t dtl_count; /* + * Scan the dispatch trace log and count up the stolen time. + * Should be called with interrupts disabled. + */ +static notrace u64 scan_dispatch_log(u64 stop_tb) +{ + u64 i = local_paca->dtl_ridx; + struct dtl_entry *dtl = local_paca->dtl_curr; + struct dtl_entry *dtl_end = local_paca->dispatch_log_end; + struct lppaca *vpa = local_paca->lppaca_ptr; + u64 tb_delta; + u64 stolen = 0; + u64 dtb; + + if (!dtl) + return 0; + + if (i == be64_to_cpu(vpa->dtl_idx)) + return 0; + while (i < be64_to_cpu(vpa->dtl_idx)) { + dtb = be64_to_cpu(dtl->timebase); + tb_delta = be32_to_cpu(dtl->enqueue_to_dispatch_time) + + be32_to_cpu(dtl->ready_to_enqueue_time); + barrier(); + if (i + N_DISPATCH_LOG < be64_to_cpu(vpa->dtl_idx)) { + /* buffer has overflowed */ + i = be64_to_cpu(vpa->dtl_idx) - N_DISPATCH_LOG; + dtl = local_paca->dispatch_log + (i % N_DISPATCH_LOG); + continue; + } + if (dtb > stop_tb) + break; + if (dtl_consumer) + dtl_consumer(dtl, i); + stolen += tb_delta; + ++i; + ++dtl; + if (dtl == dtl_end) + dtl = local_paca->dispatch_log; + } + local_paca->dtl_ridx = i; + local_paca->dtl_curr = dtl; + return stolen; +} + +/* + * Accumulate stolen time by scanning the dispatch trace log. + * Called on entry from user mode. + */ +void notrace pseries_accumulate_stolen_time(void) +{ + u64 sst, ust; + struct cpu_accounting_data *acct = &local_paca->accounting; + + sst = scan_dispatch_log(acct->starttime_user); + ust = scan_dispatch_log(acct->starttime); + acct->stime -= sst; + acct->utime -= ust; + acct->steal_time += ust + sst; +} + +u64 pseries_calculate_stolen_time(u64 stop_tb) +{ + if (!firmware_has_feature(FW_FEATURE_SPLPAR)) + return 0; + + if (get_paca()->dtl_ridx != be64_to_cpu(get_lppaca()->dtl_idx)) + return scan_dispatch_log(stop_tb); + + return 0; +} + +/* * The cpu accounting code controls the DTL ring buffer, and we get * given entries as they are processed. */ diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 0f8cd8b06432d2..e0a7ac5db15d9f 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -619,17 +619,21 @@ static ssize_t dlpar_cpu_add(u32 drc_index) static unsigned int pseries_cpuhp_cache_use_count(const struct device_node *cachedn) { unsigned int use_count = 0; - struct device_node *dn; + struct device_node *dn, *tn; WARN_ON(!of_node_is_type(cachedn, "cache")); for_each_of_cpu_node(dn) { - if (of_find_next_cache_node(dn) == cachedn) + tn = of_find_next_cache_node(dn); + of_node_put(tn); + if (tn == cachedn) use_count++; } for_each_node_by_type(dn, "cache") { - if (of_find_next_cache_node(dn) == cachedn) + tn = of_find_next_cache_node(dn); + of_node_put(tn); + if (tn == cachedn) use_count++; } @@ -649,10 +653,13 @@ static int pseries_cpuhp_detach_nodes(struct device_node *cpudn) dn = cpudn; while ((dn = of_find_next_cache_node(dn))) { - if (pseries_cpuhp_cache_use_count(dn) > 1) + if (pseries_cpuhp_cache_use_count(dn) > 1) { + of_node_put(dn); break; + } ret = of_changeset_detach_node(&cs, dn); + of_node_put(dn); if (ret) goto out; } diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index ab9fc65068617b..762eb15d3bd426 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -16,7 +16,7 @@ #ifdef CONFIG_TRACEPOINTS #ifndef CONFIG_JUMP_LABEL - .section ".toc","aw" + .data .globl hcall_tracepoint_refcount hcall_tracepoint_refcount: @@ -88,7 +88,7 @@ hcall_tracepoint_refcount: BEGIN_FTR_SECTION; \ b 1f; \ END_FTR_SECTION(0, 1); \ - ld r12,hcall_tracepoint_refcount@toc(r2); \ + LOAD_REG_ADDR(r12, hcall_tracepoint_refcount) ; \ std r12,32(r1); \ cmpdi r12,0; \ bne- LABEL; \ diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c index 96e18d3b2fcf5e..d48c9c7ce10f1c 100644 --- a/arch/powerpc/platforms/pseries/hvcserver.c +++ b/arch/powerpc/platforms/pseries/hvcserver.c @@ -176,7 +176,7 @@ int hvcs_get_partner_info(uint32_t unit_address, struct list_head *head, = (unsigned int)last_p_partition_ID; /* copy the Null-term char too */ - strlcpy(&next_partner_info->location_code[0], + strscpy(&next_partner_info->location_code[0], (char *)&pi_buff[2], sizeof(next_partner_info->location_code)); diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index 7ee3ed7d6cc211..a870cada7acd23 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -152,7 +152,11 @@ static const struct dma_map_ops ibmebus_dma_ops = { static int ibmebus_match_path(struct device *dev, const void *data) { struct device_node *dn = to_platform_device(dev)->dev.of_node; - return (of_find_node_by_path(data) == dn); + struct device_node *tn = of_find_node_by_path(data); + + of_node_put(tn); + + return (tn == dn); } static int ibmebus_match_node(struct device *dev, const void *data) diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index e6c117fb64913f..97ef6499e50191 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -660,6 +660,17 @@ static int __init vcpudispatch_stats_procfs_init(void) } machine_device_initcall(pseries, vcpudispatch_stats_procfs_init); + +#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING +u64 pseries_paravirt_steal_clock(int cpu) +{ + struct lppaca *lppaca = &lppaca_of(cpu); + + return be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) + + be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb)); +} +#endif + #endif /* CONFIG_PPC_SPLPAR */ void vpa_init(int cpu) diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index 3d36a8955eaf87..634fac5db3f98d 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -216,7 +216,7 @@ static int update_dt_node(struct device_node *dn, s32 scope) nprops = be32_to_cpu(upwa->nprops); /* On the first call to ibm,update-properties for a node the - * the first property value descriptor contains an empty + * first property value descriptor contains an empty * property name, the property value length encoded as u32, * and the property value is the node path being updated. */ @@ -740,11 +740,19 @@ static int pseries_migrate_partition(u64 handle) #ifdef CONFIG_PPC_WATCHDOG factor = nmi_wd_lpm_factor; #endif + /* + * When the migration is initiated, the hypervisor changes VAS + * mappings to prepare before OS gets the notification and + * closes all VAS windows. NX generates continuous faults during + * this time and the user space can not differentiate these + * faults from the migration event. So reduce this time window + * by closing VAS windows at the beginning of this function. + */ + vas_migration_handler(VAS_SUSPEND); + ret = wait_for_vasi_session_suspending(handle); if (ret) - return ret; - - vas_migration_handler(VAS_SUSPEND); + goto out; if (factor) watchdog_nmi_set_timeout_pct(factor); @@ -765,6 +773,7 @@ static int pseries_migrate_partition(u64 handle) if (factor) watchdog_nmi_set_timeout_pct(0); +out: vas_migration_handler(VAS_RESUME); return ret; diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index cad7a0c9311705..599bd2c7851444 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/notifier.h> #include <linux/proc_fs.h> +#include <linux/security.h> #include <linux/slab.h> #include <linux/of.h> @@ -361,6 +362,10 @@ static ssize_t ofdt_write(struct file *file, const char __user *buf, size_t coun char *kbuf; char *tmp; + rv = security_locked_down(LOCKDOWN_DEVICE_TREE); + if (rv) + return rv; + kbuf = memdup_user_nul(buf, count); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 489f4c4df468a1..8ef3270515a9b6 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -41,6 +41,7 @@ #include <linux/of_pci.h> #include <linux/memblock.h> #include <linux/swiotlb.h> +#include <linux/seq_buf.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -80,6 +81,20 @@ DEFINE_STATIC_KEY_FALSE(shared_processor); EXPORT_SYMBOL(shared_processor); +#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING +struct static_key paravirt_steal_enabled; +struct static_key paravirt_steal_rq_enabled; + +static bool steal_acc = true; +static int __init parse_no_stealacc(char *arg) +{ + steal_acc = false; + return 0; +} + +early_param("no-steal-acc", parse_no_stealacc); +#endif + int CMO_PrPSP = -1; int CMO_SecPSP = -1; unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K); @@ -834,6 +849,11 @@ static void __init pSeries_setup_arch(void) if (lppaca_shared_proc(get_lppaca())) { static_branch_enable(&shared_processor); pv_spinlocks_init(); +#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING + static_key_slow_inc(¶virt_steal_enabled); + if (steal_acc) + static_key_slow_inc(¶virt_steal_rq_enabled); +#endif } ppc_md.power_save = pseries_lpar_idle; @@ -992,6 +1012,33 @@ static void __init pSeries_cmo_feature_init(void) pr_debug(" <- fw_cmo_feature_init()\n"); } +static void __init pseries_add_hw_description(void) +{ + struct device_node *dn; + const char *s; + + dn = of_find_node_by_path("/openprom"); + if (dn) { + if (of_property_read_string(dn, "model", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "of:%s ", s); + + of_node_put(dn); + } + + dn = of_find_node_by_path("/hypervisor"); + if (dn) { + if (of_property_read_string(dn, "compatible", &s) == 0) + seq_buf_printf(&ppc_hw_desc, "hv:%s ", s); + + of_node_put(dn); + return; + } + + if (of_property_read_bool(of_root, "ibm,powervm-partition") || + of_property_read_bool(of_root, "ibm,fw-net-version")) + seq_buf_printf(&ppc_hw_desc, "hv:phyp "); +} + /* * Early initialization. Relocation is on but do not reference unbolted pages */ @@ -999,6 +1046,8 @@ static void __init pseries_init(void) { pr_debug(" -> pseries_init()\n"); + pseries_add_hw_description(); + #ifdef CONFIG_HVC_CONSOLE if (firmware_has_feature(FW_FEATURE_LPAR)) hvc_vio_init_early(); diff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c index 7e6e6dd2e33e9b..0e0524cbe20c94 100644 --- a/arch/powerpc/platforms/pseries/vas.c +++ b/arch/powerpc/platforms/pseries/vas.c @@ -333,7 +333,7 @@ static struct vas_window *vas_allocate_window(int vas_id, u64 flags, * So no unpacking needs to be done. */ rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, domain, - VPHN_FLAG_VCPU, smp_processor_id()); + VPHN_FLAG_VCPU, hard_smp_processor_id()); if (rc != H_SUCCESS) { pr_err("H_HOME_NODE_ASSOCIATIVITY error: %d\n", rc); goto out; @@ -501,14 +501,10 @@ static const struct vas_user_win_ops vops_pseries = { int vas_register_api_pseries(struct module *mod, enum vas_cop_type cop_type, const char *name) { - int rc; - if (!copypaste_feat) return -ENOTSUPP; - rc = vas_register_coproc_api(mod, cop_type, name, &vops_pseries); - - return rc; + return vas_register_coproc_api(mod, cop_type, name, &vops_pseries); } EXPORT_SYMBOL_GPL(vas_register_api_pseries); diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index ef9a5999fa93dd..73c2d70706c0ad 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -209,8 +209,10 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) dev_err(&pdev->dev, "node %pOF has an invalid fsl,msi phandle %u\n", hose->dn, np->phandle); + of_node_put(np); return -EINVAL; } + of_node_put(np); } msi_for_each_desc(entry, &pdev->dev, MSI_DESC_NOTASSOCIATED) { diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index af6c8ca824d399..974d3db6faab23 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -181,6 +181,7 @@ static int setup_one_atmu(struct ccsr_pci __iomem *pci, static bool is_kdump(void) { struct device_node *node; + bool ret; node = of_find_node_by_type(NULL, "memory"); if (!node) { @@ -188,7 +189,10 @@ static bool is_kdump(void) return false; } - return of_property_read_bool(node, "linux,usable-memory"); + ret = of_property_read_bool(node, "linux,usable-memory"); + of_node_put(node); + + return ret; } /* atmu setup for fsl pci/pcie controller */ @@ -939,7 +943,7 @@ u64 fsl_pci_immrbar_base(struct pci_controller *hose) return 0; } -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 static int mcheck_handle_load(struct pt_regs *regs, u32 inst) { unsigned int rd, ra, rb, d; @@ -1142,7 +1146,6 @@ void __init fsl_pci_assign_primary(void) for_each_matching_node(np, pci_ids) { if (of_device_is_available(np)) { fsl_pci_primary = np; - of_node_put(np); return; } } diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 4647c6074f3b8f..c8f044d62fe2e8 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -98,7 +98,7 @@ resource_size_t rio_law_start; struct fsl_rio_dbell *dbell; struct fsl_rio_pw *pw; -#ifdef CONFIG_E500 +#ifdef CONFIG_PPC_E500 int fsl_rio_mcheck_exception(struct pt_regs *regs) { const struct exception_table_entry *entry; diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index 698fefaaa6dd8a..a439e33eae0618 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -121,6 +121,7 @@ static unsigned int mpic_msgr_number_of_blocks(void) count += 1; } + of_node_put(aliases); } return count; @@ -144,12 +145,18 @@ static int mpic_msgr_block_number(struct device_node *node) for (index = 0; index < number_of_blocks; ++index) { struct property *prop; + struct device_node *tn; snprintf(buf, sizeof(buf), "mpic-msgr-block%d", index); prop = of_find_property(aliases, buf, NULL); - if (node == of_find_node_by_path(prop->value)) + tn = of_find_node_by_path(prop->value); + if (node == tn) { + of_node_put(tn); break; + } + of_node_put(tn); } + of_node_put(aliases); return index == number_of_blocks ? -1 : index; } diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c index 9e7007f9aca5cb..f8320f8e5bc79a 100644 --- a/arch/powerpc/sysdev/xics/ics-rtas.c +++ b/arch/powerpc/sysdev/xics/ics-rtas.c @@ -36,8 +36,8 @@ static void ics_rtas_unmask_irq(struct irq_data *d) server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0); - call_status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL, hw_irq, - server, DEFAULT_PRIORITY); + call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq, server, + DEFAULT_PRIORITY); if (call_status != 0) { printk(KERN_ERR "%s: ibm_set_xive irq %u server %x returned %d\n", @@ -46,7 +46,7 @@ static void ics_rtas_unmask_irq(struct irq_data *d) } /* Now unmask the interrupt (often a no-op) */ - call_status = rtas_call_reentrant(ibm_int_on, 1, 1, NULL, hw_irq); + call_status = rtas_call(ibm_int_on, 1, 1, NULL, hw_irq); if (call_status != 0) { printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n", __func__, hw_irq, call_status); @@ -68,7 +68,7 @@ static void ics_rtas_mask_real_irq(unsigned int hw_irq) if (hw_irq == XICS_IPI) return; - call_status = rtas_call_reentrant(ibm_int_off, 1, 1, NULL, hw_irq); + call_status = rtas_call(ibm_int_off, 1, 1, NULL, hw_irq); if (call_status != 0) { printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n", __func__, hw_irq, call_status); @@ -76,8 +76,8 @@ static void ics_rtas_mask_real_irq(unsigned int hw_irq) } /* Have to set XIVE to 0xff to be able to remove a slot */ - call_status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL, hw_irq, - xics_default_server, 0xff); + call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq, + xics_default_server, 0xff); if (call_status != 0) { printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n", __func__, hw_irq, call_status); @@ -108,7 +108,7 @@ static int ics_rtas_set_affinity(struct irq_data *d, if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS) return -1; - status = rtas_call_reentrant(ibm_get_xive, 1, 3, xics_status, hw_irq); + status = rtas_call(ibm_get_xive, 1, 3, xics_status, hw_irq); if (status) { printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", @@ -126,8 +126,8 @@ static int ics_rtas_set_affinity(struct irq_data *d, pr_debug("%s: irq %d [hw 0x%x] server: 0x%x\n", __func__, d->irq, hw_irq, irq_server); - status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL, - hw_irq, irq_server, xics_status[1]); + status = rtas_call(ibm_set_xive, 3, 1, NULL, + hw_irq, irq_server, xics_status[1]); if (status) { printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n", @@ -158,7 +158,7 @@ static int ics_rtas_check(struct ics *ics, unsigned int hw_irq) return -EINVAL; /* Check if RTAS knows about this interrupt */ - rc = rtas_call_reentrant(ibm_get_xive, 1, 3, status, hw_irq); + rc = rtas_call(ibm_get_xive, 1, 3, status, hw_irq); if (rc) return -ENXIO; @@ -174,7 +174,7 @@ static long ics_rtas_get_server(struct ics *ics, unsigned long vec) { int rc, status[2]; - rc = rtas_call_reentrant(ibm_get_xive, 1, 3, status, vec); + rc = rtas_call(ibm_get_xive, 1, 3, status, vec); if (rc) return -1; return status[0]; diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 61b9f98dfd4a4b..a289cb97c1d7b5 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -783,7 +783,7 @@ static int xive_irq_set_type(struct irq_data *d, unsigned int flow_type) * the corresponding descriptor bits mind you but those will in turn * affect the resend function when re-enabling an edge interrupt. * - * Set set the default to edge as explained in map(). + * Set the default to edge as explained in map(). */ if (flow_type == IRQ_TYPE_DEFAULT || flow_type == IRQ_TYPE_NONE) flow_type = IRQ_TYPE_EDGE_RISING; diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index d25d8c69290942..3925825954bcce 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -579,12 +579,12 @@ bool __init xive_native_init(void) /* Resource 1 is HV window */ if (of_address_to_resource(np, 1, &r)) { pr_err("Failed to get thread mgmnt area resource\n"); - return false; + goto err_put; } tima = ioremap(r.start, resource_size(&r)); if (!tima) { pr_err("Failed to map thread mgmnt area\n"); - return false; + goto err_put; } /* Read number of priorities */ @@ -612,7 +612,7 @@ bool __init xive_native_init(void) /* Resource 2 is OS window */ if (of_address_to_resource(np, 2, &r)) { pr_err("Failed to get thread mgmnt area resource\n"); - return false; + goto err_put; } xive_tima_os = r.start; @@ -624,7 +624,7 @@ bool __init xive_native_init(void) rc = opal_xive_reset(OPAL_XIVE_MODE_EXPL); if (rc) { pr_err("Switch to exploitation mode failed with error %lld\n", rc); - return false; + goto err_put; } /* Setup some dummy HV pool VPs */ @@ -634,10 +634,15 @@ bool __init xive_native_init(void) if (!xive_core_init(np, &xive_native_ops, tima, TM_QW3_HV_PHYS, max_prio)) { opal_xive_reset(OPAL_XIVE_MODE_EMU); - return false; + goto err_put; } + of_node_put(np); pr_info("Using %dkB queues\n", 1 << (xive_queue_shift - 10)); return true; + +err_put: + of_node_put(np); + return false; } static bool xive_native_provision_pages(void) diff --git a/arch/powerpc/xmon/ppc.h b/arch/powerpc/xmon/ppc.h index d00f33dcf192b9..1d98b8dd134efe 100644 --- a/arch/powerpc/xmon/ppc.h +++ b/arch/powerpc/xmon/ppc.h @@ -435,8 +435,6 @@ struct powerpc_macro extern const struct powerpc_macro powerpc_macros[]; extern const int powerpc_num_macros; -extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *); - static inline long ppc_optional_operand_value (const struct powerpc_operand *operand) { diff --git a/arch/powerpc/xmon/spr_access.S b/arch/powerpc/xmon/spr_access.S index 720a52afdd5813..c308ddf268fbc1 100644 --- a/arch/powerpc/xmon/spr_access.S +++ b/arch/powerpc/xmon/spr_access.S @@ -4,12 +4,12 @@ /* unsigned long xmon_mfspr(sprn, default_value) */ _GLOBAL(xmon_mfspr) - PPC_LL r5, .Lmfspr_table@got(r2) + LOAD_REG_ADDR(r5, .Lmfspr_table) b xmon_mxspr /* void xmon_mtspr(sprn, new_value) */ _GLOBAL(xmon_mtspr) - PPC_LL r5, .Lmtspr_table@got(r2) + LOAD_REG_ADDR(r5, .Lmtspr_table) b xmon_mxspr /* diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 26ef3388c24c49..f51c882bf9023a 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -195,7 +195,7 @@ static int do_spu_cmd(void); #ifdef CONFIG_44x static void dump_tlb_44x(void); #endif -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 static void dump_tlb_book3e(void); #endif @@ -288,11 +288,11 @@ Commands:\n\ t print backtrace\n\ x exit monitor and recover\n\ X exit monitor and don't recover\n" -#if defined(CONFIG_PPC64) && !defined(CONFIG_PPC_BOOK3E) +#if defined(CONFIG_PPC_BOOK3S_64) " u dump segment table or SLB\n" #elif defined(CONFIG_PPC_BOOK3S_32) " u dump segment registers\n" -#elif defined(CONFIG_44x) || defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_44x) || defined(CONFIG_PPC_BOOK3E_64) " u dump TLB\n" #endif " U show uptime information\n" @@ -1166,7 +1166,7 @@ cmds(struct pt_regs *excp) case 'u': dump_tlb_44x(); break; -#elif defined(CONFIG_PPC_BOOK3E) +#elif defined(CONFIG_PPC_BOOK3E_64) case 'u': dump_tlb_book3e(); break; @@ -2686,7 +2686,7 @@ static void dump_one_paca(int cpu) DUMP(p, rfi_flush_fallback_area, "%-*px"); #endif DUMP(p, dscr_default, "%#-*llx"); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 DUMP(p, pgd, "%-*px"); DUMP(p, kernel_pgd, "%-*px"); DUMP(p, tcd_ptr, "%-*px"); @@ -2701,7 +2701,7 @@ static void dump_one_paca(int cpu) DUMP(p, canary, "%#-*lx"); #endif DUMP(p, saved_r1, "%#-*llx"); -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 DUMP(p, trap_save, "%#-*x"); #endif DUMP(p, irq_soft_mask, "%#-*x"); @@ -3823,7 +3823,7 @@ static void dump_tlb_44x(void) } #endif /* CONFIG_44x */ -#ifdef CONFIG_PPC_BOOK3E +#ifdef CONFIG_PPC_BOOK3E_64 static void dump_tlb_book3e(void) { u32 mmucfg, pidmask, lpidmask; @@ -3965,7 +3965,7 @@ static void dump_tlb_book3e(void) } } } -#endif /* CONFIG_PPC_BOOK3E */ +#endif /* CONFIG_PPC_BOOK3E_64 */ static void xmon_init(int enable) { diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 61fe2ab910b88c..b8228ca4045447 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -317,19 +317,21 @@ static void do_attach(struct i2c_adapter *adapter) if (x.running || strncmp(adapter->name, "uni-n", 5)) return; + of_node_get(adapter->dev.of_node); np = of_find_compatible_node(adapter->dev.of_node, NULL, "MAC,ds1775"); if (np) { of_node_put(np); } else { - strlcpy(info.type, "MAC,ds1775", I2C_NAME_SIZE); + strscpy(info.type, "MAC,ds1775", I2C_NAME_SIZE); i2c_new_scanned_device(adapter, &info, scan_ds1775, NULL); } + of_node_get(adapter->dev.of_node); np = of_find_compatible_node(adapter->dev.of_node, NULL, "MAC,adm1030"); if (np) { of_node_put(np); } else { - strlcpy(info.type, "MAC,adm1030", I2C_NAME_SIZE); + strscpy(info.type, "MAC,adm1030", I2C_NAME_SIZE); i2c_new_scanned_device(adapter, &info, scan_adm1030, NULL); } } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 688922fc4edb07..76c3500b21c72e 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1935,10 +1935,10 @@ config BOOKE_WDT config BOOKE_WDT_DEFAULT_TIMEOUT int "PowerPC Book-E Watchdog Timer Default Timeout" depends on BOOKE_WDT - default 38 if PPC_FSL_BOOK3E - range 0 63 if PPC_FSL_BOOK3E - default 3 if !PPC_FSL_BOOK3E - range 0 3 if !PPC_FSL_BOOK3E + default 38 if PPC_E500 + range 0 63 if PPC_E500 + default 3 if !PPC_E500 + range 0 3 if !PPC_E500 help Select the default watchdog timer period to be used by the PowerPC Book-E watchdog driver. A watchdog "event" occurs when the bit diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index 75da5cd0261544..932a03f4436a35 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c @@ -27,7 +27,7 @@ */ -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 #define WDTP(x) ((((x)&0x3)<<30)|(((x)&0x3c)<<15)) #define WDTP_MASK (WDTP(0x3f)) #else @@ -45,7 +45,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -#ifdef CONFIG_PPC_FSL_BOOK3E +#ifdef CONFIG_PPC_E500 /* For the specified period, determine the number of seconds * corresponding to the reset time. There will be a watchdog @@ -88,7 +88,7 @@ static unsigned int sec_to_period(unsigned int secs) #define MAX_WDT_TIMEOUT period_to_sec(1) -#else /* CONFIG_PPC_FSL_BOOK3E */ +#else /* CONFIG_PPC_E500 */ static unsigned long long period_to_sec(unsigned int period) { @@ -102,7 +102,7 @@ static unsigned int sec_to_period(unsigned int secs) #define MAX_WDT_TIMEOUT 3 /* from Kconfig */ -#endif /* !CONFIG_PPC_FSL_BOOK3E */ +#endif /* !CONFIG_PPC_E500 */ static void __booke_wdt_set(void *data) { diff --git a/include/asm-generic/compat.h b/include/asm-generic/compat.h index d06308a2a7a8d9..aeb257ad3d1a6d 100644 --- a/include/asm-generic/compat.h +++ b/include/asm-generic/compat.h @@ -14,12 +14,17 @@ #define COMPAT_OFF_T_MAX 0x7fffffff #endif -#if !defined(compat_arg_u64) && !defined(CONFIG_CPU_BIG_ENDIAN) +#ifndef compat_arg_u64 +#ifdef CONFIG_CPU_BIG_ENDIAN #define compat_arg_u64(name) u32 name##_lo, u32 name##_hi #define compat_arg_u64_dual(name) u32, name##_lo, u32, name##_hi +#else +#define compat_arg_u64(name) u32 name##_hi, u32 name##_lo +#define compat_arg_u64_dual(name) u32, name##_hi, u32, name##_lo +#endif #define compat_arg_u64_glue(name) (((u64)name##_lo & 0xffffffffUL) | \ ((u64)name##_hi << 32)) -#endif +#endif /* compat_arg_u64 */ /* These types are common across all compat ABIs */ typedef u32 compat_size_t; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 3ec981a0d8b3a5..1ec1535be04f8f 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -17,7 +17,7 @@ struct ctl_table; struct user_struct; struct mmu_gather; -#ifndef is_hugepd +#ifndef CONFIG_ARCH_HAS_HUGEPD typedef struct { unsigned long pd; } hugepd_t; #define is_hugepd(hugepd) (0) #define __hugepd(x) ((hugepd_t) { (x) }) diff --git a/include/linux/security.h b/include/linux/security.h index 87fac3af6dad28..ca1b7109c0dbb8 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -114,6 +114,7 @@ enum lockdown_reason { LOCKDOWN_IOPORT, LOCKDOWN_MSR, LOCKDOWN_ACPI_TABLES, + LOCKDOWN_DEVICE_TREE, LOCKDOWN_PCMCIA_CIS, LOCKDOWN_TIOCSSERIAL, LOCKDOWN_MODULE_PARAMETERS, @@ -122,6 +123,7 @@ enum lockdown_reason { LOCKDOWN_XMON_WR, LOCKDOWN_BPF_WRITE_USER, LOCKDOWN_DBG_WRITE_KERNEL, + LOCKDOWN_RTAS_ERROR_INJECTION, LOCKDOWN_INTEGRITY_MAX, LOCKDOWN_KCORE, LOCKDOWN_KPROBES, diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h index 4b57bbba588afd..8ce066c035cfa7 100644 --- a/include/math-emu/op-common.h +++ b/include/math-emu/op-common.h @@ -662,12 +662,14 @@ do { \ if (X##_e < 0) \ { \ FP_SET_EXCEPTION(FP_EX_INEXACT); \ + fallthrough; \ case FP_CLS_ZERO: \ r = 0; \ } \ else if (X##_e >= rsize - (rsigned > 0 || X##_s) \ || (!rsigned && X##_s)) \ { /* overflow */ \ + fallthrough; \ case FP_CLS_NAN: \ case FP_CLS_INF: \ if (rsigned == 2) \ @@ -767,6 +769,7 @@ do { \ if (X##_e >= rsize - (rsigned > 0 || X##_s) \ || (!rsigned && X##_s)) \ { /* overflow */ \ + fallthrough; \ case FP_CLS_NAN: \ case FP_CLS_INF: \ if (!rsigned) \ diff --git a/init/Kconfig b/init/Kconfig index a078cb02652363..751ca3dd1d2244 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -473,8 +473,7 @@ config VIRT_CPU_ACCOUNTING choice prompt "Cputime accounting" - default TICK_CPU_ACCOUNTING if !PPC64 - default VIRT_CPU_ACCOUNTING_NATIVE if PPC64 + default TICK_CPU_ACCOUNTING # Kind of a stub config for the pure tick based cputime accounting config TICK_CPU_ACCOUNTING diff --git a/security/security.c b/security/security.c index 8312b3bf1169ca..79d82cb6e4696c 100644 --- a/security/security.c +++ b/security/security.c @@ -52,6 +52,7 @@ const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = { [LOCKDOWN_IOPORT] = "raw io port access", [LOCKDOWN_MSR] = "raw MSR access", [LOCKDOWN_ACPI_TABLES] = "modifying ACPI tables", + [LOCKDOWN_DEVICE_TREE] = "modifying device tree contents", [LOCKDOWN_PCMCIA_CIS] = "direct PCMCIA CIS storage", [LOCKDOWN_TIOCSSERIAL] = "reconfiguration of serial port IO", [LOCKDOWN_MODULE_PARAMETERS] = "unsafe module parameters", @@ -60,6 +61,7 @@ const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = { [LOCKDOWN_XMON_WR] = "xmon write access", [LOCKDOWN_BPF_WRITE_USER] = "use of bpf to write user RAM", [LOCKDOWN_DBG_WRITE_KERNEL] = "use of kgdb/kdb to write kernel RAM", + [LOCKDOWN_RTAS_ERROR_INJECTION] = "RTAS error injection", [LOCKDOWN_INTEGRITY_MAX] = "integrity", [LOCKDOWN_KCORE] = "/proc/kcore access", [LOCKDOWN_KPROBES] = "use of kprobes", diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl index 2600b4237292c7..2bca64f96164af 100644 --- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl +++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl @@ -110,7 +110,7 @@ 79 common settimeofday sys_settimeofday compat_sys_settimeofday 80 common getgroups sys_getgroups 81 common setgroups sys_setgroups -82 32 select ppc_select sys_ni_syscall +82 32 select sys_old_select compat_sys_old_select 82 64 select sys_ni_syscall 82 spu select sys_ni_syscall 83 common symlink sys_symlink @@ -178,9 +178,9 @@ 133 common fchdir sys_fchdir 134 common bdflush sys_ni_syscall 135 common sysfs sys_sysfs -136 32 personality sys_personality ppc64_personality -136 64 personality ppc64_personality -136 spu personality ppc64_personality +136 32 personality sys_personality compat_sys_ppc64_personality +136 64 personality sys_ppc64_personality +136 spu personality sys_ppc64_personality 137 common afs_syscall sys_ni_syscall 138 common setfsuid sys_setfsuid 139 common setfsgid sys_setfsgid @@ -228,8 +228,8 @@ 176 64 rt_sigtimedwait sys_rt_sigtimedwait 177 nospu rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo 178 nospu rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend -179 common pread64 sys_pread64 compat_sys_pread64 -180 common pwrite64 sys_pwrite64 compat_sys_pwrite64 +179 common pread64 sys_pread64 compat_sys_ppc_pread64 +180 common pwrite64 sys_pwrite64 compat_sys_ppc_pwrite64 181 common chown sys_chown 182 common getcwd sys_getcwd 183 common capget sys_capget @@ -242,10 +242,10 @@ 188 common putpmsg sys_ni_syscall 189 nospu vfork sys_vfork 190 common ugetrlimit sys_getrlimit compat_sys_getrlimit -191 common readahead sys_readahead compat_sys_readahead +191 common readahead sys_readahead compat_sys_ppc_readahead 192 32 mmap2 sys_mmap2 compat_sys_mmap2 -193 32 truncate64 sys_truncate64 compat_sys_truncate64 -194 32 ftruncate64 sys_ftruncate64 compat_sys_ftruncate64 +193 32 truncate64 sys_truncate64 compat_sys_ppc_truncate64 +194 32 ftruncate64 sys_ftruncate64 compat_sys_ppc_ftruncate64 195 32 stat64 sys_stat64 196 32 lstat64 sys_lstat64 197 32 fstat64 sys_fstat64 @@ -288,7 +288,7 @@ 230 common io_submit sys_io_submit compat_sys_io_submit 231 common io_cancel sys_io_cancel 232 nospu set_tid_address sys_set_tid_address -233 common fadvise64 sys_fadvise64 ppc32_fadvise64 +233 common fadvise64 sys_fadvise64 compat_sys_ppc32_fadvise64 234 nospu exit_group sys_exit_group 235 nospu lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie 236 common epoll_create sys_epoll_create @@ -323,7 +323,7 @@ 251 spu utimes sys_utimes 252 common statfs64 sys_statfs64 compat_sys_statfs64 253 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 -254 32 fadvise64_64 ppc_fadvise64_64 +254 32 fadvise64_64 sys_ppc_fadvise64_64 254 spu fadvise64_64 sys_ni_syscall 255 common rtas sys_rtas 256 32 sys_debug_setcontext sys_debug_setcontext sys_ni_syscall @@ -390,7 +390,7 @@ 305 common signalfd sys_signalfd compat_sys_signalfd 306 common timerfd_create sys_timerfd_create 307 common eventfd sys_eventfd -308 common sync_file_range2 sys_sync_file_range2 compat_sys_sync_file_range2 +308 common sync_file_range2 sys_sync_file_range2 compat_sys_ppc_sync_file_range2 309 nospu fallocate sys_fallocate compat_sys_fallocate 310 nospu subpage_prot sys_subpage_prot 311 32 timerfd_settime sys_timerfd_settime32 diff --git a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c index 6b415683357b5e..580fcac0a09f31 100644 --- a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c +++ b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c @@ -12,7 +12,7 @@ static int test_gettimeofday(void) { int i; - struct timeval tv_start, tv_end; + struct timeval tv_start, tv_end, tv_diff; gettimeofday(&tv_start, NULL); @@ -20,7 +20,9 @@ static int test_gettimeofday(void) gettimeofday(&tv_end, NULL); } - printf("time = %.6f\n", tv_end.tv_sec - tv_start.tv_sec + (tv_end.tv_usec - tv_start.tv_usec) * 1e-6); + timersub(&tv_start, &tv_end, &tv_diff); + + printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6); return 0; } diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile index 27dc09d0bfeed2..19dd0b2ea39740 100644 --- a/tools/testing/selftests/powerpc/mm/Makefile +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -3,7 +3,7 @@ noarg: $(MAKE) -C ../ TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors wild_bctr \ - large_vm_fork_separation bad_accesses pkey_exec_prot \ + large_vm_fork_separation bad_accesses exec_prot pkey_exec_prot \ pkey_siginfo stack_expansion_signal stack_expansion_ldst \ large_vm_gpr_corruption TEST_PROGS := stress_code_patching.sh @@ -22,6 +22,7 @@ $(OUTPUT)/wild_bctr: CFLAGS += -m64 $(OUTPUT)/large_vm_fork_separation: CFLAGS += -m64 $(OUTPUT)/large_vm_gpr_corruption: CFLAGS += -m64 $(OUTPUT)/bad_accesses: CFLAGS += -m64 +$(OUTPUT)/exec_prot: CFLAGS += -m64 $(OUTPUT)/pkey_exec_prot: CFLAGS += -m64 $(OUTPUT)/pkey_siginfo: CFLAGS += -m64 diff --git a/tools/testing/selftests/powerpc/mm/exec_prot.c b/tools/testing/selftests/powerpc/mm/exec_prot.c new file mode 100644 index 00000000000000..db75b2225de19c --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/exec_prot.c @@ -0,0 +1,231 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright 2022, Nicholas Miehlbradt, IBM Corporation + * based on pkey_exec_prot.c + * + * Test if applying execute protection on pages works as expected. + */ + +#define _GNU_SOURCE +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> + +#include <unistd.h> +#include <sys/mman.h> + +#include "pkeys.h" + + +#define PPC_INST_NOP 0x60000000 +#define PPC_INST_TRAP 0x7fe00008 +#define PPC_INST_BLR 0x4e800020 + +static volatile sig_atomic_t fault_code; +static volatile sig_atomic_t remaining_faults; +static volatile unsigned int *fault_addr; +static unsigned long pgsize, numinsns; +static unsigned int *insns; +static bool pkeys_supported; + +static bool is_fault_expected(int fault_code) +{ + if (fault_code == SEGV_ACCERR) + return true; + + /* Assume any pkey error is fine since pkey_exec_prot test covers them */ + if (fault_code == SEGV_PKUERR && pkeys_supported) + return true; + + return false; +} + +static void trap_handler(int signum, siginfo_t *sinfo, void *ctx) +{ + /* Check if this fault originated from the expected address */ + if (sinfo->si_addr != (void *)fault_addr) + sigsafe_err("got a fault for an unexpected address\n"); + + _exit(1); +} + +static void segv_handler(int signum, siginfo_t *sinfo, void *ctx) +{ + fault_code = sinfo->si_code; + + /* Check if this fault originated from the expected address */ + if (sinfo->si_addr != (void *)fault_addr) { + sigsafe_err("got a fault for an unexpected address\n"); + _exit(1); + } + + /* Check if too many faults have occurred for a single test case */ + if (!remaining_faults) { + sigsafe_err("got too many faults for the same address\n"); + _exit(1); + } + + + /* Restore permissions in order to continue */ + if (is_fault_expected(fault_code)) { + if (mprotect(insns, pgsize, PROT_READ | PROT_WRITE | PROT_EXEC)) { + sigsafe_err("failed to set access permissions\n"); + _exit(1); + } + } else { + sigsafe_err("got a fault with an unexpected code\n"); + _exit(1); + } + + remaining_faults--; +} + +static int check_exec_fault(int rights) +{ + /* + * Jump to the executable region. + * + * The first iteration also checks if the overwrite of the + * first instruction word from a trap to a no-op succeeded. + */ + fault_code = -1; + remaining_faults = 0; + if (!(rights & PROT_EXEC)) + remaining_faults = 1; + + FAIL_IF(mprotect(insns, pgsize, rights) != 0); + asm volatile("mtctr %0; bctrl" : : "r"(insns)); + + FAIL_IF(remaining_faults != 0); + if (!(rights & PROT_EXEC)) + FAIL_IF(!is_fault_expected(fault_code)); + + return 0; +} + +static int test(void) +{ + struct sigaction segv_act, trap_act; + int i; + + /* Skip the test if the CPU doesn't support Radix */ + SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_00)); + + /* Check if pkeys are supported */ + pkeys_supported = pkeys_unsupported() == 0; + + /* Setup SIGSEGV handler */ + segv_act.sa_handler = 0; + segv_act.sa_sigaction = segv_handler; + FAIL_IF(sigprocmask(SIG_SETMASK, 0, &segv_act.sa_mask) != 0); + segv_act.sa_flags = SA_SIGINFO; + segv_act.sa_restorer = 0; + FAIL_IF(sigaction(SIGSEGV, &segv_act, NULL) != 0); + + /* Setup SIGTRAP handler */ + trap_act.sa_handler = 0; + trap_act.sa_sigaction = trap_handler; + FAIL_IF(sigprocmask(SIG_SETMASK, 0, &trap_act.sa_mask) != 0); + trap_act.sa_flags = SA_SIGINFO; + trap_act.sa_restorer = 0; + FAIL_IF(sigaction(SIGTRAP, &trap_act, NULL) != 0); + + /* Setup executable region */ + pgsize = getpagesize(); + numinsns = pgsize / sizeof(unsigned int); + insns = (unsigned int *)mmap(NULL, pgsize, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + FAIL_IF(insns == MAP_FAILED); + + /* Write the instruction words */ + for (i = 1; i < numinsns - 1; i++) + insns[i] = PPC_INST_NOP; + + /* + * Set the first instruction as an unconditional trap. If + * the last write to this address succeeds, this should + * get overwritten by a no-op. + */ + insns[0] = PPC_INST_TRAP; + + /* + * Later, to jump to the executable region, we use a branch + * and link instruction (bctrl) which sets the return address + * automatically in LR. Use that to return back. + */ + insns[numinsns - 1] = PPC_INST_BLR; + + /* + * Pick the first instruction's address from the executable + * region. + */ + fault_addr = insns; + + /* + * Read an instruction word from the address when the page + * is execute only. This should generate an access fault. + */ + fault_code = -1; + remaining_faults = 1; + printf("Testing read on --x, should fault..."); + FAIL_IF(mprotect(insns, pgsize, PROT_EXEC) != 0); + i = *fault_addr; + FAIL_IF(remaining_faults != 0 || !is_fault_expected(fault_code)); + printf("ok!\n"); + + /* + * Write an instruction word to the address when the page + * execute only. This should also generate an access fault. + */ + fault_code = -1; + remaining_faults = 1; + printf("Testing write on --x, should fault..."); + FAIL_IF(mprotect(insns, pgsize, PROT_EXEC) != 0); + *fault_addr = PPC_INST_NOP; + FAIL_IF(remaining_faults != 0 || !is_fault_expected(fault_code)); + printf("ok!\n"); + + printf("Testing exec on ---, should fault..."); + FAIL_IF(check_exec_fault(PROT_NONE)); + printf("ok!\n"); + + printf("Testing exec on r--, should fault..."); + FAIL_IF(check_exec_fault(PROT_READ)); + printf("ok!\n"); + + printf("Testing exec on -w-, should fault..."); + FAIL_IF(check_exec_fault(PROT_WRITE)); + printf("ok!\n"); + + printf("Testing exec on rw-, should fault..."); + FAIL_IF(check_exec_fault(PROT_READ | PROT_WRITE)); + printf("ok!\n"); + + printf("Testing exec on --x, should succeed..."); + FAIL_IF(check_exec_fault(PROT_EXEC)); + printf("ok!\n"); + + printf("Testing exec on r-x, should succeed..."); + FAIL_IF(check_exec_fault(PROT_READ | PROT_EXEC)); + printf("ok!\n"); + + printf("Testing exec on -wx, should succeed..."); + FAIL_IF(check_exec_fault(PROT_WRITE | PROT_EXEC)); + printf("ok!\n"); + + printf("Testing exec on rwx, should succeed..."); + FAIL_IF(check_exec_fault(PROT_READ | PROT_WRITE | PROT_EXEC)); + printf("ok!\n"); + + /* Cleanup */ + FAIL_IF(munmap((void *)insns, pgsize)); + + return 0; +} + +int main(void) +{ + return test_harness(test, "exec_prot"); +} diff --git a/tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c b/tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c index 927bfae99ed90b..7da515f1da723c 100644 --- a/tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c +++ b/tools/testing/selftests/powerpc/mm/large_vm_gpr_corruption.c @@ -112,6 +112,8 @@ static int test(void) // This tests a hash MMU specific bug. FAIL_IF(using_hash_mmu(&hash_mmu)); SKIP_IF(!hash_mmu); + // 4K kernels don't support 4PB address space + SKIP_IF(sysconf(_SC_PAGESIZE) < 65536); page_size = sysconf(_SC_PAGESIZE); diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/bhrb_filter_map_test.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/bhrb_filter_map_test.c index 8182647c63c870..3f43c315c66641 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/bhrb_filter_map_test.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/bhrb_filter_map_test.c @@ -96,6 +96,15 @@ static int bhrb_filter_map_test(void) } } + /* + * Combine filter maps which includes a valid branch filter and an invalid branch + * filter. Example: any ( PERF_SAMPLE_BRANCH_ANY) and any_call + * (PERF_SAMPLE_BRANCH_ANY_CALL). + * The perf_event_open should fail in this case. + */ + event.attr.branch_sample_type = PERF_SAMPLE_BRANCH_ANY | PERF_SAMPLE_BRANCH_ANY_CALL; + FAIL_IF(!event_open(&event)); + return 0; } |