acpi: automatically generated ssdt proc

Get rid of manually cut and pasted ssdt_proc,
use ssdt compiled by iasl and offsets extracted
by acpi_extract instead.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

5 files changed, 65 insertions, 34 deletions

diff --git a/Makefile b/Makefile
index 7a06d67..91d9b77 100644
--- a/Makefile
+++ b/Makefile
@@ -200,7 +200,7 @@ src/%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py
 	$(Q)./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off
 	$(Q)cat $(OUT)$*.hex $(OUT)$*.off > $@
 
-$(OUT)ccode32flat.o: src/acpi-dsdt.hex
+$(OUT)ccode32flat.o: src/acpi-dsdt.hex src/ssdt-proc.hex
 
 ####### Kconfig rules
 export HOSTCC             := $(CC)
diff --git a/src/acpi-dsdt.hex b/src/acpi-dsdt.hex
index 34fa269..f894a5f 100644
--- a/src/acpi-dsdt.hex
+++ b/src/acpi-dsdt.hex
@@ -5,7 +5,7 @@
  * Copyright (c) 2000 - 2010 Intel Corporation
  * Supports ACPI Specification Revision 4.0a
  * 
- * Compilation of "out/acpi-dsdt.dsl.i" - Wed Oct 12 21:10:28 2011
+ * Compilation of "out/acpi-dsdt.dsl.i" - Wed Oct 12 21:14:18 2011
  * 
  * C source code output
  * AML code block contains 0x1B72 bytes
diff --git a/src/acpi.c b/src/acpi.c
index 3d8b7c8..27a939e 100644
--- a/src/acpi.c
+++ b/src/acpi.c
@@ -366,23 +366,16 @@ encodeLen(u8 *ssdt_ptr, int length, int bytes)
     return ssdt_ptr + bytes;
 }
 
-// AML Processor() object.  See src/ssdt-proc.dsl for info.
-static unsigned char ssdt_proc[] = {
-    0x5b,0x83,0x42,0x05,0x43,0x50,0x41,0x41,
-    0xaa,0x10,0xb0,0x00,0x00,0x06,0x08,0x49,
-    0x44,0x5f,0x5f,0x0a,0xaa,0x08,0x5f,0x48,
-    0x49,0x44,0x0d,0x41,0x43,0x50,0x49,0x30,
-    0x30,0x30,0x37,0x00,0x14,0x0f,0x5f,0x4d,
-    0x41,0x54,0x00,0xa4,0x43,0x50,0x4d,0x41,
-    0x49,0x44,0x5f,0x5f,0x14,0x0f,0x5f,0x53,
-    0x54,0x41,0x00,0xa4,0x43,0x50,0x53,0x54,
-    0x49,0x44,0x5f,0x5f,0x14,0x0f,0x5f,0x45,
-    0x4a,0x30,0x01,0x43,0x50,0x45,0x4a,0x49,
-    0x44,0x5f,0x5f,0x68
-};
-#define SD_OFFSET_CPUHEX 6
-#define SD_OFFSET_CPUID1 8
-#define SD_OFFSET_CPUID2 20
+#define AmlCode static ssdp_proc_aml
+#include "ssdt-proc.hex"
+#undef AmlCode
+
+/* 0x5B 0x83 ProcessorOp PkgLength NameString ProcID */
+#define SD_OFFSET_CPUHEX (*ssdt_proc_name - *ssdt_proc_start + 2)
+#define SD_OFFSET_CPUID1 (*ssdt_proc_name - *ssdt_proc_start + 4)
+#define SD_OFFSET_CPUID2 (*ssdt_proc_id - *ssdt_proc_start)
+#define SD_SIZEOF (*ssdt_proc_end - *ssdt_proc_start)
+#define SD_PROC (ssdp_proc_aml + *ssdt_proc_start)
 
 #define SSDT_SIGNATURE 0x54445353 // SSDT
 static void*
@@ -391,7 +384,7 @@ build_ssdt(void)
     int acpi_cpus = MaxCountCPUs > 0xff ? 0xff : MaxCountCPUs;
     // length = ScopeOp + procs + NTYF method + CPON package
     int length = ((1+3+4)
-                  + (acpi_cpus * sizeof(ssdt_proc))
+                  + (acpi_cpus * SD_SIZEOF)
                   + (1+2+5+(12*acpi_cpus))
                   + (6+2+1+(1*acpi_cpus)));
     u8 *ssdt = malloc_high(sizeof(struct acpi_table_header) + length);
@@ -412,12 +405,12 @@ build_ssdt(void)
     // build Processor object for each processor
     int i;
     for (i=0; i<acpi_cpus; i++) {
-        memcpy(ssdt_ptr, ssdt_proc, sizeof(ssdt_proc));
+        memcpy(ssdt_ptr, SD_PROC, SD_SIZEOF);
         ssdt_ptr[SD_OFFSET_CPUHEX] = getHex(i >> 4);
         ssdt_ptr[SD_OFFSET_CPUHEX+1] = getHex(i);
         ssdt_ptr[SD_OFFSET_CPUID1] = i;
         ssdt_ptr[SD_OFFSET_CPUID2] = i;
-        ssdt_ptr += sizeof(ssdt_proc);
+        ssdt_ptr += SD_SIZEOF;
     }
 
     // build "Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...}"
diff --git a/src/ssdt-proc.dsl b/src/ssdt-proc.dsl
index 358afa8..a461636 100644
--- a/src/ssdt-proc.dsl
+++ b/src/ssdt-proc.dsl
@@ -1,16 +1,9 @@
-/* This file is the basis for the ssdt_proc[] variable in src/acpi.c.
+/* This file is the basis for the ssdt table generated in src/acpi.c.
  * It defines the contents of the per-cpu Processor() object.  At
  * runtime, a dynamically generated SSDT will contain one copy of this
  * AML snippet for every possible cpu in the system.  The objects will
  * be placed in the \_SB_ namespace.
  *
- * To generate a new ssdt_proc[], run the commands:
- *   cpp -P src/ssdt-proc.dsl > out/ssdt-proc.dsl.i
- *   iasl -ta -p out/ssdt-proc out/ssdt-proc.dsl.i
- *   tail -c +37 < out/ssdt-proc.aml | hexdump -e '"    " 8/1 "0x%02x," "\n"'
- * and then cut-and-paste the output into the src/acpi.c ssdt_proc[]
- * array.
- *
  * In addition to the aml code generated from this file, the
  * src/acpi.c file creates a NTFY method with an entry for each cpu:
  *     Method(NTFY, 2) {
@@ -22,13 +15,15 @@
  *     Name(CPON, Package() { One, One, ..., Zero, Zero, ... })
  */
 DefinitionBlock ("ssdt-proc.aml", "SSDT", 0x01, "BXPC", "BXSSDT", 0x1)
-/*  v------------------ DO NOT EDIT ------------------v */
 {
+    ACPI_EXTRACT_PROCESSOR_START ssdt_proc_start
+    ACPI_EXTRACT_PROCESSOR_END ssdt_proc_end
+    ACPI_EXTRACT_PROCESSOR_STRING ssdt_proc_name
     Processor (CPAA, 0xAA, 0x0000b010, 0x06) {
+        ACPI_EXTRACT_NAME_BYTE_CONST ssdt_proc_id
         Name (ID, 0xAA)
-/*  ^------------------ DO NOT EDIT ------------------^
- *
- * The src/acpi.c code requires the above layout so that it can update
+/*
+ * The src/acpi.c code requires the above ACP_EXTRACT tags so that it can update
  * CPAA and 0xAA with the appropriate CPU id (see
  * SD_OFFSET_CPUHEX/CPUID1/CPUID2).  Don't change the above without
  * also updating the C code.
diff --git a/src/ssdt-proc.hex b/src/ssdt-proc.hex
new file mode 100644
index 0000000..fb9ae06
--- /dev/null
+++ b/src/ssdt-proc.hex
@@ -0,0 +1,43 @@
+/*
+ * 
+ * Intel ACPI Component Architecture
+ * ASL Optimizing Compiler version 20100528 [Feb  9 2011]
+ * Copyright (c) 2000 - 2010 Intel Corporation
+ * Supports ACPI Specification Revision 4.0a
+ * 
+ * Compilation of "out/ssdt-proc.dsl.i" - Wed Oct 12 21:14:18 2011
+ * 
+ * C source code output
+ * AML code block contains 0x78 bytes
+ *
+ */
+unsigned char AmlCode[] =
+{
+    0x53,0x53,0x44,0x54,0x78,0x00,0x00,0x00,  /* 00000000    "SSDTx..." */
+    0x01,0xB3,0x42,0x58,0x50,0x43,0x00,0x00,  /* 00000008    "..BXPC.." */
+    0x42,0x58,0x53,0x53,0x44,0x54,0x00,0x00,  /* 00000010    "BXSSDT.." */
+    0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C,  /* 00000018    "....INTL" */
+    0x28,0x05,0x10,0x20,0x5B,0x83,0x42,0x05,  /* 00000020    "(.. [.B." */
+    0x43,0x50,0x41,0x41,0xAA,0x10,0xB0,0x00,  /* 00000028    "CPAA...." */
+    0x00,0x06,0x08,0x49,0x44,0x5F,0x5F,0x0A,  /* 00000030    "...ID__." */
+    0xAA,0x08,0x5F,0x48,0x49,0x44,0x0D,0x41,  /* 00000038    ".._HID.A" */
+    0x43,0x50,0x49,0x30,0x30,0x30,0x37,0x00,  /* 00000040    "CPI0007." */
+    0x14,0x0F,0x5F,0x4D,0x41,0x54,0x00,0xA4,  /* 00000048    ".._MAT.." */
+    0x43,0x50,0x4D,0x41,0x49,0x44,0x5F,0x5F,  /* 00000050    "CPMAID__" */
+    0x14,0x0F,0x5F,0x53,0x54,0x41,0x00,0xA4,  /* 00000058    ".._STA.." */
+    0x43,0x50,0x53,0x54,0x49,0x44,0x5F,0x5F,  /* 00000060    "CPSTID__" */
+    0x14,0x0F,0x5F,0x45,0x4A,0x30,0x01,0x43,  /* 00000068    ".._EJ0.C" */
+    0x50,0x45,0x4A,0x49,0x44,0x5F,0x5F,0x68   /* 00000070    "PEJID__h" */
+};
+static unsigned char ssdt_proc_id[] = {
+0x38
+};
+static unsigned char ssdt_proc_name[] = {
+0x28
+};
+static unsigned char ssdt_proc_end[] = {
+0x78
+};
+static unsigned char ssdt_proc_start[] = {
+0x24
+};