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authorClément Léger <cleger@rivosinc.com>2023-11-14 09:12:55 -0500
committerPalmer Dabbelt <palmer@rivosinc.com>2023-12-12 15:45:16 -0800
commitdc6ccb21f42ce5b3e4df6f52e14edab721e1b26e (patch)
treeabeeb1eba383d2bce98240983fb7dff7489ade58 /Documentation/arch
parentfe987e84b0120e2b41db69ed4ede166797aa8d2e (diff)
downloadlinux-dc6ccb21f42ce5b3e4df6f52e14edab721e1b26e.tar.gz
riscv: hwprobe: export Zfa ISA extension
Export Zfa ISA extension[1] through hwprobe. Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1] Signed-off-by: Clément Léger <cleger@rivosinc.com> Reviewed-by: Evan Green <evan@rivosinc.com> Link: https://lore.kernel.org/r/20231114141256.126749-20-cleger@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'Documentation/arch')
-rw-r--r--Documentation/arch/riscv/hwprobe.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index 896ecfbbe5f471..41463b93226892 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -157,6 +157,10 @@ The following keys are defined:
defined in the RISC-V Vector manual starting from commit e2ccd0548d6c
("Remove draft warnings from Zvfh[min]").
+ * :c:macro:`RISCV_HWPROBE_EXT_ZFA`: The Zfa extension is supported as
+ defined in the RISC-V ISA manual starting from commit 056b6ff467c7
+ ("Zfa is ratified").
+
* :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance
information about the selected set of processors.