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riscv: Add ISA extension parsing for Svvptc

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Add support to parse the Svvptc string in the riscv,isa string.

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240717060125.139416-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2024-07-17 08:01:22 +02:00 committed by Palmer Dabbelt
parent 1613e604df
commit a6efe33cc5
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2 changed files with 2 additions and 0 deletions
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1
arch/riscv/include/asm/hwcap.h
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@ -81,6 +81,7 @@
#define RISCV_ISA_EXT_ZTSO 72
#define RISCV_ISA_EXT_ZACAS 73
#define RISCV_ISA_EXT_XANDESPMU 74
#define RISCV_ISA_EXT_SVVPTC 75
#define RISCV_ISA_EXT_XLINUXENVCFG 127

1
arch/riscv/kernel/cpufeature.c
View File

@ -305,6 +305,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
__RISCV_ISA_EXT_DATA(svnapot, RISCV_ISA_EXT_SVNAPOT),
__RISCV_ISA_EXT_DATA(svpbmt, RISCV_ISA_EXT_SVPBMT),
__RISCV_ISA_EXT_DATA(xandespmu, RISCV_ISA_EXT_XANDESPMU),
__RISCV_ISA_EXT_DATA(svvptc, RISCV_ISA_EXT_SVVPTC),
};
const size_t riscv_isa_ext_count = ARRAY_SIZE(riscv_isa_ext);