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authorAlexandre Ghiti <alexghiti@rivosinc.com>2024-07-17 08:01:22 +0200
committerPalmer Dabbelt <palmer@rivosinc.com>2024-09-15 00:11:02 -0700
commita6efe33cc5945c8d435d2441ecc4e0ca7c49e040 (patch)
tree4ea7187b7c04729c891f6c56702f0cad96ba3c9e
parent1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0 (diff)
riscv: Add ISA extension parsing for Svvptc
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>
-rw-r--r--arch/riscv/include/asm/hwcap.h1
-rw-r--r--arch/riscv/kernel/cpufeature.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index e17d0078a651..6dd0dd8beb30 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -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
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 5ef48cb20ee1..60780d246743 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -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);