From: Clément Léger Date: Tue, 14 Nov 2023 14:12:37 +0000 (-0500) Subject: riscv: add ISA extension parsing for Zbc X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e45f463a9b01aabd03c49390fc5249eeba0abc5e;p=linux.git riscv: add ISA extension parsing for Zbc Zbc was documented in the dt-bindings but actually not supported in ISA string parsing. Add it. Signed-off-by: Clément Léger Link: https://lore.kernel.org/r/20231114141256.126749-2-cleger@rivosinc.com Signed-off-by: Palmer Dabbelt --- diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 06d30526ef3b8..afa9abc1a0b0f 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -57,6 +57,7 @@ #define RISCV_ISA_EXT_ZIHPM 42 #define RISCV_ISA_EXT_SMSTATEEN 43 #define RISCV_ISA_EXT_ZICOND 44 +#define RISCV_ISA_EXT_ZBC 45 #define RISCV_ISA_EXT_MAX 64 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index b3785ffc15703..eae14daa5a75b 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -176,6 +176,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM), __RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA), __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB), + __RISCV_ISA_EXT_DATA(zbc, RISCV_ISA_EXT_ZBC), __RISCV_ISA_EXT_DATA(zbs, RISCV_ISA_EXT_ZBS), __RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA), __RISCV_ISA_EXT_DATA(smstateen, RISCV_ISA_EXT_SMSTATEEN),