diff options
| author | Clément Léger <cleger@rivosinc.com> | 2023-12-20 18:57:21 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-01-10 07:12:29 +0300 |
| commit | 154a3706122978eeb34d8223d49285ed4f3c61fa (patch) | |
| tree | 00a1fb20960c5ac54437997b4375c2afb2b0dc6a /arch | |
| parent | 188a2122c8274b64a739544b1bcfd30e30aed5dd (diff) | |
| download | linux-154a3706122978eeb34d8223d49285ed4f3c61fa.tar.xz | |
riscv: hwprobe: export Zacas ISA extension
Export Zacas ISA extension through hwprobe.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231220155723.684081-6-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/include/uapi/asm/hwprobe.h | 1 | ||||
| -rw-r--r-- | arch/riscv/kernel/sys_riscv.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 01ac3dc196e5..ac65bb43c8e7 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -57,6 +57,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 31) #define RISCV_HWPROBE_EXT_ZFA (1ULL << 32) #define RISCV_HWPROBE_EXT_ZTSO (1ULL << 33) +#define RISCV_HWPROBE_EXT_ZACAS (1ULL << 34) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 6564fa9e7a7f..6c680c75ac0d 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -175,6 +175,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, EXT_KEY(ZKT); EXT_KEY(ZIHINTNTL); EXT_KEY(ZTSO); + EXT_KEY(ZACAS); if (has_vector()) { EXT_KEY(ZVBB); |