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| author | Andy Chiu <andy.chiu@sifive.com> | 2023-06-05 14:07:00 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-06-08 17:16:36 +0300 |
| commit | 162e4df137c1fea6557fda3e4cdf5dc6ca6d5510 (patch) | |
| tree | 60dc9640b7e474a63a533ba6dc17f3f18db680ea /arch/riscv/include | |
| parent | dc6667a4e7e36f283bcd0264a0be55adae4d6f86 (diff) | |
| download | linux-162e4df137c1fea6557fda3e4cdf5dc6ca6d5510.tar.xz | |
riscv: hwprobe: Add support for probing V in RISCV_HWPROBE_KEY_IMA_EXT_0
Probing kernel support for Vector extension is available now. This only
add detection for V only. Extenions like Zvfh, Zk are not in this scope.
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20230605110724.21391-4-andy.chiu@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/uapi/asm/hwprobe.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 8d745a4ad8a2..7c6fdcf7ced5 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -25,6 +25,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 #define RISCV_HWPROBE_IMA_FD (1 << 0) #define RISCV_HWPROBE_IMA_C (1 << 1) +#define RISCV_HWPROBE_IMA_V (1 << 2) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) |