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riscv: hwprobe: export bfloat16 ISA extension

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Export Zfbmin, Zvfbfmin, Zvfbfwma ISA extension through hwprobe.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20250213003849.147358-4-inochiama@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
This commit is contained in:
Inochi Amaoto
2025-02-13 08:38:47 +08:00
committed by Alexandre Ghiti
parent e186c28dda
commit a4863e002c
3 changed files with 18 additions and 0 deletions
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3
arch/riscv/include/uapi/asm/hwprobe.h
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@@ -73,6 +73,9 @@ struct riscv_hwprobe {
#define RISCV_HWPROBE_EXT_ZCMOP (1ULL << 47)
#define RISCV_HWPROBE_EXT_ZAWRS (1ULL << 48)
#define RISCV_HWPROBE_EXT_SUPM (1ULL << 49)
#define RISCV_HWPROBE_EXT_ZFBFMIN (1ULL << 50)
#define RISCV_HWPROBE_EXT_ZVFBFMIN (1ULL << 51)
#define RISCV_HWPROBE_EXT_ZVFBFWMA (1ULL << 52)
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
#define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0)