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| author | Clément Léger <cleger@rivosinc.com> | 2023-11-14 09:12:46 -0500 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-12-12 15:45:07 -0800 |
| commit | bf4cd84111c6139313504310ff934df901a5ed3e (patch) | |
| tree | 7d069106704df819a66fc9bd827b61e8dc77af36 /Documentation/arch | |
| parent | 11e8e1ee2c223585f1776e5c5d21bdae7184ca34 (diff) | |
| download | linux-bf4cd84111c6139313504310ff934df901a5ed3e.tar.gz | |
riscv: hwprobe: export Zfh[min] ISA extensions
Export Zfh[min] ISA extensions[1] through hwprobe only if FPU support
is available.
Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1]
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-11-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'Documentation/arch')
| -rw-r--r-- | Documentation/arch/riscv/hwprobe.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst index a08fcd899b6db..397d53195f49a 100644 --- a/Documentation/arch/riscv/hwprobe.rst +++ b/Documentation/arch/riscv/hwprobe.rst @@ -140,6 +140,12 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZVKT`: The Zvkt extension is supported as defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + * :c:macro:`RISCV_HWPROBE_EXT_ZFH`: The Zfh extension version 1.0 is supported + as defined in the RISC-V ISA manual. + + * :c:macro:`RISCV_HWPROBE_EXT_ZFHMIN`: The Zfhmin extension version 1.0 is + supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. |