diff options
| author | Mark Brown <broonie@kernel.org> | 2024-10-01 23:58:57 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2024-10-04 12:04:37 +0100 |
| commit | eefc98711f84abd7ffb074af0cdbc5f8a8464272 (patch) | |
| tree | 5393bad8e64d8c040e6601306c4f53f15f42b787 /Documentation/arch | |
| parent | a94452112ce4020af073af368d7c25a07bfabf37 (diff) | |
arm64/hwcap: Add hwcap for GCS
Provide a hwcap to enable userspace to detect support for GCS.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Yury Khrustalev <yury.khrustalev@arm.com>
Link: https://lore.kernel.org/r/20241001-arm64-gcs-v13-18-222b78d87eee@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arch')
| -rw-r--r-- | Documentation/arch/arm64/elf_hwcaps.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/elf_hwcaps.rst b/Documentation/arch/arm64/elf_hwcaps.rst index 694f67fa07d1..25b41ff74fa0 100644 --- a/Documentation/arch/arm64/elf_hwcaps.rst +++ b/Documentation/arch/arm64/elf_hwcaps.rst @@ -170,6 +170,10 @@ HWCAP_PACG ID_AA64ISAR1_EL1.GPI == 0b0001, as described by Documentation/arch/arm64/pointer-authentication.rst. +HWCAP_GCS + Functionality implied by ID_AA64PFR1_EL1.GCS == 0b1, as + described by Documentation/arch/arm64/gcs.rst. + HWCAP2_DCPODP Functionality implied by ID_AA64ISAR1_EL1.DPB == 0b0010. |