diff options
author | Mark Brown <broonie@kernel.org> | 2022-10-17 16:25:19 +0100 |
---|---|---|
committer | Will Deacon <will@kernel.org> | 2022-11-09 17:54:53 +0000 |
commit | d12aada8dfb030f7df8ec0bb0ce4bb01a2ab3944 (patch) | |
tree | fff23b11b546fb5e262e5144a8cfd0ae51e2b053 /Documentation/arm64/elf_hwcaps.rst | |
parent | kselftest/arm64: Add FEAT_RPRFM to the hwcap test (diff) | |
download | wireguard-linux-d12aada8dfb030f7df8ec0bb0ce4bb01a2ab3944.tar.xz wireguard-linux-d12aada8dfb030f7df8ec0bb0ce4bb01a2ab3944.zip |
arm64/hwcap: Add support for SVE 2.1
FEAT_SVE2p1 introduces a number of new SVE instructions. Since there is no
new architectural state added kernel support is simply a new hwcap which
lets userspace know that the feature is supported.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20221017152520.1039165-6-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/arm64/elf_hwcaps.rst')
-rw-r--r-- | Documentation/arm64/elf_hwcaps.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index a82b2cdff680..6fed84f935df 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -281,6 +281,9 @@ HWCAP2_CSSC HWCAP2_RPRFM Functionality implied by ID_AA64ISAR2_EL1.RPRFM == 0b0001. +HWCAP2_SVE2P1 + Functionality implied by ID_AA64ZFR0_EL1.SVEver == 0b0010. + 4. Unused AT_HWCAP bits ----------------------- |