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authorMark Brown <broonie@kernel.org>2022-10-17 16:25:15 +0100
committerWill Deacon <will@kernel.org>2022-11-09 17:54:53 +0000
commit95aa6860d60881e8f08956e02199f7d65c9cbf7b (patch)
tree30e8839a6f03a52c28cc4a864fe0066294605223 /Documentation/arm64
parent01ab991fc0ee5019aecc4ca461311fc8aa75ece5 (diff)
arm64/hwcap: Add support for FEAT_CSSC
FEAT_CSSC adds a number of new instructions usable to optimise common short sequences of instructions, add a hwcap indicating that the feature is available and can be used by userspace. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20221017152520.1039165-2-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/arm64')
-rw-r--r--Documentation/arm64/elf_hwcaps.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index bb34287c8e01..58197e9ccb6d 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -275,6 +275,9 @@ HWCAP2_EBF16
HWCAP2_SVE_EBF16
Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0010.
+HWCAP2_CSSC
+ Functionality implied by ID_AA64ISAR2_EL1.CSSC == 0b0001.
+
4. Unused AT_HWCAP bits
-----------------------