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authorMark Brown2022-07-07 11:36:32 +0100
committerWill Deacon2022-07-20 11:18:11 +0100
commita6a468f50d6a1fa20bcd023f286713d243f5025d (patch)
tree503f434b6569d8d60016cb00ec1acde2b357675c /Documentation
parent60c868eff2bc59656ff449258d30da23adae544a (diff)
arm64/hwcap: Support FEAT_EBF16
The v9.2 feature FEAT_EBF16 provides support for an extended BFloat16 mode. Allow userspace to discover system support for this feature by adding a hwcap for it. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20220707103632.12745-4-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/arm64/elf_hwcaps.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index 3d116fb536c5..31fc10b833dd 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -301,6 +301,10 @@ HWCAP2_WFXT
Functionality implied by ID_AA64ISAR2_EL1.WFXT == 0b0010.
+HWCAP2_EBF16
+
+ Functionality implied by ID_AA64ISAR1_EL1.BF16 == 0b0010.
+
4. Unused AT_HWCAP bits
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