arm64/hwcap: Define hwcaps for 2023 DPISA features

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The 2023 architecture extensions include a large number of floating point
features, most of which simply add new instructions. Add hwcaps so that
userspace can enumerate these features.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240306-arm64-2023-dpisa-v5-6-c568edc8ed7f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2024-03-06 23:14:51 +00:00 • committed by Catalin Marinas

parent 4035c22ef7

commit c1932cac79

5 changed files with 129 additions and 0 deletions

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49

Documentation/arch/arm64/elf_hwcaps.rst

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15

arch/arm64/include/asm/hwcap.h

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15

arch/arm64/include/uapi/asm/hwcap.h

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35

arch/arm64/kernel/cpufeature.c

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15

arch/arm64/kernel/cpuinfo.c

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