arm64/sme: Add basic enumeration for SME2

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Add basic feature detection for SME2, detecting that the feature is present
and disabling traps for ZT0.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-8-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2023-01-16 16:04:43 +00:00 • committed by Catalin Marinas

parent f122576f35

commit d4913eee15

5 changed files with 33 additions and 0 deletions

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6

arch/arm64/include/asm/cpufeature.h

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1

arch/arm64/include/asm/fpsimd.h

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14

arch/arm64/kernel/cpufeature.c

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11

arch/arm64/kernel/fpsimd.c

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1

arch/arm64/tools/cpucaps

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