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author | Mark Brown <broonie@kernel.org> | 2023-01-16 19:04:48 +0300 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-01-20 15:23:07 +0300 |
commit | 7d5d8601e4577c918fdb5fa922c634a73557ac0f (patch) | |
tree | c02a9e4de75a72fe0ee10ee92e3812fd7a2fefbc /Documentation/arm64/elf_hwcaps.rst | |
parent | f90b529bcbe57c66da2b6a0d3c7c81e8567af63d (diff) | |
download | linux-7d5d8601e4577c918fdb5fa922c634a73557ac0f.tar.xz |
arm64/sme: Add hwcaps for SME 2 and 2.1 features
In order to allow userspace to discover the presence of the new SME features
add hwcaps for them.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-13-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arm64/elf_hwcaps.rst')
-rw-r--r-- | Documentation/arm64/elf_hwcaps.rst | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index 6fed84f935df..8a9d4bf7daf4 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -284,6 +284,24 @@ HWCAP2_RPRFM HWCAP2_SVE2P1 Functionality implied by ID_AA64ZFR0_EL1.SVEver == 0b0010. +HWCAP2_SME2 + Functionality implied by ID_AA64SMFR0_EL1.SMEver == 0b0001. + +HWCAP2_SME2P1 + Functionality implied by ID_AA64SMFR0_EL1.SMEver == 0b0010. + +HWCAP2_SMEI16I32 + Functionality implied by ID_AA64SMFR0_EL1.I16I32 == 0b0101 + +HWCAP2_SMEBI32I32 + Functionality implied by ID_AA64SMFR0_EL1.BI32I32 == 0b1 + +HWCAP2_SMEB16B16 + Functionality implied by ID_AA64SMFR0_EL1.B16B16 == 0b1 + +HWCAP2_SMEF16F16 + Functionality implied by ID_AA64SMFR0_EL1.F16F16 == 0b1 + 4. Unused AT_HWCAP bits ----------------------- |