diff options
| author | Mark Brown <broonie@kernel.org> | 2025-01-07 22:59:43 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2025-01-08 13:41:06 +0000 |
| commit | 819935464cb2f72fff8dfbbf95cf2726d4a66388 (patch) | |
| tree | 0e1b64770b7ec13ab1a12fd0e02fd2540a9751c6 /Documentation | |
| parent | 47e4717eb6fc5fc7d5437bd096885e0e85d3cea3 (diff) | |
arm64/hwcap: Describe 2024 dpISA extensions to userspace
The 2024 dpISA introduces a number of architecture features all of which
only add new instructions so only require the addition of hwcaps and ID
register visibility.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250107-arm64-2024-dpisa-v5-3-7578da51fc3d@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arch/arm64/elf_hwcaps.rst | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/elf_hwcaps.rst b/Documentation/arch/arm64/elf_hwcaps.rst index 1a31723e79fd..69d7afe56853 100644 --- a/Documentation/arch/arm64/elf_hwcaps.rst +++ b/Documentation/arch/arm64/elf_hwcaps.rst @@ -174,6 +174,56 @@ HWCAP_GCS Functionality implied by ID_AA64PFR1_EL1.GCS == 0b1, as described by Documentation/arch/arm64/gcs.rst. +HWCAP_CMPBR + Functionality implied by ID_AA64ISAR2_EL1.CSSC == 0b0010. + +HWCAP_FPRCVT + Functionality implied by ID_AA64ISAR3_EL1.FPRCVT == 0b0001. + +HWCAP_F8MM8 + Functionality implied by ID_AA64FPFR0_EL1.F8MM8 == 0b0001. + +HWCAP_F8MM4 + Functionality implied by ID_AA64FPFR0_EL1.F8MM4 == 0b0001. + +HWCAP_SVE_F16MM + Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and + ID_AA64ZFR0_EL1.F16MM == 0b0001. + +HWCAP_SVE_ELTPERM + Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and + ID_AA64ZFR0_EL1.ELTPERM == 0b0001. + +HWCAP_SVE_AES2 + Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and + ID_AA64ZFR0_EL1.AES == 0b0011. + +HWCAP_SVE_BFSCALE + Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and + ID_AA64ZFR0_EL1.B16B16 == 0b0010. + +HWCAP_SVE2P2 + Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and + ID_AA64ZFR0_EL1.SVEver == 0b0011. + +HWCAP_SME2P2 + Functionality implied by ID_AA64SMFR0_EL1.SMEver == 0b0011. + +HWCAP_SME_SBITPERM + Functionality implied by ID_AA64SMFR0_EL1.SBitPerm == 0b1. + +HWCAP_SME_AES + Functionality implied by ID_AA64SMFR0_EL1.AES == 0b1. + +HWCAP_SME_SFEXPA + Functionality implied by ID_AA64SMFR0_EL1.SFEXPA == 0b1. + +HWCAP_SME_STMOP + Functionality implied by ID_AA64SMFR0_EL1.STMOP == 0b1. + +HWCAP_SME_SMOP4 + Functionality implied by ID_AA64SMFR0_EL1.SMOP4 == 0b1. + HWCAP2_DCPODP Functionality implied by ID_AA64ISAR1_EL1.DPB == 0b0010. |