• Suzuki K Poulose's avatar
    arm64: Expose support for optional ARMv8-A features · f5e035f8
    Suzuki K Poulose authored
    ARMv8-A adds a few optional features for ARMv8.2 and ARMv8.3.
    Expose them to the userspace via HWCAPs and mrs emulation.
    
    SHA2-512  - Instruction support for SHA512 Hash algorithm (e.g SHA512H,
    	    SHA512H2, SHA512U0, SHA512SU1)
    SHA3 	  - SHA3 crypto instructions (EOR3, RAX1, XAR, BCAX).
    SM3	  - Instruction support for Chinese cryptography algorithm SM3
    SM4 	  - Instruction support for Chinese cryptography algorithm SM4
    DP	  - Dot Product instructions (UDOT, SDOT).
    
    Cc: Will Deacon <will.deacon@arm.com>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Dave Martin <dave.martin@arm.com>
    Cc: Marc Zyngier <marc.zyngier@arm.com>
    Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
    Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
    Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
    f5e035f8
cpu-feature-registers.txt 10.8 KB