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由 Suzuki K Poulose 提交于
Expose the new features introduced by Arm v8.4 extensions to Arm v8-A profile. These include : 1) Data indpendent timing of instructions. (DIT, exposed as HWCAP_DIT) 2) Unaligned atomic instructions and Single-copy atomicity of loads and stores. (AT, expose as HWCAP_USCAT) 3) LDAPR and STLR instructions with immediate offsets (extension to LRCPC, exposed as HWCAP_ILRCPC) 4) Flag manipulation instructions (TS, exposed as HWCAP_FLAGM). Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Reviewed-by: NDave Martin <dave.martin@arm.com> Signed-off-by: NSuzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: NWill Deacon <will.deacon@arm.com>
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