Commit 2b760046 authored by Joey Gouly's avatar Joey Gouly Committed by Catalin Marinas
Browse files

arm64: cpufeature: add TCR2 cpucap 



This capability indicates if the system supports the TCR2_ELx system register.

Signed-off-by: default avatarJoey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230606145859.697944-7-joey.gouly@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent edc25898

arch/arm64/kernel/cpufeature.c

+6 −0
Original line number Diff line number Diff line
@@ -2674,6 +2674,12 @@ static const struct arm64_cpu_capabilities arm64_features[] = { 
		.cpu_enable = cpu_enable_mops,

		ARM64_CPUID_FIELDS(ID_AA64ISAR2_EL1, MOPS, IMP)

	},

	{

		.capability = ARM64_HAS_TCR2,

		.type = ARM64_CPUCAP_SYSTEM_FEATURE,

		.matches = has_cpuid_feature,

		ARM64_CPUID_FIELDS(ID_AA64MMFR3_EL1, TCRX, IMP)

	},

	{},

};

arch/arm64/tools/cpucaps

+1 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ HAS_RAS_EXTN 
HAS_RNG

HAS_SB

HAS_STAGE2_FWB

HAS_TCR2

HAS_TIDCP1

HAS_TLB_RANGE

HAS_VIRT_HOST_EXTN