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target/arm: Add support for FEAT_TLBIOS

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ARMv8.4 adds the mandatory FEAT_TLBIOS. It provides TLBI
maintenance instructions that extend to the Outer Shareable domain.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210512182337.18563-3-rebecca@nuviainc.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Rebecca Cran 2021-05-12 12:23:36 -06:00 • committed by Peter Maydell
parent 84940ed825
commit 7113d61850
2 changed files with 48 additions and 0 deletions
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5
target/arm/cpu.h
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@ -4076,6 +4076,11 @@ static inline bool isar_feature_aa64_tlbirange(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) == 2;
}
static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) != 0;
}
static inline bool isar_feature_aa64_sb(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) != 0;