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target/arm: Introduce isar_feature_aa64_bti

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Also create field definitions for id_aa64pfr1 from ARMv8.5.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190128223118.5255-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2019-02-05 16:52:36 +00:00 committed by Peter Maydell
parent 01a9a51ffa
commit be53b6f4d7
1 changed files with 10 additions and 0 deletions
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10
target/arm/cpu.h
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@ -1681,6 +1681,11 @@ FIELD(ID_AA64PFR0, GIC, 24, 4)
FIELD(ID_AA64PFR0, RAS, 28, 4)
FIELD(ID_AA64PFR0, SVE, 32, 4)
FIELD(ID_AA64PFR1, BT, 0, 4)
FIELD(ID_AA64PFR1, SBSS, 4, 4)
FIELD(ID_AA64PFR1, MTE, 8, 4)
FIELD(ID_AA64PFR1, RAS_FRAC, 12, 4)
FIELD(ID_AA64MMFR0, PARANGE, 0, 4)
FIELD(ID_AA64MMFR0, ASIDBITS, 4, 4)
FIELD(ID_AA64MMFR0, BIGEND, 8, 4)
@ -3328,6 +3333,11 @@ static inline bool isar_feature_aa64_lor(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, LO) != 0;
}
static inline bool isar_feature_aa64_bti(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, BT) != 0;
}
/*
* Forward to the above feature tests given an ARMCPU pointer.
*/