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target/arm: Mask virtual interrupts if HCR_EL2.TGE is set 

If the "trap general exceptions" bit HCR_EL2.TGE is set, we
must mask all virtual interrupts (as per DDI0487C.a D1.14.3).
Implement this in arm_excp_unmasked().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180724115950.17316-2-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-08-14 17:17:21 +01:00
parent a3f0ecfd4e
commit 2ccf0fef63
1 changed files with 4 additions and 2 deletions
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6
target/arm/cpu.h
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@ -2261,13 +2261,15 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx,
break;
case EXCP_VFIQ:
if (secure || !(env->cp15.hcr_el2 & HCR_FMO)) {
if (secure || !(env->cp15.hcr_el2 & HCR_FMO)
|| (env->cp15.hcr_el2 & HCR_TGE)) {
/* VFIQs are only taken when hypervized and non-secure. */
return false;
}
return !(env->daif & PSTATE_F);
case EXCP_VIRQ:
if (secure || !(env->cp15.hcr_el2 & HCR_IMO)) {
if (secure || !(env->cp15.hcr_el2 & HCR_IMO)
|| (env->cp15.hcr_el2 & HCR_TGE)) {
/* VIRQs are only taken when hypervized and non-secure. */
return false;
}