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ARM: KVM: abstract HSR_SRT_{MASK,SHIFT} away

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Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier 2012-09-18 11:28:57 +01:00 committed by Christoffer Dall
parent 7c511b881f
commit d0adf747c9
2 changed files with 6 additions and 1 deletions
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5
arch/arm/include/asm/kvm_emulate.h
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@ -105,4 +105,9 @@ static inline bool kvm_vcpu_dabt_issext(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) & HSR_SSE;
}
static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu)
{
return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
}
#endif /* __ARM_KVM_EMULATE_H__ */

2
arch/arm/kvm/mmio.c
View File

@ -94,7 +94,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
is_write = kvm_vcpu_dabt_iswrite(vcpu);
sign_extend = kvm_vcpu_dabt_issext(vcpu);
rt = (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
rt = kvm_vcpu_dabt_get_rd(vcpu);
if (kvm_vcpu_reg_is_pc(vcpu, rt)) {
/* IO memory trying to read/write pc */