Commit b37670b0 authored by Marc Zyngier's avatar Marc Zyngier Committed by Christoffer Dall
Browse files

ARM: KVM: abstract S1TW abort detection away


Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <cdall@cs.columbia.edu>
parent 78abfcde
......@@ -211,6 +211,7 @@
#define HSR_HVC_IMM_MASK ((1UL << 16) - 1)
#define HSR_DABT_S1PTW (1U << 7)
#define HSR_DABT_CM (1U << 8)
#define HSR_DABT_EA (1U << 9)
......
......@@ -115,4 +115,9 @@ static inline bool kvm_vcpu_dabt_isextabt(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_EA;
}
static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_S1PTW;
}
#endif /* __ARM_KVM_EMULATE_H__ */
......@@ -71,7 +71,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
return 1;
}
if ((kvm_vcpu_get_hsr(vcpu) >> 7) & 1) {
if (kvm_vcpu_dabt_iss1tw(vcpu)) {
/* page table accesses IO mem: tell guest to fix its TTBR */
kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
......
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