diff options
Diffstat (limited to 'arch/arm/include/asm/kvm_emulate.h')
-rw-r--r-- | arch/arm/include/asm/kvm_emulate.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h index 6b43653865fb..e4a4fc2f9156 100644 --- a/arch/arm/include/asm/kvm_emulate.h +++ b/arch/arm/include/asm/kvm_emulate.h @@ -120,4 +120,20 @@ static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu) return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_S1PTW; } +/* Get Access Size from a data abort */ +static inline int kvm_vcpu_dabt_get_as(struct kvm_vcpu *vcpu) +{ + switch ((kvm_vcpu_get_hsr(vcpu) >> 22) & 0x3) { + case 0: + return 1; + case 1: + return 2; + case 2: + return 4; + default: + kvm_err("Hardware is weird: SAS 0b11 is reserved\n"); + return -EFAULT; + } +} + #endif /* __ARM_KVM_EMULATE_H__ */ |