diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_emulate.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c index 1e5cf8d594e..bbd15906900 100644 --- a/arch/powerpc/kvm/book3s_64_emulate.c +++ b/arch/powerpc/kvm/book3s_64_emulate.c @@ -189,6 +189,8 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, ulong ra = 0; ulong addr, vaddr; u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + u32 dsisr; + int r; if (get_ra(inst)) ra = kvmppc_get_gpr(vcpu, get_ra(inst)); @@ -198,14 +200,23 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, addr &= 0xffffffff; vaddr = addr; - if (kvmppc_st(vcpu, &addr, 32, zeros, true)) { + r = kvmppc_st(vcpu, &addr, 32, zeros, true); + if ((r == -ENOENT) || (r == -EPERM)) { + *advance = 0; vcpu->arch.dear = vaddr; vcpu->arch.fault_dear = vaddr; - to_book3s(vcpu)->dsisr = DSISR_PROTFAULT | - DSISR_ISSTORE; + + dsisr = DSISR_ISSTORE; + if (r == -ENOENT) + dsisr |= DSISR_NOHPTE; + else if (r == -EPERM) + dsisr |= DSISR_PROTFAULT; + + to_book3s(vcpu)->dsisr = dsisr; + vcpu->arch.fault_dsisr = dsisr; + kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE); - kvmppc_mmu_pte_flush(vcpu, vaddr, ~0xFFFULL); } break; |