diff options
Diffstat (limited to 'arch/powerpc/kvm/emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/emulate.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index e96b50d0bdab..5cc2e7af3a7b 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -219,7 +219,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) /* this default type might be overwritten by subcategories */ kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); - emulated = kvmppc_get_last_inst(vcpu, false, &inst); + emulated = kvmppc_get_last_inst(vcpu, INST_GENERIC, &inst); if (emulated != EMULATE_DONE) return emulated; @@ -274,6 +274,21 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) } break; + case 0: + /* + * Instruction with primary opcode 0. Based on PowerISA + * these are illegal instructions. + */ + if (inst == KVMPPC_INST_SW_BREAKPOINT) { + run->exit_reason = KVM_EXIT_DEBUG; + run->debug.arch.address = kvmppc_get_pc(vcpu); + emulated = EMULATE_EXIT_USER; + advance = 0; + } else + emulated = EMULATE_FAIL; + + break; + default: emulated = EMULATE_FAIL; } |