diff options
| -rw-r--r-- | drivers/kvm/x86_emulate.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 988c6498640f..e962de331606 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -161,10 +161,10 @@ static u8 opcode_table[256] = { ImplicitOps, SrcImm|ImplicitOps, 0, SrcImmByte|ImplicitOps, 0, 0, 0, 0, /* 0xF0 - 0xF7 */ 0, 0, 0, 0, - ImplicitOps, 0, + ImplicitOps, ImplicitOps, ByteOp | DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, /* 0xF8 - 0xFF */ - 0, 0, 0, 0, + ImplicitOps, 0, ImplicitOps, ImplicitOps, 0, 0, ByteOp | DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM }; @@ -1476,6 +1476,23 @@ special_insn: case 0xf4: /* hlt */ ctxt->vcpu->halt_request = 1; goto done; + case 0xf5: /* cmc */ + /* complement carry flag from eflags reg */ + ctxt->eflags ^= EFLG_CF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xf8: /* clc */ + ctxt->eflags &= ~EFLG_CF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xfa: /* cli */ + ctxt->eflags &= ~X86_EFLAGS_IF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xfb: /* sti */ + ctxt->eflags |= X86_EFLAGS_IF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; } if (c->rep_prefix) { if (c->regs[VCPU_REGS_RCX] == 0) { |