diff options
| -rw-r--r-- | arch/x86/kvm/emulate.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index c7176df9ced..b7da0e3e0cc 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2147,7 +2147,7 @@ static struct opcode opcode_table[256] = { D(DstMem | SrcNone | ModRM | Mov), D(ModRM | DstReg), D(ImplicitOps | SrcMem16 | ModRM), G(0, group1A), /* 0x90 - 0x97 */ - X8(D(DstReg)), + X8(D(SrcAcc | DstReg)), /* 0x98 - 0x9F */ N, N, D(SrcImmFAddr | No64), N, D(ImplicitOps | Stack), D(ImplicitOps | Stack), N, N, @@ -2932,16 +2932,9 @@ special_insn: if (rc != X86EMUL_CONTINUE) goto done; break; - case 0x90: /* nop / xchg r8,rax */ - if (c->dst.addr.reg == &c->regs[VCPU_REGS_RAX]) { - c->dst.type = OP_NONE; /* nop */ - break; - } - case 0x91 ... 0x97: /* xchg reg,rax */ - c->src.type = OP_REG; - c->src.bytes = c->op_bytes; - c->src.addr.reg = &c->regs[VCPU_REGS_RAX]; - c->src.val = *(c->src.addr.reg); + case 0x90 ... 0x97: /* nop / xchg reg, rax */ + if (c->dst.addr.reg == &c->regs[VCPU_REGS_RAX]) + goto done; goto xchg; case 0x9c: /* pushf */ c->src.val = (unsigned long) ctxt->eflags; |