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KVM: x86 emulator: fix 0f 01 /5 emulation 

It is undefined and should generate #UD.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov 2010-03-18 15:20:08 +02:00 committed by Avi Kivity
parent 5e3ae6c540
commit 6e1e5ffee8
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/emulate.c
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@ -2490,6 +2490,9 @@ twobyte_insn:
(c->src.val & 0x0f), ctxt->vcpu); (c->src.val & 0x0f), ctxt->vcpu);
c->dst.type = OP_NONE; c->dst.type = OP_NONE;
break; break;
case 5: /* not defined */
kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
goto done;
case 7: /* invlpg*/ case 7: /* invlpg*/
emulate_invlpg(ctxt->vcpu, memop); emulate_invlpg(ctxt->vcpu, memop);
/* Disable writeback. */ /* Disable writeback. */