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KVM: x86 emulator: Use opcode::execute for Group 9 instruction

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Group 9: 0F C7

Rename em_grp9() to em_cmpxchg8b() and register it.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Takuya Yoshikawa 2011-12-06 18:07:27 +09:00 committed by Avi Kivity
parent c04ec8393f
commit e0dac408d0
1 changed files with 2 additions and 5 deletions
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7
arch/x86/kvm/emulate.c
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@ -1784,7 +1784,7 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt)
return rc;
}
static int em_grp9(struct x86_emulate_ctxt *ctxt)
static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt)
{
u64 old = ctxt->dst.orig_val64;
@ -3261,7 +3261,7 @@ static struct opcode group8[] = {
};
static struct group_dual group9 = { {
N, D(DstMem64 | ModRM | Lock | PageTable), N, N, N, N, N, N,
N, I(DstMem64 | ModRM | Lock | PageTable, em_cmpxchg8b), N, N, N, N, N, N,
}, {
N, N, N, N, N, N, N, N,
} };
@ -4202,9 +4202,6 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
ctxt->dst.val = (ctxt->op_bytes == 4) ? (u32) ctxt->src.val :
(u64) ctxt->src.val;
break;
case 0xc7: /* Grp9 (cmpxchg8b) */
rc = em_grp9(ctxt);
break;
default:
goto cannot_emulate;
}