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KVM: x86 emulator: add setcc instruction emulation

PATCH Applied Wei Yongjun 2 participants 2 messages Aug 6, 2010 – Aug 17, 2010

Subsystems (3)
x86 KVM KVM x86
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Wei Yongjun

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PATCH 1/1 KVM: x86 emulator: add setcc instruction emulation

Add setcc instruction emulation (opcode 0x0f 0x90~0x9f)

Signed-off-by Wei Yongjun <[email protected]>
---
 arch/x86/kvm/emulate.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
arch/x86/kvm/emulate.c +4 -1
index a755b85..e057e57 100644
@@ -2330,7 +2330,7 @@ static struct opcode twobyte_table[256] = {
 	/* 0x80 - 0x8F */
 	X16(D(SrcImm)),
 	/* 0x90 - 0x9F */
-	N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N,
+	X16(D(ByteOp | DstMem | SrcNone | ModRM| Mov)),
 	/* 0xA0 - 0xA7 */
 	D(ImplicitOps | Stack), D(ImplicitOps | Stack),
 	N, D(DstMem | SrcReg | ModRM | BitOp),

@@ -3390,6 +3390,9 @@ twobyte_insn:
 		if (test_cc(c->b, ctxt->eflags))
 			jmp_rel(c, c->src.val);
 		break;
+	case 0x90 ... 0x9f:     /* setcc r/m8 */
+		c->dst.val = test_cc(c->b, ctxt->eflags);
+		break;
 	case 0xa0:	  /* push fs */
 		emulate_push_sreg(ctxt, ops, VCPU_SREG_FS);
 		break;
Signature · 1 line
1.7.0.4
Applied
#1 lore raw
Quoted 2 lines · Wei Yongjun

Add setcc instruction emulation (opcode 0x0f 0x90~0x9f)

Applied, thanks.

Signature · 1 line
error compiling committee.c: too many arguments to function