From: Wei Yongjun <[email protected]>
Group 3 instruction with ModRM reg field as 001 is
defined as test instruction under AMD arch, and
emulate_grp3() is ready for emulate it, so fix the
decoding.
static inline int emulate_grp3(...)
{
...
switch (c->modrm_reg) {
case 0 ... 1: /* test */
emulate_2op_SrcV("test", c->src, c->dst, ctxt->eflags);
...
}
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c990db0..abb8cec 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -336,11 +336,11 @@ static u32 group_table[] = {
[Group1A*8] =
DstMem | SrcNone | ModRM | Mov | Stack, 0, 0, 0, 0, 0, 0, 0,
[Group3_Byte*8] =
- ByteOp | SrcImm | DstMem | ModRM, 0,
+ ByteOp | SrcImm | DstMem | ModRM, ByteOp | SrcImm | DstMem | ModRM,
ByteOp | DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM,
0, 0, 0, 0,
[Group3*8] =
- DstMem | SrcImm | ModRM, 0,
+ DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM,
0, 0, 0, 0,
[Group4*8] =
--
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