KVM: x86 emulator: introduce DstImmUByte for dst operand decode
Introduce DstImmUByte for dst operand decode, which
will be used for out instruction.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 78541e8..dc074a0 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -54,6 +54,7 @@
#define DstAcc (4<<1) /* Destination Accumulator */
#define DstDI (5<<1) /* Destination is in ES:(E)DI */
#define DstMem64 (6<<1) /* 64bit memory operand */
+#define DstImmUByte (7<<1) /* 8-bit unsigned immediate operand */
#define DstMask (7<<1)
/* Source operand type. */
#define SrcNone (0<<4) /* No source operand. */
@@ -2693,6 +2694,12 @@
decode_register_operand(&c->dst, c,
c->twobyte && (c->b == 0xb6 || c->b == 0xb7));
break;
+ case DstImmUByte:
+ c->dst.type = OP_IMM;
+ c->dst.addr.mem = c->eip;
+ c->dst.bytes = 1;
+ c->dst.val = insn_fetch(u8, 1, c->eip);
+ break;
case DstMem:
case DstMem64:
c->dst = memop;