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>
This commit is contained in:
Wei Yongjun 2010-08-06 11:36:51 +08:00 committed by Avi Kivity
parent c483c02ad3
commit 943858e275
1 changed files with 7 additions and 0 deletions

View File

@ -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 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt)
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;