[1/3] KVM: x86 emulator: introduce DstImmUByte for dst operand decode

Commit Message

Wei Yongjun Aug. 6, 2010, 3:36 a.m. UTC

None

Patch

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a2a079f..f952fd0 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. */
@@ -2632,6 +2633,12 @@  done_prefixes:
 		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;