lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: x86 emulator: introduce DstImmUByte for dst operand decode

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

7
arch/x86/kvm/emulate.c
View File

@@ -54,6 +54,7 @@
#define DstAcc (4<<1) /* Destination Accumulator */ #define DstAcc (4<<1) /* Destination Accumulator */
#define DstDI (5<<1) /* Destination is in ES:(E)DI */ #define DstDI (5<<1) /* Destination is in ES:(E)DI */
#define DstMem64 (6<<1) /* 64bit memory operand */ #define DstMem64 (6<<1) /* 64bit memory operand */
#define DstImmUByte (7<<1) /* 8-bit unsigned immediate operand */
#define DstMask (7<<1) #define DstMask (7<<1)
/* Source operand type. */ /* Source operand type. */
#define SrcNone (0<<4) /* No source operand. */ #define SrcNone (0<<4) /* No source operand. */
@@ -2693,6 +2694,12 @@ done_prefixes:
decode_register_operand(&c->dst, c, decode_register_operand(&c->dst, c,
c->twobyte && (c->b == 0xb6 || c->b == 0xb7)); c->twobyte && (c->b == 0xb6 || c->b == 0xb7));
break; 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 DstMem:
case DstMem64: case DstMem64:
c->dst = memop; c->dst = memop;