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KVM: x86 emulator: add Src2Imm decoding

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Needed for 3-operand IMUL.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-08-18 19:25:28 +03:00
parent 39f21ee546
commit 7db41eb762
1 changed files with 4 additions and 0 deletions
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4
arch/x86/kvm/emulate.c
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@ -95,6 +95,7 @@
#define Src2CL (1<<29)
#define Src2ImmByte (2<<29)
#define Src2One (3<<29)
#define Src2Imm (4<<29)
#define Src2Mask (7<<29)
#define X2(x...) x, x
@ -2844,6 +2845,9 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt)
c->src2.bytes = 1;
c->src2.val = 1;
break;
case Src2Imm:
rc = decode_imm(ctxt, &c->src2, imm_size(c), true);
break;
}
if (rc != X86EMUL_CONTINUE)