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KVM: x86 emulator: implement IMUL REG, R/M, imm8 (opcode 6B)

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Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-08-18 18:25:25 +03:00
parent 40ece7c729
commit f3a1b9f496
1 changed files with 11 additions and 1 deletions
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12
arch/x86/kvm/emulate.c
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@ -2264,6 +2264,15 @@ static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
static int em_imul_3op(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
c->dst.val = c->src2.val;
emulate_2op_SrcV_nobyte("imul", c->src, c->dst, ctxt->eflags);
return X86EMUL_CONTINUE;
}
#define D(_y) { .flags = (_y) }
#define N D(0)
#define G(_f, _g) { .flags = ((_f) | Group), .u.group = (_g) }
@ -2371,7 +2380,8 @@ static struct opcode opcode_table[256] = {
N, N, N, N,
/* 0x68 - 0x6F */
I(SrcImm | Mov | Stack, em_push), N,
I(SrcImmByte | Mov | Stack, em_push), N,
I(SrcImmByte | Mov | Stack, em_push),
I(DstReg | SrcMem | ModRM | Src2ImmByte, em_imul_3op),
D(DstDI | ByteOp | Mov | String), D(DstDI | Mov | String), /* insb, insw/insd */
D(SrcSI | ByteOp | ImplicitOps | String), D(SrcSI | ImplicitOps | String), /* outsb, outsw/outsd */
/* 0x70 - 0x7F */