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authorAvi Kivity <avi@redhat.com>2010-08-18 15:25:25 (GMT)
committerAvi Kivity <avi@redhat.com>2010-10-24 08:51:12 (GMT)
commitf3a1b9f49647133e8c6eb6a68399ed8dbd61554a (patch)
tree7535212f90ac78a2695d998d1e27150a768ab277
parent40ece7c7297da90e54e147d3bfbb4531f9fbc570 (diff)
downloadlinux-fsl-qoriq-f3a1b9f49647133e8c6eb6a68399ed8dbd61554a.tar.xz
KVM: x86 emulator: implement IMUL REG, R/M, imm8 (opcode 6B)
Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/emulate.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 9e58f50..618386f 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -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 */