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authorTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>2011-05-29 22:00:22 +0900
committerAvi Kivity <avi@redhat.com>2011-07-12 13:16:02 +0300
commitebda02c2a5a6001c787f311b4d5a0dc827ce2d92 (patch)
tree310ab8c2b6e742b69de2047b0bdbbe968f6acf91 /arch/x86/kvm
parente4f973ae913028bac8c07187e0fd49c1dc08ce58 (diff)
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KVM: x86 emulator: Use opcode::execute for RET(C3)
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/emulate.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index c3d071dfe50..2ebec692d44 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1816,6 +1816,16 @@ static int em_grp9(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
+static int em_ret(struct x86_emulate_ctxt *ctxt)
+{
+ struct decode_cache *c = &ctxt->decode;
+
+ c->dst.type = OP_REG;
+ c->dst.addr.reg = &c->eip;
+ c->dst.bytes = c->op_bytes;
+ return em_pop(ctxt);
+}
+
static int em_ret_far(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
@@ -3188,7 +3198,7 @@ static struct opcode opcode_table[256] = {
/* 0xC0 - 0xC7 */
D2bv(DstMem | SrcImmByte | ModRM),
I(ImplicitOps | Stack | SrcImmU16, em_ret_near_imm),
- D(ImplicitOps | Stack),
+ I(ImplicitOps | Stack, em_ret),
D(DstReg | SrcMemFAddr | ModRM | No64), D(DstReg | SrcMemFAddr | ModRM | No64),
G(ByteOp, group11), G(0, group11),
/* 0xC8 - 0xCF */
@@ -3943,12 +3953,6 @@ special_insn:
case 0xc0 ... 0xc1:
rc = em_grp2(ctxt);
break;
- case 0xc3: /* ret */
- c->dst.type = OP_REG;
- c->dst.addr.reg = &c->eip;
- c->dst.bytes = c->op_bytes;
- rc = em_pop(ctxt);
- break;
case 0xc4: /* les */
rc = emulate_load_segment(ctxt, VCPU_SREG_ES);
break;