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authorTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>2011-04-23 18:51:07 +0900
committerAvi Kivity <avi@redhat.com>2011-05-22 08:39:43 -0400
commitb96a7fad020b42eb4a564f8a2fb41827a83c4375 (patch)
tree381f8a65caa493256cace5cdb479dc5b9ab32aa5 /arch/x86
parentc54fe504693204fa672b10a57c3d82a8c41e0b4e (diff)
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KVM: x86 emulator: Use opcode::execute for PUSHA/POPA (60/61)
For this, emulate_pusha/popa() are converted to em_pusha/popa(). Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/emulate.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 9f491bfb00f..b7c6e43e4f2 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1473,7 +1473,7 @@ static int emulate_pop_sreg(struct x86_emulate_ctxt *ctxt,
return rc;
}
-static int emulate_pusha(struct x86_emulate_ctxt *ctxt)
+static int em_pusha(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
unsigned long old_esp = c->regs[VCPU_REGS_RSP];
@@ -1494,8 +1494,7 @@ static int emulate_pusha(struct x86_emulate_ctxt *ctxt)
return rc;
}
-static int emulate_popa(struct x86_emulate_ctxt *ctxt,
- struct x86_emulate_ops *ops)
+static int em_popa(struct x86_emulate_ctxt *ctxt)
{
struct decode_cache *c = &ctxt->decode;
int rc = X86EMUL_CONTINUE;
@@ -1508,7 +1507,7 @@ static int emulate_popa(struct x86_emulate_ctxt *ctxt,
--reg;
}
- rc = emulate_pop(ctxt, ops, &c->regs[reg], c->op_bytes);
+ rc = emulate_pop(ctxt, ctxt->ops, &c->regs[reg], c->op_bytes);
if (rc != X86EMUL_CONTINUE)
break;
--reg;
@@ -3098,7 +3097,8 @@ static struct opcode opcode_table[256] = {
/* 0x58 - 0x5F */
X8(I(DstReg | Stack, em_pop)),
/* 0x60 - 0x67 */
- D(ImplicitOps | Stack | No64), D(ImplicitOps | Stack | No64),
+ I(ImplicitOps | Stack | No64, em_pusha),
+ I(ImplicitOps | Stack | No64, em_popa),
N, D(DstReg | SrcMem32 | ModRM | Mov) /* movsxd (x86/64) */ ,
N, N, N, N,
/* 0x68 - 0x6F */
@@ -3823,12 +3823,6 @@ special_insn:
case 0x48 ... 0x4f: /* dec r16/r32 */
emulate_1op("dec", c->dst, ctxt->eflags);
break;
- case 0x60: /* pusha */
- rc = emulate_pusha(ctxt);
- break;
- case 0x61: /* popa */
- rc = emulate_popa(ctxt, ops);
- break;
case 0x63: /* movsxd */
if (ctxt->mode != X86EMUL_MODE_PROT64)
goto cannot_emulate;