From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Subject: [PATCH 1/4] KVM: x86 emulator: use SrcAcc to simplify stos decoding Date: Wed, 04 Aug 2010 15:36:53 +0800 Message-ID: <4C591895.5040505@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit To: Avi Kivity , kvm@vger.kernel.org Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:53608 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932242Ab0HDHi6 (ORCPT ); Wed, 4 Aug 2010 03:38:58 -0400 Sender: kvm-owner@vger.kernel.org List-ID: Use SrcAcc to simplify stos decoding. Signed-off-by: Wei Yongjun --- arch/x86/kvm/emulate.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index f03ff26..4624b11 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2175,7 +2175,8 @@ static struct opcode opcode_table[256] = { D(ByteOp | SrcSI | DstDI | Mov | String), D(SrcSI | DstDI | Mov | String), D(ByteOp | SrcSI | DstDI | String), D(SrcSI | DstDI | String), /* 0xA8 - 0xAF */ - D(DstAcc | SrcImmByte | ByteOp), D(DstAcc | SrcImm), D(ByteOp | DstDI | Mov | String), D(DstDI | Mov | String), + D(DstAcc | SrcImmByte | ByteOp), D(DstAcc | SrcImm), + D(ByteOp | SrcAcc | DstDI | Mov | String), D(SrcAcc | DstDI | Mov | String), D(ByteOp | SrcSI | DstAcc | Mov | String), D(SrcSI | DstAcc | Mov | String), D(ByteOp | DstDI | String), D(DstDI | String), /* 0xB0 - 0xB7 */ @@ -2937,8 +2938,6 @@ special_insn: case 0xa8 ... 0xa9: /* test ax, imm */ goto test; case 0xaa ... 0xab: /* stos */ - c->dst.val = c->regs[VCPU_REGS_RAX]; - break; case 0xac ... 0xad: /* lods */ goto mov; case 0xae ... 0xaf: /* scas */ -- 1.7.0.4