From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 059/104] KVM: x86 emulator: implement 'push reg' (opcodes 0x50-0x57) Date: Mon, 17 Sep 2007 10:31:41 +0200 Message-ID: <119001794869-git-send-email-avi@qumranet.com> References: <11900179463203-git-send-email-avi@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <11900179463203-git-send-email-avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org From: Nitin A Kamble Signed-off-by: Nitin A Kamble Signed-off-by: Avi Kivity --- drivers/kvm/x86_emulate.c | 16 +++++++++++++++- 1 files changed, 15 insertions(+), 1 deletions(-) diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 1036e02..cf895aa 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -99,7 +99,8 @@ static u8 opcode_table[256] = { /* 0x40 - 0x4F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 - 0x57 */ - 0, 0, 0, 0, 0, 0, 0, 0, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, + ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, /* 0x58 - 0x5F */ ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, ImplicitOps, @@ -1151,6 +1152,19 @@ special_insn: if (twobyte) goto twobyte_special_insn; switch(b) { + case 0x50 ... 0x57: /* push reg */ + if (op_bytes == 2) + src.val = (u16) _regs[b & 0x7]; + else + src.val = (u32) _regs[b & 0x7]; + dst.type = OP_MEM; + dst.bytes = op_bytes; + dst.val = src.val; + register_address_increment(_regs[VCPU_REGS_RSP], -op_bytes); + dst.ptr = (void *) register_address( + ctxt->ss_base, _regs[VCPU_REGS_RSP]); + no_wb = 1; /* force writeback */ + break; case 0x6c: /* insb */ case 0x6d: /* insw/insd */ if (kvm_emulate_pio_string(ctxt->vcpu, NULL, -- 1.5.3 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/