From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: [patch 17/60] KVM: x86 emulator: implement movnti mem, reg Date: Wed, 12 Dec 2007 22:51:50 -0800 Message-ID: <20071213065150.GR6867@kroah.com> References: <20071213064518.328162328@mini.kroah.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Theodore Ts'o , Zwane Mwaikambo , kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Justin Forbes , Domenico Andreoli , Chris Wedgwood , Randy Dunlap , Michael Krufky , Avi Kivity , Chuck Ebbert , Dave Jones , Chuck Wolber , akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Return-path: Content-Disposition: inline; filename="kvm-x86-emulator-implement-movnti-mem-reg.patch" In-Reply-To: <20071213065039.GA6867-U8xfFu+wG4EAvxtiuMwx3w@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 2.6.23-stable review patch. If anyone has any objections, please let us know. ------------------ From: Sheng Yang patch a012e65aee48379a7a87eadafa74f878b61522b9 in mainline. Implement emulation of instruction: movnti m32/m64, r32/r64 opcode: 0x0f 0xc3 Needed to support Linux 2.6.16 as guest (used for mmio). Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity Signed-off-by: Greg Kroah-Hartman --- drivers/kvm/x86_emulate.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -198,7 +198,8 @@ static u16 twobyte_table[256] = { 0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem16 | ModRM | Mov, /* 0xC0 - 0xCF */ - 0, 0, 0, 0, 0, 0, 0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, DstMem | SrcReg | ModRM | Mov, 0, 0, 0, ImplicitOps | ModRM, + 0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 - 0xDF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 - 0xEF */ @@ -1324,6 +1325,10 @@ twobyte_insn: dst.bytes = op_bytes; dst.val = (d & ByteOp) ? (s8) src.val : (s16) src.val; break; + case 0xc3: /* movnti */ + dst.bytes = op_bytes; + dst.val = (op_bytes == 4) ? (u32) src.val : (u64) src.val; + break; } goto writeback; -- ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace