Messages in this thread Patch in this message | | | Date | Wed, 12 Dec 2007 22:51:50 -0800 | From | Greg KH <> | Subject | [patch 17/60] KVM: x86 emulator: implement movnti mem, reg |
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2.6.23-stable review patch. If anyone has any objections, please let us know.
------------------ From: Sheng Yang <sheng.yang@intel.com>
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 <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- 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; --
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