From: Sheng Yang <[email protected]>
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 <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
---
drivers/kvm/x86_emulate.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 4b8a0cc..804e86c 100644
--- 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;
--
1.5.3
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