AcoSail/kernel_optimize_test
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KVM: x86 emulator: implement 'movnti mem, reg'

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Implement emulation of instruction:
    movnti m32/m64, r32/r64
    opcode: 0x0f 0xc3

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Sheng Yang 2007-10-15 14:24:20 +08:00 committed by Avi Kivity
parent 8668a3c468
commit a012e65aee
1 changed files with 6 additions and 1 deletions
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7
drivers/kvm/x86_emulate.c
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@ -212,7 +212,8 @@ 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 */
@ -1501,6 +1502,10 @@ x86_emulate_memop(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
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;