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Date: Sun, 2 Dec 2007 13:18:38 +0200 From: Avi Kivity <avi@...ranet.com> To: stable@...nel.org Cc: linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net, Sheng Yang <sheng.yang@...el.com>, Avi Kivity <avi@...ranet.com> Subject: [PATCH 01/10] KVM: x86 emulator: implement 'movnti mem, reg' From: Sheng Yang <sheng.yang@...el.com> 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@...el.com> Signed-off-by: Avi Kivity <avi@...ranet.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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