Re: [Xen-devel] MMIO emulation failed & successful reboot

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 06/10/2011 07:59, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

>>>> On 05.10.11 at 19:03, Liwei <xieliwei@xxxxxxxxx> wrote:
>>         (XEN) io.c:194:d5 MMIO emulation failed @
>> 0010:fffff800036c7d00: 0f 28 04 10 0f 28
> 
> Sooner or later we will need to support at least the most fundamental
> SSE (and perhaps also AVX) instructions. What I'm surprised about is
> that this is a load from memory rather than a store - I would have
> hoped that we could get away with just emulating stores.

Supporting a few more MOV variants would be nice at least. We've got away
with MOVQ as our only supported MMX instruction for a long time...

We'd just need to extend the get_fpu() callback to understand and check for
X86_EMUL_sseN/avx.

 -- Keir

> Jan
> 
> 
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