Re: [Xen-devel] [PATCH 2/4] Enable VirtualPC 2007 run on top of XEN: fxsave emulation

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Emulate by calling ->load_fpu_ctxt() hook, then "fxsave" into a private
buffer and then call ->write() hook a word at a time. Slow, but probably
fast enough and avoids having another hook.

Ultimately I plan to improve the read/write hooks to accept arbitrary length
parameters.

 -- Keir

On 1/2/08 06:24, "Su, Disheng" <disheng.su@xxxxxxxxx> wrote:

> IF guest CR0.wp is 0 and the destination address is ReadOnly, we have to
> emulate it.
> 
> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
> Signed-off-by: Disheng Su <disheng.su.com>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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