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Re: [Xen-devel] [PATCH 2/4] Enable VirtualPC 2007 run on top of XEN: fxs
| To: | "Su, Disheng" <disheng.su@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 2/4] Enable VirtualPC 2007 run on top of XEN: fxsave emulation |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Fri, 01 Feb 2008 12:05:50 +0000 |
| Delivery-date: | Fri, 01 Feb 2008 04:06:22 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH 2/4] Enable VirtualPC 2007 run on top of XEN: fxsave emulation |
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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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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