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Re: [Xen-devel] xen,bproc and grub

To: "Ronald G. Minnich" <rminnich@xxxxxxxx>
Subject: Re: [Xen-devel] xen,bproc and grub
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 16 Nov 2004 09:46:29 +0000
Cc: Adam Sulmicki <adam@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
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> > > any idea if xen works with this cpu?
> > >
> > >   CPU: Centaur VIA Samuel 2 stepping 03
> > >
> > > linux boots on it just fine, but .. looking at comments in x86_32.S I see
> > > it wants "P6+" cpu. I seem have some difficulty figuring out exactly what
> > > this CPU supoprts but the url below states that if nothing else it should
> > > be compiled as in "march=i586"...
> > so far I see:
> >     3 - Page Size Extensions (4MB) 0
> > whereas the x86_32.S seems assume 4MB pages support.
> oh oh!
> seems like that assumption needs repair :-)

It could certainly be repaired, but all new C3s (based on Nehemia
core) have PSE, and more recent ones (stepping 8+) even have a local
APIC. The Samuel-2 CPUS are rather weedy -- there is not much point in
virtualising them.

 -- Keir

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