From: "Carl Holtje ;021;vcsg6;" <cwh0803@cs.rit.edu>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: Breakage in -unstable for Transmeta -- Solution
Date: Mon, 27 Jun 2005 11:55:01 -0400 (EDT) [thread overview]
Message-ID: <Pine.GSO.4.58.0506271153260.22586@newavalon.cs.rit.edu> (raw)
In-Reply-To: <b9fe08309c645a5c71f8a5b95975fdf2@cl.cam.ac.uk>
On Sat, 25 Jun 2005, Keir Fraser wrote:
>
> On 25 Jun 2005, at 02:57, Carl Holtje ;021;vcsg6; wrote:
>
> > * In xen/arch/x86/boot/x86_32.S, disable FPU initialization
> > * In xen/arch/x86/boot/x86_32.S, disable PGE enabling
> > * In xen/{I don't remember}/flushtlb.c, the call to local_flush_tlb or
> > something of this nature calls __pge_off() and __pge_on -- I used a
> > #ifdef
> > CONFIG_X86_TRANSMETA to work around it as local_flush_tlb is a #define.
> > (I'm certainly not saying what I've done is best by any means, but it
> > works for me..)
>
> The PGE enable, and __pge_off/__pge_on, are easily handled. I'll do a
> patch for those.
>
> Do Transmeta CPUs really not have an FPU unit?
No, they do in fact have FPUs.. it is my understanding they are
initialized auto-magically by the CPU, and a subsequent initialization
from software totally confused the device, and it reset.
I'm workin' on a proper patch -- I'm in and out of the office all week, so
it may take me a bit..
Thanks!
Carl
- --
"There are 10 types of people in the world: Those who understand binary
and those that don't."
prev parent reply other threads:[~2005-06-27 15:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-22 18:50 Breakage in -unstable for Transmeta Carl Holtje ;021;vcsg6;
2005-06-23 10:22 ` Keir Fraser
2005-06-23 20:45 ` Carl Holtje ;021;vcsg6;
2005-06-23 22:18 ` Keir Fraser
2005-06-24 0:23 ` Carl Holtje ;021;vcsg6;
2005-06-24 9:33 ` Keir Fraser
2005-06-24 13:30 ` Carl Holtje ;021;vcsg6;
2005-06-24 13:55 ` Keir Fraser
2005-06-24 15:57 ` Carl Holtje ;021;vcsg6;
2005-06-24 16:15 ` Keir Fraser
2005-06-24 19:22 ` Breakage in -unstable for Transmeta -- Solution Carl Holtje ;021;vcsg6;
2005-06-24 20:33 ` Keir Fraser
2005-06-25 1:57 ` Carl Holtje ;021;vcsg6;
2005-06-25 9:21 ` Keir Fraser
2005-06-27 15:55 ` Carl Holtje ;021;vcsg6; [this message]
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