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Re: [Qemu-devel] [PATCH] Fix extlh instruction on Alpha

From: Rob Landley
Subject: Re: [Qemu-devel] [PATCH] Fix extlh instruction on Alpha
Date: Mon, 21 Sep 2009 13:48:01 -0500
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On Monday 21 September 2009 06:37:24 Tristan Gingold wrote:
> On Sep 21, 2009, at 8:23 AM, Laurent Desnogues wrote:
> > On Mon, Sep 21, 2009 at 4:20 AM, Rob Landley <address@hidden> wrote:
> >> I'd like to boot Alpha Linux on qemu, and it doesn't seem like
> >> there's _that_
> >> much more to do.  But last I asked (a couple years ago) I was told
> >> the Alpha
> >> protected mode stuff wasn't implemented yet...
> >
> > There's been a series of patch to add ES40 proposed by Tristan Gingold
> > last March.  Look here:
> >
> > http://www.archivum.info/address@hidden/2009-03/00723/%5BQemu-deve
> >l%5D_%5BPATCH_0_24%5D:_add_alpha_es40_system_emulation
> I haven't had time to continue to work on it.  It was able to boot and
> run linux and partially boot
> tru64.  Both AlphaBios and SRM were ok.
> The main issue was speed and IO-TLB (necessary for Tru64 and VMS).

I'm only worrying about Linux at the moment.  If the patch series boots Linux, 
I'm happy to test it.

Did you boot Linux with -kernel?  Do you have the Linux .config you used?  And 
what gcc/binutils tuple were you using?  (Just straight alpha-unknown-linux?)


Latency is more important than throughput. It's that simple. - Linus Torvalds

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