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Re: Tester with IP27/IP30 needed

To: Kumba <kumba@gentoo.org>
Subject: Re: Tester with IP27/IP30 needed
From: Florian Lohoff <flo@rfc822.org>
Date: Wed, 6 Feb 2008 09:56:10 +0100
Cc: Thiemo Seufer <ths@networkno.de>, Ralf Baechle <ralf@linux-mips.org>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, linux-mips@linux-mips.org, debian-mips@lists.debian.org
In-reply-to: <47A928BF.5000302@gentoo.org>
Organization: rfc822 - pure communication
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <479609A6.2020204@gentoo.org> <20080122154958.GA29108@linux-mips.org> <479AA532.5040603@gentoo.org> <20080126143949.GA6579@alpha.franken.de> <47A4E9DF.5070603@gentoo.org> <20080203021647.GA15910@linux-mips.org> <20080203062711.GA28394@paradigm.rfc822.org> <47A80C0A.4040106@gentoo.org> <20080205122211.GA24136@networkno.de> <47A928BF.5000302@gentoo.org>
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On Tue, Feb 05, 2008 at 10:25:51PM -0500, Kumba wrote:
> >Kumba wrote:
> >
> >glibc for mips has currently no such mechanism. Note that this change
> >breaks MIPS I CPUs, so it is not generally applicable.
> 
> I'll have to ask one of our devs who knows autoconf really well.  I figure 
> that's probably a good place to catch something like this.  Have configure 
> check /proc/cpuinfo and look for "R10000", and if it finds it, mod CFLAGS 
> to pass -DR10k_LLSC_WAR, and #ifdef on that in atomic.h.
> 
> Sound plausible?

No - the very same GLIBC does not work on mips1 machines and vice versa.
Might by okay for gentoo but debian needs a run everywhere glibc which
means some ld.so tricks like with the libc6-i686 to load a different
glibc from my understanding.

Flo
-- 
Florian Lohoff                  flo@rfc822.org             +49-171-2280134
        Those who would give up a little freedom to get a little 
          security shall soon have neither - Benjamin Franklin

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