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Re: FOSDEM thoughts

Maybe this is a stupid question (and maybe unrelated), but how does Debian/ARM handle FPU issues. I know XScale requires softfloat, but I don't think the Debian ARM port was compiled with softfloat. It almost looks like supporting Coldfire will be a plain pain because of the different varients in the chips (I almost see an Debian SuperH scenario coming)

On Wed, 5 Mar 2008, Roman Zippel wrote:

Date: Wed, 5 Mar 2008 05:47:43 +0100 (CET)
From: Roman Zippel <zippel@linux-m68k.org>
To: Kurt Mahan <kmahan@xmission.com>
Cc: debian-68k@lists.debian.org, Wouter Verhelst <wouter@debian.org>,
    Finn Thain <fthain@telegraphics.com.au>,
    Christian T. Steigies <cts@debian.org>,
    Ingo Juergensmann <ij@2008.bluespice.org>
Subject: Re: FOSDEM thoughts
Resent-Date: Wed,  5 Mar 2008 04:48:13 +0000 (UTC)
Resent-From: debian-68k@lists.debian.org


On Tue, 4 Mar 2008, Kurt Mahan wrote:

With respect to Floating Point there are differences within the Coldfire
V4 family.  The M547x/M548x have the FPU you have been discussing.  The
M5445x doesn't have any FPU hardware and requires everything to be
compiled with softfloat.

Linux/m68k assumes a FPU to be present, CF doesn't even know about the
extendend fp precision (long double), but it's currently used by m68k.

bye, Roman

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