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Re: NON FPU cpus - way to go

To: macro@ds2.pg.gda.pl (Maciej W. Rozycki)
Subject: Re: NON FPU cpus - way to go
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Wed, 7 Feb 2001 18:53:29 +0000 (GMT)
Cc: flo@rfc822.org (Florian Lohoff), linux-mips@oss.sgi.com, ralf@oss.sgi.com
In-reply-to: <Pine.GSO.3.96.1010207171821.1418B-100000@delta.ds2.pg.gda.pl> from "Maciej W. Rozycki" at Feb 07, 2001 05:36:33 PM
Sender: owner-linux-mips@oss.sgi.com
>  The i386 way seems reasonable, IMHO.  Have a configure option to enable
> an FPU emulator.  Panic upon boot if no FP hardware is available and no
> emulator is compiled in. 

Its an interesting question whether it belongs in the kernel or libc. 
Discuss ;)

Also we missed a trick on the x86 and I want to fix that one day, which is
to have an __fpu ELF segment so if you boot an FPU emu kernel on an fpu
box you regain 47K


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