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Re: [linux-mac68k] Re: PowerBook 540c



On Fri, 29 Oct 2004, Brad Boyer wrote:
> On Sat, Oct 30, 2004 at 10:57:40AM +1000, Finn Thain wrote:
> > Yes. The linux 2.6.8.1 kernel will not boot my LC040 at all unless FPU
> > emulation is configured in. Could I fix it simply building the kernel with
> > a softfloat-enabled gcc?
> 
> I think this is just because the kernel thinks you should always have
> either the emulation or a real FPU, so it does something stupid. The
> kernel didn't do that before the emulation code was added.

Indeed. It executes FPU instructions to save/restore the FPU state.

Please add CONFIG_FPU (and set it to N) to arch/m68k/Kconfig and try
http://linux-m68k-cvs.ubb.ca/~geert/uClinux-amiga-2.6.x-merging/012-nofpu.diff

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds



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