440EP FPU support missing

Josh Boyer jwboyer at jdub.homelinux.org
Wed Nov 9 09:32:54 EST 2005


On Tue, 2005-11-08 at 15:30 -0700, Matt Porter wrote:
> On Tue, Nov 08, 2005 at 06:38:11PM +0100, Stefan Roese wrote:
> > In the current linux version, Bamboo (440EP) won't compile anymore, because of 
> > missing fpu support:
> > 
> > make uImage
> > ...
> >   LD      init/built-in.o
> >   LD      .tmp_vmlinux1
> > arch/ppc/kernel/head_44x.o(.text+0x868): In function `_start':
> > : undefined reference to `KernelFP'
> > make: *** [.tmp_vmlinux1] Error 1
> > 
> > Somehow arch/ppc/kernel/fpu.S has disappeared. :-( I assume, this happened in 
> > the ppc/ppc64 -> powerpc merge. Any thoughts, why this file disappeared and 
> > how to solve this problem (just restore the original file)?
> 
> arch/powerpc/kernel/fpu.S is being used now which doesn't have KernelFP.
> I don't know why the 44x fpu support wasn't using
> kernel_fp_unavailable_exception() before but I must have missed that
> reviewing it.
> 
> Try this patch.

Doesn't this render the 440EP's FPU useless?

josh





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