Re: [parisc-linux] commit FP coproc enable code?

[Grant Grundler <grundler@cup.hp.com>]

Philipp Rumpf wrote:
> > o FP enable via writing cr10 (CCR) register. Not doing this the "right"
> >   way - which is to use PDC_COPROC but it will work for all PA1.1
> >   platforms.
> 
> Why is not using PDC_COPROC not the right way ?
> It should do exactly the same
> thing, modulo machines without FPU (for which we do not provide emulation
> anyway) and firmware bugs ...

You are right.
But I'm lazy and I don't care right now about machines older than PA 1.1.
Someone who cares about PA 1.0 can implement that.

> 
> > ===================================================================
> > RCS file: /home/cvs/parisc/linux/arch/parisc/kernel/head.S,v
> > retrieving revision 1.32
> > diff -u -r1.32 head.S
> > --- head.S      1999/08/31 19:25:23     1.32
> > +++ head.S      1999/09/30 22:43:03
> 
> I would prefer to do this somewhere after the kernel is loaded, in C,
> surrounded
> by a pair of printks, so we know whether it is this that hangs the machine.

Agreed...I'll do that....thanks!

grant


Grant Grundler
Communications Infrastructure Computer Operations
+1.408.447.7253