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Powerpc IRQ handling breaks strict EABI compliance

Till Straumann wrote:

> Yes, but it seems that quite a couple of ppc BSPs have versions of
> irq_asm.S/vector.S derived from your original ones and hence clobber R2
> (R13 looks better, AFAIK).


I think I missexpressed myself : the patch to let R2 read only is needed 
in each BSP, only I wanted to express my doubt about making all BSP code 
entirely EABI compliant which as you pointed out requires other things 
to be done...

-- eric