[U-Boot-Users] RE: Virtex-II Pro and Instruction Prefetching

[Stefan Roese]

Hi!

> > > there's a bug in cpu/ppc4xx/start.S I've pointed out previously that
> > > nobody has rendered an opinion on as of yet :-)
> > 
> > You mean the STD_EXCEPTION vs. CRIT_EXCEPTION ?
> > 
> > I am waiting for Stefan to pick this up :-)
> > 
> > But actually it should not matter at all: your code is never supposed
> > to run into such an exception.  If  it's  crashing  anyway  there  is
> > little difference if it's crashing "correctly" or not ;-)
> 
> The problem with it crashing incorrectly is that the Oops message 
> lies to you, as it's reporting the contents of SRR0/SRR1, not SRR2/SRR3 
> as it should be for a critical exception. Makes it more difficult to
> debug when you think the wrong instruction is causing the exception.

OK, this seems to be correct. Let's give it a try!

Best regards,
Stefan.