Re: [Qemu-devel] [PATCH for-1.6] target-mips: do not raise exceptions when accessing invalid memory

[Hervé Poussineau]

Andreas Färber a écrit :
> > > [snip]
> > >
> > > Have you tested Jan's patches limiting the new unassigned read value -1
> > > to PIO?
> > I have tried this patches, and they don't fix the problem.
>
> Too bad. So what do you propose? Restoring #ifdef and using
> empty_slot_init() have been suggested so far, any other concrete ideas?

Another idea (not tested): override the CPUClass->do_unassigned_level on 
board level, to only raise IBE and no DBE.
That way, right behaviour is kept in global code, and "bad" code is only 
at board level, where it can be removed later board after board.

Hervé