Ralf Baechle writes:
> On Tue, Feb 15, 2000 at 11:23:49PM +0100, Kevin D. Kissell wrote:
> > mtc0 k1, CP0_ENTRYLO1 # load it
> > b 1f
> > tlbwr # write random tlb entry
> > 1:
> > nop
> > eret
> Funky trick, isn't it? I don't have the the R4600 / R5000 docs at hand
> but as I understood them the above code should also work just perfect
> for them.
There is a need for a workaround on the R5000 for a "bad $badvaddr"
problem. The except_vec0_r45k_bvahwbug() variation does not appear to be
enabled for the R5000. (It should not be needed for the RM7000 or the RM5271.)