> On Mon, 11 Apr 2005, Kevin D. Kissell wrote:
>
> > If the 4KC and 4KEC need it, so does the 4KSC (and 4KSD).
>
> But that's weird in the first place as 4Kc implements the original
> revision of MIPS32 so it does not implement "ehb". Therefore it acts just
> as an ordinary "nop", but according to the 4K manual there is no need for
> one -- the hazard between a move to EntryLo0/EntryLo1 and tlbwi/tlbwr is
> explicitly listed as 0 instructions.
Oops. Maybe I misread the patch. I thought the added NOP was between
the TLBWR and the ERET.
Kevin K.
