> I think it'd probably be correct to fill in the CPU functions first,
> then the board-level functions.  (Only case where i think that might
> be wrong is for icache-sync... i'd think about that for a while before
> implementing.)
>
> anyway, just some thoughts to chew on.  8-)

Thank you Chirs, in valuable technical comments.  I have been
involving with MIPS processor than you, and your clarification made
more people understood the processor family. 

Tohru Nishimura