kernel mapping

[Dan Malek]

Frank Rowand wrote:

> I also have the beginnings of simulated BAT mapping for the 405
> (not quite there, but part way).

I know.  I'm currently re-writing it all to be generic.  All of
the 4xx specific pinned entry stuff is gone.  I've been thinking
about this too long for the 8xx and now have a reason to do it.
Some of the logic is in the iopa and mm_ptov functions now, which
will also just work fine on the 6xx/7xx/7xxx.


	-- Dan

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