chrp mmu and booting.

Segher Boessenkool segher at
Mon Jan 26 18:51:01 EST 2004

> If you are talking about non-IBM HW, then you can't rely on what
> happens
> on IBM CHRP as a reference :) Any OF implementation does things
> differently
> (and for example, Apple's one runs in virtual mode, not in real mode,
> thus
> the translate call is useful in case you are loaded at a non-1:1
> address).

Any compliant PowerPC OF implementation is required to be able to run in
both real- and virtual mode.  Apple's OF runs in virtual mode by
IBM's in real mode.  And neither runs very well in the "other" mode, as
is seldom (if ever) tested...


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