On Tue, 14 Dec 1999 CaptnZilog@aol.com wrote:

> >Jason Thorpe <thorpej@nas.nasa.gov> wrote:
> >>
> >> I have a book which describes the specific differences in the 601
> >> as compared to the standard PowerPC architecture, and it looks like
> >> it won't be that hard to fix things up.  [Chuq -- I should photocopy
> >> the relevant sections for you]
> 
> Just as a quick side note...
> 
> I had looked for PPC601 info on the Motorola site earlier this year, and not 
> found anything.  But, recently, I was looking for 88K cpu info and stumbled 
> across PDF's of all the documentation on PPC601, 603(e), 604(e), PPC750, etc. 
>  Downloaded the 601 info...  the biggest changes will probably be in the 
> BAT's for the memory management stuff (pmap).

I may be off my rocker on this one, but I would also expect an illegal
instruction trap when you tried to do much of anything that assumed a
split cache, like isync, for example.  I could be wrong, though.  I try to
stay out of the exception handling code in MkLinux whenever possible....
;-)


David