Binary Compatibility of various flavors of PPC

[Wolfgang Denk]

In message <Pine.LNX.4.33.0210141315200.24959-100000 at localhost.localdomain> you wrote:
>
> > > One of our requirements is to be able to run the same binary image across
> > > a range of systems. The image can not change just because the processor
> > > does.
> > >
> > > We are currently looking at the 405GPX, 8250, 8245, and PowerQUIC III.
> >
> > What do you mean with "image"?
> >
> > Kernel Image? Application image (for example ramdisk  with  libraries
> > and application binaries)? Both combined?
>
> Both combined. A bzImage and RAM disk loaded off the boot media (Flash).

That makes for an easy answer: no go.

4xx and 82xx are different enough the required efford  to  just  make
one  kernel  image  run on all these CPU makes no sense; neither from
the technical nor from the economical point of  view.  And  user-land
stuff (libraries, applications) is yet another story.

Best regards,

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
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