MOL and OSX on PPC604

[J. Blank]

Wait, wait. This isn't what I've heard.

I've heard that at least Jaguar and later (not sure about earlier
versions, but who'd want to run them? ;) ) require a G3 because APPLE, TO
FOIL PEOPLE LIKE US, SPRINKLED G3 OPCODES THROUGHOUT THE CODE... so that
you WOULD need the complete G3 instruction set just to run OS X...

Has anyone else heard this? Is this true?

On Wed, 2 Jul 2003, Samuel Rydh wrote:

> On Wed, Jul 02, 2003 at 08:37:41AM +0100, Brian Ruth wrote:
> >
> > On Tue, 1 Jul 2003, Natalia Portillo wrote:
> >
> > > Officially is ilegal to run any MacOS on non-Apple hardware.
> >
> > Well, it's against the EULA, at any rate. But I do rather regard this as an
> > interesting experiment, rather than as a permanent usage! I certainly don't
> > think I'm doing Apple out of the sale of a computer...
> >
> > Presumably the EULA has changed? Not so long ago, there were all sorts of
> > Mac clones on the market, which were specifically designed to run the MacOS.
> >
> > Anyway...
> >
> > > Also, the OS X 10.2 kernel requires G3 (I dont really know if MOL has
> > > any workaround, but almost sure that not).
>
> MOL presents the CPU as a G3 (or G4 if AltiVec is available). That the
> real CPU is a 604 shouldn't matter. That OSX "requires" a G3 is because
> the OSX doesn't support the hardware typically present in older systems
> (not an factor when MOL is used though).
>
> > The CPU doesn't support it, but MOL seems to notice whether it's there or not
> > - the resulting MOL kernel modules differ depending upon whether AltiVec
> > support is present in the kernel or not.
>
> This is because module binary compatibility is affected by the
> altivec setting of the kernel.
>
> > I haven't yet got around to looking
> > at the kernel sources to see exactly what the AltiVec stuff does, though...
> >
> > > P.S.: That "corrupted" screen is because it failed, boot it in verbose
> > > mode to have the error message.
> >
> > Ah - I didn't think of that! Might be illuminating, I guess...
>
> What MOL version are you using?
>
> /Samuel
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