[PATCH 1/6] bootwrapper: arch/powerpc/boot code reorg

Mark A. Greer mgreer at mvista.com
Tue Sep 19 10:45:03 EST 2006

On Sat, Sep 16, 2006 at 02:01:48PM +1000, Paul Mackerras wrote:

Hi Paul,

> Mark A. Greer writes:
> > Yes.  Whether you pass the NULL or not hinges on whether its flat tree
> > or not so I made it a dt_op.  What are you thinking?
> There's basically only two cases: if we have a builtin flat tree, we
> pass that and NULL in r5; if we don't, and we have OF, we pass NULL in
> r3 and the OF entry point in r5.  I think that could be handled in
> main.c.


> We also lost the "enforce minimum address only for 64-bit" thing in
> the translation, too.

You mean the "if (claim_base < PROG_START)" if stmt, right?  
Would adding an "#if defined(__powerpc64__) && defined(PROG_START)" be

I should change simple_alloc to _ALIGN_UP only 4K while I'm at it.

> I believe that just patch 1/6 on its own won't give us a working
> zImage, so we'll have to split up the changes differently when it
> comes time to check this stuff in to git.

You're right.  I'll fix that up.


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