About zImage, vmlinux and yaboot on IBM Power

[Ryan Wang]

2011/10/19 Tony Breeds <tony at bakeyournoodle.com>

> On Tue, Oct 18, 2011 at 09:18:14PM +0800, Ryan Wang wrote:
> > Hello,
> >
> > I have some question about zImage, vmlinux and yaboot on IBM Power:
> >     1) vmlinux is wrapped into zImage if zImage is used.
> >     2) If yaboot is used, no zImage is needed, just vmlinux/initrd.
> > Are there words right?
>
> Yes that's correct.  Yaboot can boot either zImage or a vmlinux (and
> optional initrd).
>
> Sorry, I'm a little confused.
In the kennel doc,
http://lxr.linux.no/#linux+v3.0.3/Documentation/powerpc/bootwrapper.txt
it says zImage add boot wrapper to vmlinux.

If yaboot boot zImage, then the control would be
     yaboot -> boot wrapper used by zImage -> vmlinux,
right?


thanks,


>
> Yours Tony
>
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