[U-Boot] [PATCH 6/6] powerpc: Add LINK_OFF calls in early C-code.

Joakim Tjernlund joakim.tjernlund at transmode.se
Wed Nov 24 01:40:01 CET 2010


Scott Wood <scottwood at freescale.com> wrote on 2010/11/23 23:32:04:
>
> On Tue, 23 Nov 2010 23:14:06 +0100
> Joakim Tjernlund <joakim.tjernlund at transmode.se> wrote:
>
> > Scott Wood <scottwood at freescale.com> wrote on 2010/11/23 22:20:58:
> > > "load address" being pre-relocation?  Currently these must be equal
> > > (which doesn't seem particularly burdensome).
> >
> > Yes, but in our case we update the boot in the field and we want to
> > make that safer by having two uboot areas but we don't want to carry around
> > two u-boot images.
>
> How about playing with BATs before entering C code, so that the image
> always appears at the same effective address?

hmm, never thought of that. The extra bonus would be that LINK_OFF should
not be needed either.

 Jocke



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