[U-Boot] [TESTING PATCH] ppc: Relocation test patch

[Wolfgang Denk]

Dear Joakim Tjernlund,

In message <OF680476D5.A9D9D259-ONC1257634.00449AC4-C1257634.0045177E at transmode.se> you wrote:
>
> > But why has the GOT table to fit "into built-in CPU memory"? When we
> > are about to relocate U-Boot to RAM, we already have RAM working. So
> > we should also be able to copy the GOT table to RAM and modify it
> > there as needed before we use it?
> 
> Before you get RAM working there are lots of references to global data and
> string literals. These point to their link address so if you have loaded
> u-boot at a different address than you link address you have to adjust for
> the offset. Hard to do that when GOT is in flash :(

Ah, I finally GOT you :-)

Hm... but being able to load (and start) U-Boot from an arbitrary RAM
location would be a big benefit, too, even if we still have to copy it
to the correct (linked) address when storing it in flash.