[U-Boot-Users] [PATCH][FOR 1.3.4] 85xx: Don't move interrupt vector to low memory

[Scott Wood]

On Wed, Aug 06, 2008 at 04:42:51PM +0200, Wolfgang Denk wrote:
> In message <41F2F68F-34F5-4D3B-8AA1-294589B48033 at kernel.crashing.org> you wrote:
> > 
> > > Oops? This is expected and normal behaviour. Did anybody complain
> > > about this?

It's hit me before when I foolishly try to load something at address
zero -- why do we put u-boot at the end of RAM, and put up with the
relocation weirdness, if not to allow loading things at zero?

> > Real, any reason why?  I understand on classic PPC this might be the  
> > case but I see no reason for it to be so on book-e parts.
> 
> Well, one reason might be to have identical code for all PPC systems ?

It's already 85xx-specific code.

> > Any they are.  I'm just removing a second relocation that is a hold  
> > over from how 6xx PPC exception vectors work.
> 
> Not only 6xx. Actually all PPC.

No, not all PPC.  Book-E exceptions are different.

-Scott