[U-Boot] [PATCH] relocation: Do not relocate NULL pointers.

[Wolfgang Denk <wd@denx.de>]

Dear Peter Tyser,

In message <1254773254.24664.657.camel@localhost.localdomain> you wrote:
> 
> > 32 bit alignment of the BSS segment might not be sufficient. Be
> > careful!
> 
> I've tried a few ways to ensure the BSS isn't at address 0x0, and they
> all seem to have their shortcomings.  I'm currently leaning towards
> doing something along the lines of the above, ie ORing 0x10 into the BSS
> address.
> 
> I had assumed 8 or 16 bit alignment of the BSS would be sufficient.
> Could you give a little background on your warning above about 32 bit
> alignment being insufficient?

I don't know all flavours of Power machines, but gcc seems to align
"double" on 64 bit boundaries. This makes me think it might be needed.

Best regards,

Wolfgang Denk

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