Wolfgang Denk <w...@denx.de> wrote on 2011/01/09 21:54:34:
>
> Dear Joakim Tjernlund,
>
> In message <1292838435-14958-3-git-send-email-joakim.tjernl...@transmode.se>
> you wrote:
> > By copying the GOT to the end of the INIT_RAM(dcache)
> > and relocating it there, it is much esier to
> > support true PIC on u-boot. This cannot handle
> > FIXUP so C code that depends on fixups before relocation to RAM
> > must use LINK_OFF to calculate the difference.
> ...
> > + /*
> > + * Copy GOT to cache and relocate it
> > + * This assumes there is enough space at the end
> > + * INIT_RAM to hold a copy of the GOT.
> > + */
>
> Is it correct to assume that system will crash horribly if for some
> reason the GOT should not fit?
Yes ATM. I considered adding tests but it will cost more space and I
am not sure how to report the error this early.
>
> And this means that there is no way to adapt this approach to systems
> where initial RAM is restrictd and not big enough to hold a copy of
> the GOT?
Can't think of one, you need somewhere to put the GOT. You can work on
reducing the GOT size though.
Jocke
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