[U-Boot] [PATCH 12/26] ARM: add relocation support

Wolfgang Denk
2010-09-17T22:42:04Z

Dear Albert ARIBAUD,

In message <4C93E978.9010508@free.fr> you wrote:
>
> > u-boot.map for this board shows:
> >
> > ...
> > arch/powerpc/lib/cache.o(.text)
> > .text 0x40007c20 0x64 arch/powerpc/lib/cache.o
> > 0x40007c20 flush_cache
> > 0x00008000 . = DEFINED (env_offset)?env_offset:.
> > *fill* 0x40007c84 0x37c 00
> > common/env_embedded.o(.ppcenv)
> > .ppcenv 0x40008000 0x8000 common/env_embedded.o
> > 0x40008000 environment
> > 0x4000c000 redundand_environment
> > *(.text)
> > .text 0x40010000 0x4 common/env_embedded.o
> > 0x40010000 env_size
> > .text 0x40010004 0x0 lib/libgeneric.a(ctype.o)
> > ...
> >
> > So we are "wasting" 0x37c = 892 bytes of memory for an unused gap.
> > The last changes where the object placing had to be changed due to
> > code size etc. were commit 32482be6 (Feb 19, 2009), and before that
> > fe57bb19 (Sep 18, 2002). Having to tweak this file every 7 years or
> > so is something I'm considering to be acceptable. YMMV...
>
> This is a simple alignment. I do not need to align code, I need to map
> *one* symbol, namely _start, at a given location, here 0xffff0000, so
> that the 64 KB sector which contains start is not wasted and the image
> resides in as few sectors as possible.

And I map *one* symbol, namely environment, at a given location, here
0x40008000.

It seems you are not willing or trying or able to understand. I give
up here.

Viele Gr??e,

Wolfgang Denk

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