[U-Boot] [PATCH 1/2] RFC: create u-boot-common.lds

[Graeme Russ]

Hi Mike,

On Mon, Feb 6, 2012 at 3:27 PM, Mike Frysinger <vapier at gentoo.org> wrote:
> On Sunday 05 February 2012 22:43:33 Graeme Russ wrote:
>> On Mon, Feb 6, 2012 at 2:24 PM, Mike Frysinger wrote:
>> > it isn't just that.  i don't think a single u-boot.lds for every arch is
>> > feasible.  the kernel method allows all the common pieces to be in a
>> > common header, and then the arches to expand the specific pieces in the
>> > specific order.
>>
>> I can't say I'm a fan of the 'common bits' approach - It really does reduce
>> the readability of the linker script IMHO. It took me long enough to deal
>> with the fact that the lds file is pre-processed for TEXT_BASE ;)
>
> yes, it does make the linker scripts a bit more opaque, but since each arch is
> doing something unique, it's fairly hard to merge them into a single file.  the
> Linux approach represents what we can do in the real world -- get beyond
> board-specific linker scripts and to one linker script per arch.  then the
> vmlinux.lds.h merges a lot of the stuff that can be shared between arches.
>
> i've unified all the board/SoC linker scripts for Blackfin and now there is just
> one -- arch/blackfin/cpu/u-boot.lds.

Ditto for x86

Maybe we should wait until all the arches have unified linker scripts
before looking at a global script (parallels with 'skip relocation')?

Regards,

Graeme