[U-Boot] [PATCH 3/7] Add support for SRAM Boot

Wolfgang Denk wd at denx.de
Tue Aug 17 20:54:29 CEST 2010


Dear Scott Wood,

In message <20100817131904.5703f08e at schlenkerla.am.freescale.net> you wrote:
> 
> ...but "take this entire subsystem as is" or "go without anything
> vaguely resembling this code, lest it be called 'duplication'" is a
> rather limiting pair of choices.  It seems reasonable to refactor
> things to be more modular (possibly in a nicer way than sprinkling
> ifdefs), or provide an alternate trimmed-down implementation.

Agreed. Factoring out functions that can then be selected on Makefile
level is probably OK.

> One thing that should probably be tried first, though, is
> -ffunction-sections and --gc-sections, to have the linker discard any
> functions that aren't referenced.  It seems some arches/boards already
> use this.

I guess that should help here a lot, too.

Best regards,

Wolfgang Denk

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