[U-Boot] [PATCH] at91: board specific lowlevel_init.S

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Tue Oct 28 07:24:44 CET 2008


On 22:20 Mon 27 Oct     , Wolfgang Denk wrote:
> Dear Jean-Christophe PLAGNIOL-VILLARD,
> 
> In message <20081027164336.GA1778 at game.jcrosoft.org> you wrote:
> >
> > > I've found that weak functions are only overwritten if the overwriting 
> > > function is in a file (not archive) that has strongly-linked symbols.  
> > > Admittedly, I've only done this with C code but expect that the assembly 
> > > equivalent works the same way.  The idea of using weak functions seems 
> > > great, but suffers from some pretty cumbersome weaknesses :)
> > I've found a solution but it's need to update the all u-boot linking method.
> > 
> > Move from AR to LD.
> 
> Well, that is exactly what Ben just described.
> 
> > Which need some work to fit on all boards.
> 
> Well, actually only the file lowlevel_init.o needs to be treated that
> way, so the needed hcanges look not too complicated to me.
I'll send a patch to move cpu/at91 to it only and an example to use it with
board dir

Best Regards,
J.


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