[U-Boot] [PATCHv2 1/2] mpc85xx: Initial SP alignment is wrong.

Joakim Tjernlund joakim.tjernlund at transmode.se
Wed Aug 15 09:10:52 CEST 2012


Kumar Gala <galak at kernel.crashing.org> wrote on 2012/08/14 23:28:45:
>
>
> On Jul 23, 2012, at 3:58 PM, Joakim Tjernlund wrote:
>
> > PowerPC mandates SP to be 16 bytes aligned.
> > Furthermore, a stack frame is added, pointing to the reset vector
> > which may in the way when gdb is walking the stack because
> > the reset vector may not accessible depending on emulator settings.
> > Also use a temp register so gdb doesn't pick up intermediate values.
> >
> > Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund at transmode.se>
> > ---
> >
> > v2 - Address Scott Wood's comments
> > arch/powerpc/cpu/mpc85xx/start.S |   16 +++++-----------
> > 1 files changed, 5 insertions(+), 11 deletions(-)
>
> Acked-by: Kumar Gala <galak at kernel.crashing.org>

Thanks Kumar

Will you pick up?
 [PATCHv2 2/2] powerpc: Stack Pointer not properly aligned

It is not 85xx specific but for all PowerPC

  Jocke



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