Re: [U-Boot] [PATCH 1/2] powerpc: Stack Pointer must be 16 aligned

On 07/20/2012 04:20 AM, Joakim Tjernlund wrote:

The PowerPC ABI mandates the SP to be 16 bytes aligned, make is so.

Signed-off-by: Joakim Tjernlund Joakim.Tjernlund@transmode.se

arch/powerpc/lib/board.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git arch/powerpc/lib/board.c arch/powerpc/lib/board.c index d5b75e5..dc7cc40 100644 --- arch/powerpc/lib/board.c +++ arch/powerpc/lib/board.c @@ -521,9 +521,8 @@ void board_init_f(ulong bootflag) addr_sp -= 16; addr_sp &= ~0xF; s = (ulong *) addr_sp;

• *s-- = 0;
• *s-- = 0;
• addr_sp = (ulong) s;

• *s = 0; /* NULL Back Chain */
• *--s = 0; /* NULL LR */

Same problems as in patch 2/2.

-Scott