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powerpc: Stack Pointer not properly aligned

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The code first aligns the SP to 16 then subtract 8, making it
8 bytes aligned. Furthermore the initial stack frame not
quite correct either.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Joakim Tjernlund 2012-07-23 10:58:03 +00:00 committed by Andy Fleming
parent 89f4289958
commit 7de8a7169e
1 changed files with 2 additions and 3 deletions
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5
arch/powerpc/lib/board.c
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@ -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; /* Terminate back chain */
*++s = 0; /* NULL return address */
debug("Stack Pointer at: %08lx\n", addr_sp);
/*