Re: [U-Boot] [PATCHv2 2/2] powerpc: Stack Pointer not properly aligned

14 Aug 2012

Ping?
...
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
v2 - Address Scott Wood's comments
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..a46942c 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; /* Terminate back chain */

*++s = 0; /* NULL return address */
debug("Stack Pointer at: %08lx\n", addr_sp);
/*


--
1.7.3.4

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