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

[Joakim Tjernlund]

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 at 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