V3s_Allwinner
/
uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

powerpc: Stack Pointer not properly aligned 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/powerpc/lib/board.c
View File

@ -521,9 +521,8 @@ void board_init_f(ulong bootflag)
addr_sp -= 16; addr_sp -= 16;
addr_sp &= ~0xF; addr_sp &= ~0xF;
s = (ulong *) addr_sp; s = (ulong *) addr_sp;
*s-- = 0; *s = 0; /* Terminate back chain */
*s-- = 0; *++s = 0; /* NULL return address */
addr_sp = (ulong) s;
debug("Stack Pointer at: %08lx\n", addr_sp); debug("Stack Pointer at: %08lx\n", addr_sp);
/* /*