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| author | Till Straumann <strauman@slac.stanford.edu> | 2009-11-11 14:29:08 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2009-11-11 14:29:08 +0000 |
| commit | 00d6017bdff7e5b38f3c5e4feafb091d22610310 (patch) | |
| tree | d0708b1ef038249a6d8259e80abe8b0dfb3ebd94 /c/src/lib/libbsp/powerpc/psim | |
| parent | 2009-11-11 Till Straumann <strauman@slac.stanford.edu> (diff) | |
| download | rtems-00d6017bdff7e5b38f3c5e4feafb091d22610310.tar.bz2 | |
2009-11-11 Till Straumann <strauman@slac.stanford.edu>
* start/start.S: Ensure that initial stack is aligned to
CPU_STACK_ALIGNMENT.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/psim')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/psim/start/start.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/start/start.S b/c/src/lib/libbsp/powerpc/psim/start/start.S index 2e32543fb7..f28afd5cff 100644 --- a/c/src/lib/libbsp/powerpc/psim/start/start.S +++ b/c/src/lib/libbsp/powerpc/psim/start/start.S @@ -100,9 +100,12 @@ _start: .Lnostack: /* set up initial stack frame */ addi sp,sp,-4 /* make sure we don't overwrite debug mem */ + /* align */ + li r3, CPU_STACK_ALIGNMENT-1 + andc sp, sp, r3 lis r0,0 stw r0,0(sp) /* clear back chain */ - stwu sp,-56(sp) /* push another stack frame */ + stwu sp,-CPU_STACK_ALIGNMENT(sp) /* push another stack frame */ bl FUNC_NAME(__eabi) /* Let her rip */ |