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author | Till Straumann <strauman@slac.stanford.edu> | 2011-07-28 19:27:58 +0000 |
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committer | Till Straumann <strauman@slac.stanford.edu> | 2011-07-28 19:27:58 +0000 |
commit | 6963b2e71378bbe1163835f160277ed483577045 (patch) | |
tree | 1ef661410933e983b8881ae68a5b112fb846c9e1 /c/src/lib/libbsp/powerpc/mvme3100/start | |
parent | 2011-27-28 Till Straumann <strauman@slac.stanford.edu> (diff) | |
download | rtems-6963b2e71378bbe1163835f160277ed483577045.tar.bz2 |
2011-27-28 Till Straumann <strauman@slac.stanford.edu>
* start/start.S: Tag TOS with a NULL pointer
(help terminate when walking the stack).
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme3100/start')
-rw-r--r-- | c/src/lib/libbsp/powerpc/mvme3100/start/start.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme3100/start/start.S b/c/src/lib/libbsp/powerpc/mvme3100/start/start.S index 2e616b9eb4..2c44867a30 100644 --- a/c/src/lib/libbsp/powerpc/mvme3100/start/start.S +++ b/c/src/lib/libbsp/powerpc/mvme3100/start/start.S @@ -78,6 +78,11 @@ __rtems_entry_point: /* align down to 16-bytes */ li r5, (CPU_STACK_ALIGNMENT - 1) andc r1, r9, r5 + + /* NULL ptr to back chain */ + li r0, 0 + stw r0, 0(r1) + /* * We are now in a environment that is totally independent from * bootloader setup. |