diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme5500')
-rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/ChangeLog | 5 | ||||
-rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/start/start.S | 10 |
2 files changed, 11 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme5500/ChangeLog b/c/src/lib/libbsp/powerpc/mvme5500/ChangeLog index 2e3eff58ad..cb3ef4c0a2 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/ChangeLog +++ b/c/src/lib/libbsp/powerpc/mvme5500/ChangeLog @@ -1,3 +1,8 @@ +2011-27-28 Till Straumann <strauman@slac.stanford.edu> + + * start/start.S: Tag TOS with a NULL pointer + (help terminate when walking the stack). + 2011-07-13 Joel Sherrill <joel.sherrilL@OARcorp.com> PR 1824/cpukit diff --git a/c/src/lib/libbsp/powerpc/mvme5500/start/start.S b/c/src/lib/libbsp/powerpc/mvme5500/start/start.S index 2d79e0699d..21ec7f03ac 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/start/start.S +++ b/c/src/lib/libbsp/powerpc/mvme5500/start/start.S @@ -10,11 +10,7 @@ * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. * -<<<<<<< start.S * $Id$ -======= - * $Id$ ->>>>>>> 1.25 * */ @@ -152,6 +148,12 @@ enter_C_code: li r0, (CPU_STACK_ALIGNMENT-1) andc r1, r9, r0 /* + * 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. */ |