Changeset 6963b2e7 in rtems

Timestamp:

Jul 28, 2011, 7:27:58 PM (9 years ago)

Author:

Till Straumann <strauman@…>

Branches:

4.11, 5, master

Children:

1a1a151

Parents:

b4fdfc6

Message:

2011-27-28 Till Straumann <strauman@…>

• start/start.S: Tag TOS with a NULL pointer (help terminate when walking the stack).

Location:

c/src/lib/libbsp/powerpc

Files:

• mvme3100/ChangeLog (modified) (1 diff)
• mvme3100/start/start.S (modified) (1 diff)
• mvme5500/ChangeLog (modified) (1 diff)
• mvme5500/start/start.S (modified) (2 diffs)

c/src/lib/libbsp/powerpc/mvme3100/ChangeLog

@@ +1 @@
+2011-27-28      Till Straumann <strauman@slac.stanford.edu>
+
+        * start/start.S: Tag TOS with a NULL pointer
+        (help terminate when walking the stack).
+
 2011-06-11      Joel Sherrill <joel.sherrill@oarcorp.com>
 

c/src/lib/libbsp/powerpc/mvme3100/start/start.S

@@ -79 +79 @@
         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

c/src/lib/libbsp/powerpc/mvme5500/ChangeLog

@@ +1 @@
+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>
 

c/src/lib/libbsp/powerpc/mvme5500/start/start.S

@@ -11 +11 @@
  *  http://www.rtems.com/license/LICENSE.
  *
-<<<<<<< start.S
  *  $Id$
-=======
- *  $Id$
->>>>>>> 1.25
  *
  */
@@ -152 +148 @@
         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