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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-09-13 15:01:25 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-09-13 15:01:25 +0000 |
| commit | 21ca21996d8c0f2ad815f5e0beb34827083afae2 (patch) | |
| tree | 5f6f52fc99b524265788ae2decbb5e0f54fa5fc7 /c | |
| parent | 2007-09-07 Kate Feng <feng1@bnl.gov> (diff) | |
| download | rtems-21ca21996d8c0f2ad815f5e0beb34827083afae2.tar.bz2 | |
2007-09-13 Joel Sherrill <joel.sherrill@OARcorp.com>
* configure.ac, startup/bspstart.c: Add BSP_DIRTY_MEMORY option.
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/psim/ChangeLog | 4 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/psim/configure.ac | 6 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/psim/startup/bspstart.c | 5 |
3 files changed, 15 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/ChangeLog b/c/src/lib/libbsp/powerpc/psim/ChangeLog index 8bbfc34bd5..c9bf80b31b 100644 --- a/c/src/lib/libbsp/powerpc/psim/ChangeLog +++ b/c/src/lib/libbsp/powerpc/psim/ChangeLog @@ -1,3 +1,7 @@ +2007-09-13 Joel Sherrill <joel.sherrill@OARcorp.com> + + * configure.ac, startup/bspstart.c: Add BSP_DIRTY_MEMORY option. + 2007-09-12 Joel Sherrill <joel.sherrill@OARcorp.com> PR 1257/bsps diff --git a/c/src/lib/libbsp/powerpc/psim/configure.ac b/c/src/lib/libbsp/powerpc/psim/configure.ac index de82cf8084..79c1c5a5df 100644 --- a/c/src/lib/libbsp/powerpc/psim/configure.ac +++ b/c/src/lib/libbsp/powerpc/psim/configure.ac @@ -29,6 +29,12 @@ RTEMS_BSPOPTS_HELP([PPC_VECTOR_FILE_BASE], [This defines the base address of the exception table. NOTE: Vectors are actually at 0xFFF00000 but file starts at offset.]) +RTEMS_BSPOPTS_SET([BSP_DIRTY_MEMORY],[*],[0]) +RTEMS_BSPOPTS_HELP([BSP_DIRTY_MEMORY], +[If defined, then PSIM will put a non-zero pattern into the RTEMS + Workspace and C program heap. This should assist in finding + code that assumes memory starts set to zero.]) + # Explicitly list all Makefiles here AC_CONFIG_FILES([Makefile]) diff --git a/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c b/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c index 0cb1c406fb..9a21d6b137 100644 --- a/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c @@ -186,6 +186,11 @@ void bsp_start( void ) } BSP_Configuration.work_space_start = work_space_start; + #if defined(BSP_DIRTY_MEMORY) + { + memset(&end, 0xCF, (unsigned char *)&RAM_END - (unsigned char *)&end ); + } + #endif /* * Initialize the interrupt related settings |