diff options
| author | Till Straumann <strauman@slac.stanford.edu> | 2009-11-11 14:25:09 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2009-11-11 14:25:09 +0000 |
| commit | 131e0467d2cd252cc322cf644494a46f58bd6fe5 (patch) | |
| tree | 2d2a712c07934efefa934707e6bffa0944aa9623 /c | |
| parent | 2009-11-11 Till Straumann <strauman@slac.stanford.edu> (diff) | |
| download | rtems-131e0467d2cd252cc322cf644494a46f58bd6fe5.tar.bz2 | |
2009-11-11 Till Straumann <strauman@slac.stanford.edu>
* shared/start/start.S: Align initial stack to
CPU_STACK_ALIGNMENT.
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ChangeLog | 11 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/start/start.S | 12 |
2 files changed, 20 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/powerpc/ChangeLog b/c/src/lib/libbsp/powerpc/ChangeLog index 153c5de5f2..1e4d75e365 100644 --- a/c/src/lib/libbsp/powerpc/ChangeLog +++ b/c/src/lib/libbsp/powerpc/ChangeLog @@ -1,3 +1,8 @@ +2009-11-11 Till Straumann <strauman@slac.stanford.edu> + + * shared/start/start.S: Align initial stack to + CPU_STACK_ALIGNMENT. + 2009-11-03 Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> * shared/clock/clock.c: Remove classic decrementer handler @@ -23,6 +28,12 @@ 2009-10-20 Till Straumann <strauman@slac.stanford.edu> + * shared/vme/vme_universe.c: + Fixed compiler warnings by adding prototypes to function + declarations and moving extern declarations to global scope. + +2009-10-20 Till Straumann <strauman@slac.stanford.edu> + * shared/startup/pgtbl_setup.c: Fixed compiler warnings (added prototypes to function declarations etc.) diff --git a/c/src/lib/libbsp/powerpc/shared/start/start.S b/c/src/lib/libbsp/powerpc/shared/start/start.S index fa4b1f4b1e..de7d097f49 100644 --- a/c/src/lib/libbsp/powerpc/shared/start/start.S +++ b/c/src/lib/libbsp/powerpc/shared/start/start.S @@ -106,11 +106,17 @@ enter_C_code: * stack = &__rtems_end + 4096 */ addis r9,r0, __stack-PPC_MINIMUM_STACK_FRAME_SIZE@ha - addi r9,r9, __stack-PPC_MINIMUM_STACK_FRAME_SIZE@l - mr r1, r9 + addi r9,r9, __stack-PPC_MINIMUM_STACK_FRAME_SIZE@l + /* + * align initial stack + * (we hope that the bootloader stack was 16-byte aligned + * or we haven't used altivec yet...) + */ + li r0, (CPU_STACK_ALIGNMENT-1) + andc r1, r9, r0 /* * We are now in a environment that is totally independent from - * bootloader setup. + * bootloader setup. */ /* pass result of 'save_boot_params' to 'boot_card' in R3 */ bl boot_card |