diff options
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/start/start.S | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/start/start.S b/c/src/lib/libbsp/powerpc/qoriq/start/start.S index 6d6cd9400a..ba82bbc2df 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/start/start.S +++ b/c/src/lib/libbsp/powerpc/qoriq/start/start.S @@ -210,9 +210,13 @@ _start: mtmsr r0 isync - /* Initialize start stack */ - subi r1, START_STACK, PPC_MINIMUM_STACK_FRAME_SIZE - clrrwi r1, r1, PPC_STACK_ALIGN_POWER + /* + * Initialize start stack. Make sure that we do not share a cache line + * with the heap block management, since initial stacks for the + * secondary processors are allocated from the workspace. + */ + subi r1, START_STACK, 2 * PPC_DEFAULT_CACHE_LINE_SIZE + clrrwi r1, r1, PPC_DEFAULT_CACHE_LINE_POWER li r0, 0 stw r0, 0(r1) |