diff options
| -rw-r--r-- | sys/boot/powerpc/ofw/start.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/boot/powerpc/ofw/start.c b/sys/boot/powerpc/ofw/start.c index 60c5db7..8637e1f 100644 --- a/sys/boot/powerpc/ofw/start.c +++ b/sys/boot/powerpc/ofw/start.c @@ -50,7 +50,20 @@ _start: \n\ addi %r1,%r1,stack@l \n\ addi %r1,%r1,16384 \n\ \n\ - b startup \n\ + /* Clear the .bss!!! */ \n\ + li %r0,0 \n\ + lis %r8,_edata@ha \n\ + addi %r8,%r8,_edata@l\n\ + lis %r9,_end@ha \n\ + addi %r9,%r9,_end@l \n\ + \n\ +1: cmpw 0,%r8,%r9 \n\ + bge 2f \n\ + stw %r0,0(%r8) \n\ + addi %r8,%r8,4 \n\ + b 1b \n\ + \n\ +2: b startup \n\ "); void |
