diff options
Diffstat (limited to 'c/src/lib/libbsp/bfin/shared/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/bfin/shared/start/start.S | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/bfin/shared/start/start.S b/c/src/lib/libbsp/bfin/shared/start/start.S index 79f0fcd2ba..01c607d4c6 100644 --- a/c/src/lib/libbsp/bfin/shared/start/start.S +++ b/c/src/lib/libbsp/bfin/shared/start/start.S @@ -20,8 +20,8 @@ __init: __fini: - .text - .align 2 + .section .l1code + .align 4 .global __start __start: @@ -64,6 +64,22 @@ __start: START: [--SP] = RETI; + + p0.h = _bss_start; + p0.l = _bss_start; + p1.h = _end; + p1.l = _end; + r0 = p0; + r1 = p1; + r1 = r1 - r0; + p1 = r1; + r0 = 0; + + /* Set _bss_start until _end to zero */ + lsetup(loop1,loop2) LC0 = p1; + loop1: b[p0] = r0; + loop2: p0 +=1; + p0.l = _boot_card; p0.h = _boot_card; |