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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-09-10 13:55:25 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-09-10 13:55:25 +0000 |
| commit | 018008cc0f6278c5ed581eb4574f919540ac1bb3 (patch) | |
| tree | 3abeb8c3bf2e1472d280be2f1a478ad925e9eb97 /c | |
| parent | 2007-09-10 Alain Schaefer <alani@easc.ch> (diff) | |
| download | rtems-018008cc0f6278c5ed581eb4574f919540ac1bb3.tar.bz2 | |
2007-09-10 Alain Schaefer <alani@easc.ch>
* shared/start/start.S: Initialize bss to zero.
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/bfin/ChangeLog | 4 | ||||
| -rw-r--r-- | c/src/lib/libbsp/bfin/shared/start/start.S | 20 |
2 files changed, 22 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/bfin/ChangeLog b/c/src/lib/libbsp/bfin/ChangeLog index f10a5b8898..721015cb07 100644 --- a/c/src/lib/libbsp/bfin/ChangeLog +++ b/c/src/lib/libbsp/bfin/ChangeLog @@ -1,3 +1,7 @@ +2007-09-10 Alain Schaefer <alani@easc.ch> + + * shared/start/start.S: Initialize bss to zero. + 2007-08-03 Joel Sherrill <joel.sherrill@OARcorp.com> * shared/start/start.S: Fix typo of pO versus p0. 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; |