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Diffstat (limited to 'gdb/start.s')
| -rw-r--r-- | gdb/start.s | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/start.s b/gdb/start.s new file mode 100644 index 0000000..88ad906 --- /dev/null +++ b/gdb/start.s @@ -0,0 +1,41 @@ +!*************************************************************************** +! __________ __ ___. +! Open \______ \ ____ ____ | | _\_ |__ _______ ___ +! Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / +! Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < +! Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ +! \/ \/ \/ \/ \/ +! $Id$ +! +! Copyright (C) 2002 by Linus Nielsen Feltzing +! +! All files in this archive are subject to the GNU General Public License. +! See the file COPYING in the source tree root for full license agreement. +! +! This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +! KIND, either express or implied. +! +!*************************************************************************** +! note: sh-1 has a "delay cycle" after every branch where you can +! execute another instruction "for free". + + .file "start.s" + .section .text + .extern _INIT + .extern _vectable + .extern _init_stack + .global _start + .align 2 + +_start: + mov.l 1f, r1 + mov.l 3f, r3 + mov.l 2f, r15 + jmp @r3 + ldc r1, vbr + nop + +1: .long _vectable +2: .long _init_stack+2*1024*4 +3: .long _INIT + .type _start,@function |