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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 0000000000..88ad906b70 --- /dev/null +++ b/gdb/start.s | |||
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1 | !*************************************************************************** | ||
2 | ! __________ __ ___. | ||
3 | ! Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | ! Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | ! Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | ! Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | ! \/ \/ \/ \/ \/ | ||
8 | ! $Id$ | ||
9 | ! | ||
10 | ! Copyright (C) 2002 by Linus Nielsen Feltzing | ||
11 | ! | ||
12 | ! All files in this archive are subject to the GNU General Public License. | ||
13 | ! See the file COPYING in the source tree root for full license agreement. | ||
14 | ! | ||
15 | ! This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | ! KIND, either express or implied. | ||
17 | ! | ||
18 | !*************************************************************************** | ||
19 | ! note: sh-1 has a "delay cycle" after every branch where you can | ||
20 | ! execute another instruction "for free". | ||
21 | |||
22 | .file "start.s" | ||
23 | .section .text | ||
24 | .extern _INIT | ||
25 | .extern _vectable | ||
26 | .extern _init_stack | ||
27 | .global _start | ||
28 | .align 2 | ||
29 | |||
30 | _start: | ||
31 | mov.l 1f, r1 | ||
32 | mov.l 3f, r3 | ||
33 | mov.l 2f, r15 | ||
34 | jmp @r3 | ||
35 | ldc r1, vbr | ||
36 | nop | ||
37 | |||
38 | 1: .long _vectable | ||
39 | 2: .long _init_stack+2*1024*4 | ||
40 | 3: .long _INIT | ||
41 | .type _start,@function | ||