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author | Cástor Muñoz <cmvidal@gmail.com> | 2016-02-04 23:05:17 +0100 |
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committer | Cástor Muñoz <cmvidal@gmail.com> | 2017-04-14 00:03:42 +0200 |
commit | 346423c040fe4ac31dae7c1afcb1d853cc80635c (patch) | |
tree | bd8dd4c55f083a1162f7019188977213a20dc41c /rbutil/mks5lboot/dualboot/init.S | |
parent | eefc7c73e2495decdc6f242515696fe0e3f85609 (diff) | |
download | rockbox-346423c040fe4ac31dae7c1afcb1d853cc80635c.tar.gz rockbox-346423c040fe4ac31dae7c1afcb1d853cc80635c.zip |
mks5lboot v1.0 - dualboot installer for s5l8702 targetsmks5lboot_1.0
A tool to install/uninstall a bootloader into a s5l8702 based device:
- iPod Classic 6G
- iPod Nano 3G (TODO)
See mks5lboot/README for detailed info.
Change-Id: I451d2aaff34509ebd356e4660647e5222c5d3409
Diffstat (limited to 'rbutil/mks5lboot/dualboot/init.S')
-rw-r--r-- | rbutil/mks5lboot/dualboot/init.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/rbutil/mks5lboot/dualboot/init.S b/rbutil/mks5lboot/dualboot/init.S new file mode 100644 index 0000000000..bd049515f4 --- /dev/null +++ b/rbutil/mks5lboot/dualboot/init.S | |||
@@ -0,0 +1,43 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: | ||
9 | * | ||
10 | * Copyright © 2009 Michael Sparmann | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | .section .init.text, "ax", %progbits | ||
23 | .global _start | ||
24 | |||
25 | _start: | ||
26 | mov r0, #0xD7 | ||
27 | msr CPSR_c, r0 @ Abort mode, IRQs/FIQs disabled | ||
28 | ldr sp, =_exception_stack | ||
29 | |||
30 | mov r0, #0xDB | ||
31 | msr CPSR_c, r0 @ Undefined Instruction mode, IRQs/FIQs disabled | ||
32 | ldr sp, =_exception_stack | ||
33 | |||
34 | mov r0, #0xD3 | ||
35 | msr CPSR_c, r0 @ Supervisor mode, IRQs/FIQs disabled | ||
36 | ldr sp, =_supervisor_stack | ||
37 | |||
38 | MOV R0, #0x00050000 | ||
39 | ORR R0, #0x00000078 | ||
40 | MCR p15, 0, R0, c1, c0, 0 @ Get rid of some CPU "features" likely to cause trouble | ||
41 | |||
42 | bl main | ||
43 | .ltorg | ||