1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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.
*
****************************************************************************/
#include "system.h"
#include "lcd.h"
#include "../kernel-internal.h"
#include "storage.h"
#include "ata-target.h"
#include "file_internal.h"
#include "disk.h"
#include "font.h"
#include "backlight.h"
#include "button.h"
#include "common.h"
#include "loader_strerror.h"
#include "rb-loader.h"
#include "usb.h"
#include "version.h"
static void load_fw(unsigned char* ptr, unsigned int len)
{
(void)ptr;
(void)len;
asm volatile("ldr pc, =0x1EE0000");
}
void main(void)
{
unsigned char* loadbuffer;
int buffer_size;
int(*kernel_entry)(void);
int ret;
/* Make sure interrupts are disabled */
set_irq_level(IRQ_DISABLED);
set_fiq_status(FIQ_DISABLED);
system_init();
kernel_init();
/* Now enable interrupts */
set_irq_level(IRQ_ENABLED);
set_fiq_status(FIQ_ENABLED);
backlight_init();
lcd_init();
font_init();
button_init();
usb_init();
#ifdef HAVE_LCD_ENABLE
lcd_enable(true);
#endif
lcd_setfont(FONT_SYSFIXED);
reset_screen();
printf("Rockbox boot loader");
printf("Version %s", rbversion);
ret = storage_init();
if(ret)
printf("ATA error: %d", ret);
filesystem_init();
/* If no button is held, start the OF */
if(button_read_device() == 0)
{
printf("Loading Creative firmware...");
loadbuffer = (unsigned char*)0x00A00000;
ret = load_minifs_file("creativeos.jrm", loadbuffer);
if(ret != -1)
{
set_irq_level(IRQ_DISABLED);
set_fiq_status(FIQ_DISABLED);
/* Doesn't return! */
load_fw(loadbuffer, ret);
}
else
printf("FAILED!");
}
else
{
ret = disk_mount_all();
if (ret <= 0)
error(EDISK, ret, true);
printf("Loading Rockbox firmware...");
loadbuffer = (unsigned char*)0x00900000;
buffer_size = (unsigned char*)0x01900000 - loadbuffer;
ret = load_firmware(loadbuffer, BOOTFILE, buffer_size);
if(ret <= EFILE_EMPTY)
error(EBOOTFILE, ret, true);
kernel_entry = (void*) loadbuffer;
ret = kernel_entry();
printf("FAILED!");
}
storage_sleepnow();
while(1);
}
|
