rockbox/bootloader/creativezvm.c

121 lines
3.1 KiB
C

/***************************************************************************
* __________ __ ___.
* 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);
lcd_init();
backlight_init(); /* BUGFIX backlight_init MUST BE AFTER 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);
}