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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Greg White
*
* 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 "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "inttypes.h"
#include "string.h"
#include "cpu.h"
#include "system.h"
#include "lcd.h"
#include "kernel.h"
#include "thread.h"
#include "ata.h"
#include "dir.h"
#include "fat.h"
#include "disk.h"
#include "font.h"
#include "adc.h"
#include "backlight.h"
#include "backlight-target.h"
#include "button.h"
#include "panic.h"
#include "power.h"
#include "file.h"
#include "common.h"
#include "rbunicode.h"
#include "usb.h"
#include "mmu-imx31.h"
#include "lcd-target.h"
#include "avic-imx31.h"
#include <stdarg.h>
char version[] = APPSVERSION;
char buf[MAX_PATH];
char basedir[] = "/Content/0b00/00/"; /* Where files sent via MTP are stored */
char model[5];
int (*kernel_entry)(void);
extern void reference_system_c(void);
/* Dummy stub that creates C references for C functions only used by
assembly - never called */
void reference_files(void)
{
reference_system_c();
}
void main(void)
{
lcd_clear_display();
printf("Hello world!");
printf("Gigabeat S Rockbox Bootloader v.00000003");
system_init();
kernel_init();
printf("kernel init done");
int rc;
set_interrupt_status(IRQ_FIQ_ENABLED, IRQ_FIQ_STATUS);
rc = ata_init();
if(rc)
{
reset_screen();
error(EATA, rc);
}
printf("ata init done");
disk_init();
printf("disk init done");
rc = disk_mount_all();
if (rc<=0)
{
error(EDISK,rc);
}
/* Look for the first valid firmware file */
struct dirent_uncached* entry;
DIR_UNCACHED* dir;
int fd;
dir = opendir_uncached(basedir);
while ((entry = readdir_uncached(dir)))
{
if (*entry->d_name != '.')
{
snprintf(buf, sizeof(buf), "%s%s", basedir, entry->d_name);
fd = open(buf, O_RDONLY);
if (fd >= 0)
{
lseek(fd, 4, SEEK_SET);
rc = read(fd, model, 4);
close(fd);
if (rc == 4)
{
model[4] = 0;
if (strcmp(model, "gigs") == 0)
break;
}
}
}
}
printf("Firmware file: %s", buf);
printf("Loading firmware");
unsigned char *loadbuffer = (unsigned char *)0x0;
int buffer_size = 31*1024*1024;
rc = load_firmware(loadbuffer, buf, buffer_size);
if(rc < 0)
error((int)buf, rc);
system_prepare_fw_start();
if (rc == EOK)
{
kernel_entry = (void*) loadbuffer;
invalidate_icache();
rc = kernel_entry();
}
while (1);
}
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