void main(void)
{
unsigned char* loadbuffer;
int buffer_size;
int rc;
int(*kernel_entry)(void);
system_init();
kernel_init(); /* Need the kernel to sleep */
enable_interrupt(IRQ_FIQ_STATUS);
lcd_init();
backlight_init();
button_init();
font_init();
adc_init();
lcd_setfont(FONT_SYSFIXED);
/* These checks should only run if the bootloader is flashed */
if(GSTATUS3&0x02)
{
GSTATUS3&=0xFFFFFFFD;
if(!(GPGDAT&BUTTON_POWER) && charger_inserted())
{
while(!(GPGDAT&BUTTON_POWER) && charger_inserted())
{
char msg[20];
if(charging_state())
{
snprintf(msg,sizeof(msg),"Charging");
}
else
{
snprintf(msg,sizeof(msg),"Charge Complete");
}
reset_screen();
lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
lcd_update();
#if defined(HAVE_RTC_ALARM)
/* Check if the alarm went off while charging */
if(rtc_check_alarm_flag())
{
GSTATUS3=1; /* Normally this is set in crt0.s */
break;
}
#endif
}
if(!(GPGDAT&BUTTON_POWER)
#if defined(HAVE_RTC_ALARM)
&& !GSTATUS3
#endif
)
{
shutdown();
}
}
if(button_hold())
{
const char msg[] = "HOLD is enabled";
reset_screen();
lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
lcd_update();
sleep(2*HZ);
shutdown();
}
}
power_init();
usb_init();
/* Enter USB mode without USB thread */
if(usb_detect() == USB_INSERTED)
{
const char msg[] = "Bootloader USB mode";
reset_screen();
lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
lcd_update();
storage_enable(false);
sleep(HZ/20);
usb_enable(true);
while (usb_detect() == USB_INSERTED)
sleep(HZ);
usb_enable(false);
reset_screen();
lcd_update();
}
reset_screen();
/* Show debug messages if button is pressed */
if(button_read_device()&BUTTON_A)
verbose = true;
printf("Rockbox boot loader");
printf("Version %s", rbversion);
sleep(50); /* ATA seems to error without this pause */
rc = storage_init();
if(rc)
{
reset_screen();
error(EATA, rc, true);
}
filesystem_init();
rc = disk_mount_all();
if (rc<=0)
{
error(EDISK, rc, true);
}
printf("Loading firmware");
/* Flush out anything pending first */
commit_discard_idcache();
loadbuffer = (unsigned char*) 0x31000000;
buffer_size = (unsigned char*)0x31400000 - loadbuffer;
rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
if(rc <= EFILE_EMPTY)
error(EBOOTFILE, rc, true);
storage_close();
system_prepare_fw_start();
commit_discard_idcache();
kernel_entry = (void*) loadbuffer;
rc = kernel_entry();
#if 0
/* Halt */
while (1)
core_idle();
#else
/* Return and restart */
#endif
}
int main(void)
{
unsigned char* loadbuffer;
int buffer_size;
int rc;
int(*kernel_entry)(void);
led_init();
clear_leds(LED_ALL);
/* NB: something in system_init() prevents H-JTAG from downloading */
/* system_init(); */
kernel_init();
/* enable_interrupt(IRQ_FIQ_STATUS); */
backlight_init();
lcd_init();
lcd_setfont(FONT_SYSFIXED);
button_init();
dma_init();
uart_init();
uart_init_device(DEBUG_UART_PORT);
/* mini2440_test(); */
/* Show debug messages if button is pressed */
int touch_data;
if(button_read_device(&touch_data) & BUTTON_MENU)
verbose = true;
printf("Rockbox boot loader");
printf("Version " RBVERSION);
rc = storage_init();
if(rc)
{
reset_screen();
error(EATA, rc, true);
}
disk_init(IF_MD(0));
rc = disk_mount_all();
if (rc<=0)
{
error(EDISK,rc, true);
}
printf("Loading firmware");
/* Flush out anything pending first */
commit_discard_idcache();
loadbuffer = (unsigned char*) 0x31000000;
buffer_size = (unsigned char*)0x31400000 - loadbuffer;
rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
if(rc <= 0)
error(EBOOTFILE, rc, true);
printf("Loaded firmware %d\n", rc);
/* storage_close(); */
system_prepare_fw_start();
commit_discard_idcache();
kernel_entry = (void*) loadbuffer;
rc = kernel_entry();
/* end stop - should not get here */
led_flash(LED_ALL, LED_NONE);
while (1); /* avoid warning */
}
void* main(void)
{
char filename[MAX_PATH];
int i;
int btn;
int rc;
int num_partitions;
struct partinfo* pinfo;
#if !(CONFIG_STORAGE & STORAGE_SD)
char buf[256];
unsigned short* identify_info;
#endif
int usb = USB_EXTRACTED;
chksum_crc32gentab ();
system_init();
kernel_init();
#ifdef HAVE_BOOTLOADER_USB_MODE
/* loader must service interrupts */
enable_interrupt(IRQ_FIQ_STATUS);
#endif
lcd_init();
font_init();
show_logo();
adc_init();
#ifdef HAVE_BOOTLOADER_USB_MODE
button_init_device();
#else
button_init();
#endif
#if defined(SANSA_E200) || defined(PHILIPS_SA9200)
i2c_init();
_backlight_on();
#endif
if (button_hold())
{
verbose = true;
lcd_clear_display();
printf("Hold switch on");
printf("Shutting down...");
sleep(HZ);
power_off();
}
btn = button_read_device();
/* Enable bootloader messages if any button is pressed */
#ifdef HAVE_BOOTLOADER_USB_MODE
lcd_clear_display();
if (btn)
verbose = true;
#else
if (btn) {
lcd_clear_display();
verbose = true;
}
#endif
lcd_setfont(FONT_SYSFIXED);
printf("Rockbox boot loader");
printf("Version: " RBVERSION);
printf(MODEL_NAME);
i=storage_init();
#if !(CONFIG_STORAGE & STORAGE_SD)
if (i==0) {
identify_info=ata_get_identify();
/* Show model */
for (i=0; i < 20; i++) {
((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
}
buf[40]=0;
for (i=39; i && buf[i]==' '; i--) {
buf[i]=0;
}
printf(buf);
} else {
error(EATA, i, true);
}
#endif
disk_init(IF_MV(0));
num_partitions = disk_mount_all();
if (num_partitions<=0)
{
error(EDISK,num_partitions, true);
}
/* Just list the first 2 partitions since we don't have any devices yet
that have more than that */
for(i=0; i<NUM_PARTITIONS; i++)
{
pinfo = disk_partinfo(i);
printf("Partition %d: 0x%02x %ld MB",
i, pinfo->type, pinfo->size / 2048);
}
/* Now that storage is initialized, check for USB connection */
if ((btn & BOOTLOADER_BOOT_OF) == 0)
{
usb_pin_init();
usb = handle_usb(HZ*2);
if (usb == USB_INSERTED)
btn |= BOOTLOADER_BOOT_OF;
}
/* Try loading Rockbox, if that fails, fall back to the OF */
if((btn & BOOTLOADER_BOOT_OF) == 0)
{
printf("Loading Rockbox...");
snprintf(filename,sizeof(filename), BOOTDIR "/%s", BOOTFILE);
rc = load_mi4(loadbuffer, filename, MAX_LOADSIZE);
if (rc <= EFILE_EMPTY)
{
bool old_verbose = verbose;
verbose = true;
printf("Can't load " BOOTFILE ": ");
printf(loader_strerror(rc));
verbose = old_verbose;
btn |= BOOTLOADER_BOOT_OF;
sleep(5*HZ);
}
else
goto main_exit;
}
if(btn & BOOTLOADER_BOOT_OF)
{
/* Load original mi4 firmware in to a memory buffer called loadbuffer.
The rest of the loading is done in crt0.S.
1) First try reading from the hidden partition (on Sansa only).
2) Next try a decrypted mi4 file in /System/OF.mi4
3) Finally, try a raw firmware binary in /System/OF.bin. It should be
a mi4 firmware decrypted and header stripped using mi4code.
*/
printf("Loading original firmware...");
#if (CONFIG_STORAGE & STORAGE_SD)
/* First try a (hidden) firmware partition */
printf("Trying firmware partition");
pinfo = disk_partinfo(1);
if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE)
{
rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE,
usb == USB_INSERTED);
if (rc <= EFILE_EMPTY) {
printf("Can't load from partition");
printf(loader_strerror(rc));
} else {
goto main_exit;
}
} else {
printf("No hidden partition found.");
}
#endif
#if defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) || defined(PHILIPS_SA9200)
printf("Trying /System/OF.ebn");
rc=load_mi4(loadbuffer, "/System/OF.ebn", MAX_LOADSIZE);
if (rc <= EFILE_EMPTY) {
printf("Can't load /System/OF.ebn");
printf(loader_strerror(rc));
} else {
goto main_exit;
}
#endif
printf("Trying /System/OF.mi4");
rc=load_mi4(loadbuffer, "/System/OF.mi4", MAX_LOADSIZE);
if (rc <= EFILE_EMPTY) {
printf("Can't load /System/OF.mi4");
printf(loader_strerror(rc));
} else {
#if defined(SAMSUNG_YH925)
lcd_reset();
#endif
goto main_exit;
}
printf("Trying /System/OF.bin");
rc=load_raw_firmware(loadbuffer, "/System/OF.bin", MAX_LOADSIZE);
if (rc <= EFILE_EMPTY) {
printf("Can't load /System/OF.bin");
printf(loader_strerror(rc));
} else {
#if defined(SAMSUNG_YH925)
lcd_reset();
#endif
goto main_exit;
}
error(0, 0, true);
}
main_exit:
#ifdef HAVE_BOOTLOADER_USB_MODE
storage_close();
system_prepare_fw_start();
#endif
return (void*)loadbuffer;
}
