void console_init(console_t* const console, lcd_t* const lcd, const uint_fast16_t y_top, const uint_fast16_t y_bottom) {
console->lcd = lcd;
console->background = color_black;
console->foreground = color_white;
console->x = 0;
console->y = 0;
lcd_set_scroll_area(console->lcd, y_top, y_bottom);
lcd_scroll_set_position(console->lcd, 0);
const lcd_color_t prior_background = lcd_set_background(console->lcd, console->background);
lcd_clear_rectangle(console->lcd, 0, y_top, lcd->size.w, y_bottom - y_top);
lcd_set_background(console->lcd, prior_background);
}
static void console_crlf(console_t* const console) {
const uint_fast16_t line_height = console->lcd->font->line_height;
console->x = 0;
console->y += line_height;
const int32_t y_excess = console->y + console->lcd->font->line_height - console->lcd->scroll.height;
if( y_excess > 0 ) {
lcd_scroll(console->lcd, -line_height);
console->y -= y_excess;
const lcd_color_t prior_background = lcd_set_background(console->lcd, console->background);
lcd_clear_rectangle(console->lcd, 0, lcd_scroll_area_y(console->lcd, console->y), console->lcd->size.w, line_height);
lcd_set_background(console->lcd, prior_background);
}
}
void power_off(void)
{
#if defined(HAVE_LCD_COLOR) && !defined(HAVE_LCD_SHUTDOWN)
/* Clear the screen and backdrop to
remove ghosting effect on shutdown */
lcd_set_backdrop(NULL);
lcd_set_background(LCD_WHITE);
lcd_clear_display();
lcd_update();
sleep(HZ/16);
#endif
#ifndef BOOTLOADER
#ifdef IPOD_1G2G
/* we cannot turn off the 1st gen/ 2nd gen yet. Need to figure out sleep mode. */
system_reboot();
#else
/* We don't turn off the ipod, we put it in a deep sleep */
/* Clear latter part of iram (the part used by plugins/codecs) to ensure
* that the OF behaves properly on boot. There is some kind of boot
* failure flag there which otherwise may not be cleared.
*/
#if CONFIG_CPU == PP5022
memset((void*)0x4000c000, 0, 0x14000);
#elif CONFIG_CPU == PP5020
memset((void*)0x4000c000, 0, 0xc000);
#endif
pcf50605_standby_mode();
#endif
#endif
}
void console_write(console_t* const console, const char* message) {
char c;
const lcd_color_t prior_background = lcd_set_background(console->lcd, console->background);
const lcd_color_t prior_foreground = lcd_set_foreground(console->lcd, console->foreground);
while( (c = *(message++)) != 0 ) {
const lcd_glyph_t* const glyph = lcd_get_glyph(console->lcd, c);
if( (console->x + glyph->advance) > console->lcd->size.w ) {
console_crlf(console);
}
lcd_draw_char(
console->lcd,
console->x,
lcd_scroll_area_y(console->lcd, console->y),
c
);
console->x += glyph->advance;
}
lcd_set_background(console->lcd, prior_background);
lcd_set_foreground(console->lcd, prior_foreground);
}
static void sig_handler(int sig, siginfo_t *siginfo, void *context)
{
/* safe guard variable - we call backtrace() only on first
* UIE call. This prevent endless loop if backtrace() touches
* memory regions which cause abort
*/
static bool triggered = false;
lcd_set_backdrop(NULL);
lcd_set_drawmode(DRMODE_SOLID);
lcd_set_foreground(LCD_BLACK);
lcd_set_background(LCD_WHITE);
unsigned line = 0;
lcd_setfont(FONT_SYSFIXED);
lcd_set_viewport(NULL);
lcd_clear_display();
/* get context info */
ucontext_t *uc = (ucontext_t *)context;
unsigned long pc = uc->uc_mcontext.pc;
unsigned long sp = uc->uc_mcontext.gregs[29];
lcd_putsf(0, line++, "%s at %08x", strsignal(sig), pc);
if(sig == SIGILL || sig == SIGFPE || sig == SIGSEGV || sig == SIGBUS || sig == SIGTRAP)
lcd_putsf(0, line++, "address 0x%08x", siginfo->si_addr);
if(!triggered)
{
triggered = true;
rb_backtrace(pc, sp, &line);
}
#ifdef ROCKBOX_HAS_LOGF
lcd_putsf(0, line++, "logf:");
logf_panic_dump(&line);
#endif
lcd_update();
system_exception_wait(); /* If this returns, try to reboot */
system_reboot();
while (1); /* halt */
}
void lcd_set_drawinfo(int mode, unsigned fg_brightness, unsigned bg_brightness)
{
lcd_set_drawmode(mode);
lcd_set_foreground(fg_brightness);
lcd_set_background(bg_brightness);
}
void* main(void)
{
char buf[256];
int i;
int btn;
int rc;
bool haveramos;
bool button_was_held;
struct partinfo* pinfo;
unsigned short* identify_info;
/* Check the button hold status as soon as possible - to
give the user maximum chance to turn it off in order to
reset the settings in rockbox. */
button_was_held = button_hold();
system_init();
kernel_init();
#ifndef HAVE_BACKLIGHT_INVERSION
backlight_init(); /* Turns on the backlight */
#endif
lcd_init();
font_init();
#ifdef HAVE_LCD_COLOR
lcd_set_foreground(LCD_WHITE);
lcd_set_background(LCD_BLACK);
lcd_clear_display();
#endif
#if 0
/* ADC and button drivers are not yet implemented */
adc_init();
button_init();
#endif
btn=key_pressed();
/* Enable bootloader messages */
if (btn==BUTTON_RIGHT)
verbose = true;
lcd_setfont(FONT_SYSFIXED);
printf("Rockbox boot loader");
printf("Version: " RBVERSION);
printf("IPOD version: 0x%08x", IPOD_HW_REVISION);
i=ata_init();
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 {
printf("ATA: %d", i);
}
disk_init();
rc = disk_mount_all();
if (rc<=0)
{
printf("No partition found");
fatal_error();
}
pinfo = disk_partinfo(1);
printf("Partition 1: 0x%02x %ld sectors",
pinfo->type, pinfo->size);
if (button_was_held || (btn==BUTTON_MENU)) {
/* If either the hold switch was on, or the Menu button was held, then
try the Apple firmware */
printf("Loading original firmware...");
/* First try an apple_os.ipod file on the FAT32 partition
(either in .rockbox or the root)
*/
rc=load_firmware(loadbuffer, "apple_os.ipod", MAX_LOADSIZE);
if (rc > 0) {
printf("apple_os.ipod loaded.");
return (void*)DRAM_START;
} else if (rc == EFILE_NOT_FOUND) {
/* If apple_os.ipod doesn't exist, then check if there is an Apple
firmware image in RAM */
haveramos = (memcmp((void*)(DRAM_START+0x20),"portalplayer",12)==0);
if (haveramos) {
/* We have a copy of the retailos in RAM, lets just run it. */
return (void*)DRAM_START;
}
} else {
printf("Error!");
printf("Can't load apple_os.ipod:");
printf(loader_strerror(rc));
}
/* Everything failed - just loop forever */
printf("No RetailOS detected");
} else if (btn==BUTTON_PLAY) {
printf("Loading Linux...");
rc=load_raw_firmware(loadbuffer, "/linux.bin", MAX_LOADSIZE);
if (rc <= EFILE_EMPTY) {
printf("Error!");
printf("Can't load linux.bin:");
printf(loader_strerror(rc));
} else {
return (void*)DRAM_START;
}
} else {
printf("Loading Rockbox...");
rc=load_firmware(loadbuffer, BOOTFILE, MAX_LOADSIZE);
if (rc > 0) {
printf("Rockbox loaded.");
return (void*)DRAM_START;
} else if (rc == EFILE_NOT_FOUND) {
/* if rockbox.ipod doesn't exist, then check if there is a Rockbox
image in RAM */
haveramos = (memcmp((void*)(DRAM_START+0x20),"Rockbox\1",8)==0);
if (haveramos) {
/* We have a copy of Rockbox in RAM, lets just run it. */
return (void*)DRAM_START;
}
}
printf("Error!");
printf("Can't load " BOOTFILE ": ");
printf(loader_strerror(rc));
}
/* If we get to here, then we haven't been able to load any firmware */
fatal_error();
/* We never get here, but keep gcc happy */
return (void*)0;
}
void* main(void)
{
int i;
int btn;
int num_partitions;
int crc32;
char sector[512];
struct partinfo pinfo;
system_init();
kernel_init();
lcd_init();
font_init();
button_init();
i2c_init();
backlight_hw_on();
lcd_set_foreground(LCD_WHITE);
lcd_set_background(LCD_BLACK);
lcd_clear_display();
btn = button_read_device();
verbose = true;
lcd_setfont(FONT_SYSFIXED);
printf("Rockbox e200R installer");
printf("Version: %s", rbversion);
printf(MODEL_NAME);
printf("");
i=storage_init();
filesystem_init();
num_partitions = disk_mount_all();
if (num_partitions<=0)
{
error(EDISK, num_partitions, true);
}
disk_partinfo(1, &pinfo);
#if 0 /* not needed in release builds */
printf("--- Partition info ---");
printf("start: %x", pinfo.start);
printf("size: %x", pinfo.size);
printf("type: %x", pinfo.type);
printf("reading: %x", (START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK)*512);
#endif
storage_read_sectors(pinfo.start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
1 , sector);
crc32 = chksum_crc32 (sector, 512);
#if 0 /* not needed in release builds */
printf("--- Hack Status ---");
printf("Sector checksum: %x", crc32);
#endif
if (crc32 == PATCHED_CRC32)
{
/* Bootloader already patched */
printf("Already unlocked");
printf("Proceed to Step 2");
} else if ((crc32 == KNOWN_CRC32) &&
!memcmp(§or[HACK_OFFSET], knownBytes,
sizeof(knownBytes)/sizeof(*knownBytes)))
{
/* E200R bootloader detected - patch it */
memcpy(§or[HACK_OFFSET], changedBytes,
sizeof(changedBytes)/sizeof(*changedBytes));
storage_write_sectors(
pinfo.start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
1 , sector);
printf("Firmware unlocked");
printf("Proceed to Step 2");
} else if (is_e200(crc32))
{
printf("Vanilla E200 detected!");
printf("Please install using");
printf("Sansapatcher");
}
else
{
printf("Unknown bootloader");
printf("Rockbox installer cannot");
printf("continue");
}
/* Turn button lights off */
GPIOG_OUTPUT_VAL &=~0x80;
printf("");
if (button_hold())
printf("Release Hold and");
printf("Press any key to shutdown");
while(button_read_device() == BUTTON_NONE);
power_off();
return NULL;
}
