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FS#6554 - Move bootloader code into a common file

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12453 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2007-02-22 15:09:49 +00:00
parent 9744433752
commit 46597c9539
5 changed files with 67 additions and 259 deletions
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148
bootloader/main.c
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@ -43,20 +43,19 @@
#include "eeprom_settings.h"
#include "pcf50606.h"
#include "common.h"
#include <stdarg.h>
/* Maximum allowed firmware image size. 10MB is more than enough */
#define MAX_LOADSIZE (10*1024*1024)
#define DRAM_START 0x31000000
#ifdef HAVE_EEPROM_SETTINGS
static bool recovery_mode = false;
#endif
int line = 0;
#ifdef HAVE_REMOTE_LCD
int remote_line = 0;
#endif
int usb_screen(void)
{
return 0;
@ -64,41 +63,6 @@ int usb_screen(void)
char version[] = APPSVERSION;
char printfbuf[256];
void reset_screen(void)
{
lcd_clear_display();
line = 0;
#ifdef HAVE_REMOTE_LCD
lcd_remote_clear_display();
remote_line = 0;
#endif
}
void printf(const char *format, ...)
{
int len;
unsigned char *ptr;
va_list ap;
va_start(ap, format);
ptr = printfbuf;
len = vsnprintf(ptr, sizeof(printfbuf), format, ap);
va_end(ap);
lcd_puts(0, line++, ptr);
lcd_update();
if(line >= 16)
line = 0;
#ifdef HAVE_REMOTE_LCD
lcd_remote_puts(0, remote_line++, ptr);
lcd_remote_update();
if(remote_line >= 8)
remote_line = 0;
#endif
}
/* Reset the cookie for the crt0 crash check */
inline void __reset_cookie(void)
{
@ -116,68 +80,6 @@ void start_iriver_fw(void)
asm(" jmp (%a0)");
}
int load_firmware(void)
{
int fd;
int rc;
int len;
unsigned long chksum;
char model[5];
unsigned long sum;
int i;
unsigned char *buf = (unsigned char *)DRAM_START;
fd = open("/.rockbox/" BOOTFILE, O_RDONLY);
if(fd < 0)
{
fd = open("/" BOOTFILE, O_RDONLY);
if(fd < 0)
return -1;
}
len = filesize(fd) - 8;
printf("Length: %x", len);
lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
rc = read(fd, &chksum, 4);
if(rc < 4)
return -2;
printf("Checksum: %x", chksum);
rc = read(fd, model, 4);
if(rc < 4)
return -3;
model[4] = 0;
printf("Model name: %s", model);
lcd_update();
lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
rc = read(fd, buf, len);
if(rc < len)
return -4;
close(fd);
sum = MODEL_NUMBER;
for(i = 0;i < len;i++) {
sum += buf[i];
}
printf("Sum: %x", sum);
if(sum != chksum)
return -5;
return 0;
}
void start_firmware(void)
{
asm(" move.w #0x2700,%sr");
@ -353,6 +255,7 @@ void failsafe_menu(void)
int defopt = -1;
char buf[32];
int i;
extern int line;
reset_screen();
printf("Bootloader %s", version);
@ -516,15 +419,21 @@ void main(void)
}
printf("Loading firmware");
i = load_firmware();
printf("Result: %d", i);
i = load_firmware((unsigned char *)DRAM_START, BOOTFILE, MAX_LOADSIZE);
printf("Result: %s", strerror(i));
if(i == 0)
if (i < EOK) {
printf("Error!");
printf("Can't load rockbox.ipod:");
printf(strerror(rc));
sleep(HZ*3);
power_off();
} else {
start_firmware();
power_off();
}
#else
extern int line;
/* We want to read the buttons as early as possible, before the user
releases the ON button */
@ -721,15 +630,16 @@ void main(void)
}
printf("Loading firmware");
i = load_firmware();
printf("Result: %d", i);
i = load_firmware((unsigned char *)DRAM_START, BOOTFILE, MAX_LOADSIZE);
printf("Result: %d", strerror(i));
if (i == 0)
if (i == EOK)
start_firmware();
if (!detect_original_firmware())
{
printf("No firmware found on disk");
sleep(HZ*2);
shutdown();
}
else
@ -739,24 +649,6 @@ void main(void)
/* These functions are present in the firmware library, but we reimplement
them here because the originals do a lot more than we want */
void reset_poweroff_timer(void)
{
}
void screen_dump(void)
{
}
int dbg_ports(void)
{
return 0;
}
void mpeg_stop(void)
{
}
void sys_poweroff(void)
{
}