void fsboot(int devnr)
{
int size;
unsigned int cmdline_adr, initrdstart_adr, initrdend_adr;
printf("I: Booting from filesystem...\n");
if(!fatfs_init(devnr)) {
printf("E: Unable to initialize filesystem\n");
return;
}
if(tryload("BOOT.BIN", SDRAM_BASE) <= 0) {
printf("E: Firmware image not found\n");
fatfs_done();
return;
}
cmdline_adr = SDRAM_BASE+0x1000000;
size = tryload("CMDLINE.TXT", cmdline_adr);
if(size <= 0) {
printf("I: No command line parameters found (CMDLINE.TXT)\n");
cmdline_adr = 0;
} else
*((char *)(cmdline_adr+size)) = 0x00;
initrdstart_adr = SDRAM_BASE+0x1002000;
size = tryload("INITRD.BIN", initrdstart_adr);
if(size <= 0) {
printf("I: No initial ramdisk found (INITRD.BIN)\n");
initrdstart_adr = 0;
initrdend_adr = 0;
} else
initrdend_adr = initrdstart_adr + size - 1;
fatfs_done();
printf("I: Booting...\n");
boot(cmdline_adr, initrdstart_adr, initrdend_adr, rescue, SDRAM_BASE);
}
static void load(char *filename, char *addr, char *dev)
{
char *c;
unsigned int *addr2;
if((*filename == 0) || (*addr == 0)) {
printf("load <filename> <address>\n");
return;
}
addr2 = (unsigned *)strtoul(addr, &c, 0);
if(*c != 0) {
printf("incorrect address\n");
return;
}
if(!fatfs_init(BLOCKDEV_MEMORY_CARD)) return;
fatfs_load(filename, (char *)addr2, 16*1024*1024, NULL);
fatfs_done();
}
static void ls(char *dev)
{
if(!fatfs_init(BLOCKDEV_MEMORY_CARD)) return;
fatfs_list_files(lscb, NULL);
fatfs_done();
}
