- char *filename = NULL;
- char *ep;
- int dev, part = 1;
- ulong addr = 0, part_length, filelen;
- disk_partition_t info;
- block_dev_desc_t *dev_desc = NULL;
- char buf [12];
- unsigned long count;
- char *addr_str;
-
- switch (argc) {
- case 3:
- addr_str = getenv("loadaddr");
- if (addr_str != NULL) {
- addr = simple_strtoul (addr_str, NULL, 16);
- } else {
- addr = CONFIG_SYS_LOAD_ADDR;
- }
- filename = getenv ("bootfile");
- count = 0;
- break;
- case 4:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = getenv ("bootfile");
- count = 0;
- break;
- case 5:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = argv[4];
- count = 0;
- break;
- case 6:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = argv[4];
- count = simple_strtoul (argv[5], NULL, 16);
- break;
-
- default:
- printf ("Usage:\n%s\n", cmdtp->usage);
- return(1);
- }
-
- if (!filename) {
- puts ("\n** No boot file defined **\n");
- return(1);
- }
-
- dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc = get_dev(argv[1],dev);
- if (dev_desc==NULL) {
- printf ("\n** Block device %s %d not supported\n", argv[1], dev);
- return(1);
- }
- if (*ep) {
- if (*ep != ':') {
- puts ("\n** Invalid boot device, use `dev[:part]' **\n");
- return(1);
- }
- part = (int)simple_strtoul(++ep, NULL, 16);
- }
-
- PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
-
- if (part != 0) {
- if (get_partition_info (dev_desc, part, &info)) {
- printf ("** Bad partition %d **\n", part);
- return(1);
- }
-
- if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
- printf ("\n** Invalid partition type \"%.32s\""
- " (expect \"" BOOT_PART_TYPE "\")\n",
- info.type);
- return(1);
- }
- PRINTF ("\nLoading from block device %s device %d, partition %d: "
- "Name: %.32s Type: %.32s File:%s\n",
- argv[1], dev, part, info.name, info.type, filename);
- } else {
- PRINTF ("\nLoading from block device %s device %d, File:%s\n",
- argv[1], dev, filename);
- }
-
-
- if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
- printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
- ext2fs_close();
- return(1);
- }
-
- if (!ext2fs_mount(part_length)) {
- printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
- ext2fs_close();
- return(1);
- }
-
- filelen = ext2fs_open(filename);
- if (filelen < 0) {
- printf("** File not found %s\n", filename);
- ext2fs_close();
- return(1);
- }
- if ((count < filelen) && (count != 0)) {
- filelen = count;
- }
-
- if (ext2fs_read((char *)addr, filelen) != filelen) {
- printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
- ext2fs_close();
- return(1);
- }
-
- ext2fs_close();
-
- /* Loading ok, update default load address */
- load_addr = addr;
-
- printf ("\n%ld bytes read\n", filelen);
- sprintf(buf, "%lX", filelen);
- setenv("filesize", buf);
-
- return(filelen);