int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { char *filename = "/"; int dev=0; int part=1; char *ep; block_dev_desc_t *dev_desc=NULL; int part_length; if (argc < 3) { printf ("Usage:\n%s\n", cmdtp->usage); return(1); } dev = (int)simple_strtoul (argv[2], &ep, 16); //printf("argv[1] = %s dev =%d",argv[1],dev); 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); } if (argc == 4) { filename = argv[3]; } PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, 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); } if (ext2fs_ls (filename)) { printf ("** Error ext2fs_ls() **\n"); ext2fs_close(); return(1); }; ext2fs_close(); return(0); }
/********************************************************************** Function :check_ext2_usb Descriptor : Input : part: partition Output : none return : 0: success 1: not ext2 2: ext2,but lost file Notice : **********************************************************************/ int check_ext2_usb(int part) { int nfile; char *filename_kernel = "vmlinux.ub"; int dev=0; block_dev_desc_t *dev_desc=NULL; int part_length; dev_desc = get_dev("usb",0); //first partition if (dev_desc == NULL) { printf ("[error]: Block dev not supported\n"); return(1); } part_length = ext2fs_set_blk_dev(dev_desc, part); if (part_length == 0) { ext2fs_close(); return(1); } if (!ext2fs_mount(part_length)) //if ext2 type { ext2fs_close(); return(1); } if (ext2fs_open(filename_kernel) < 0) { printf("[error]:Kernel not found %s ...\n", filename_kernel); ext2fs_close(); return(2); } ext2fs_close(); return(0); }
static BT_HANDLE ext2_mount(BT_HANDLE hFS, BT_HANDLE hVolume, const void *data, BT_ERROR *pError) { if(!hFS || !hVolume) { if(pError) *pError = BT_ERR_GENERIC; goto err_out; } BT_EXT2_MOUNT *pMount = (BT_EXT2_MOUNT *) BT_CreateHandle(&oHandleInterface, sizeof(BT_EXT2_MOUNT), pError); if(!pMount) { *pError = BT_ERR_NO_MEMORY; goto err_out; } pMount->hVolume = hVolume; ext2fs_set_readblocks(ext2_readblocks, hVolume); if(ext2fs_mount(0) < 0) { if(pError) *pError = BT_ERR_GENERIC; goto err_free_out; } return (BT_HANDLE) pMount; err_free_out: BT_DestroyHandle((BT_HANDLE)pMount); err_out: return NULL; }
/****************************************************************************** * Ext2fs boot command intepreter. Derived from diskboot */ int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { 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: cmd_usage(cmdtp); 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); }