264 lines
6.2 KiB
C
264 lines
6.2 KiB
C
/*
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* (C) Copyright 2004
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* esd gmbh <www.esd-electronics.com>
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* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
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*
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* made from cmd_reiserfs by
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*
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* (C) Copyright 2003 - 2004
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* Sysgo Real-Time Solutions, AG <www.elinos.com>
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* Pavel Bartusek <pba@sysgo.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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/*
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* Ext2fs support
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*/
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#include <common.h>
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#include <part.h>
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#if defined(CONFIG_CMD_EXT2)
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#include <config.h>
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#include <command.h>
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#include <image.h>
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#include <linux/ctype.h>
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#include <asm/byteorder.h>
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#include <ext2fs.h>
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#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
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#include <usb.h>
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#endif
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#ifndef CONFIG_DOS_PARTITION
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#error DOS partition support must be selected
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#endif
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/* #define EXT2_DEBUG */
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#ifdef EXT2_DEBUG
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#define PRINTF(fmt,args...) printf (fmt ,##args)
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#else
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#define PRINTF(fmt,args...)
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#endif
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int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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char *filename = "/";
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int dev=0;
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int part=1;
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char *ep;
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block_dev_desc_t *dev_desc=NULL;
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int part_length;
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if (argc < 3) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return(1);
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}
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dev = (int)simple_strtoul (argv[2], &ep, 16);
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dev_desc = get_dev(argv[1],dev);
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if (dev_desc == NULL) {
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printf ("\n** Block device %s %d not supported\n", argv[1], dev);
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return(1);
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}
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if (*ep) {
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if (*ep != ':') {
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puts ("\n** Invalid boot device, use `dev[:part]' **\n");
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return(1);
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}
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part = (int)simple_strtoul(++ep, NULL, 16);
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}
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if (argc == 4) {
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filename = argv[3];
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}
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PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
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if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
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printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
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ext2fs_close();
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return(1);
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}
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if (!ext2fs_mount(part_length)) {
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printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
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ext2fs_close();
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return(1);
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}
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if (ext2fs_ls (filename)) {
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printf ("** Error ext2fs_ls() **\n");
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ext2fs_close();
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return(1);
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};
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ext2fs_close();
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return(0);
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}
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U_BOOT_CMD(
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ext2ls, 4, 1, do_ext2ls,
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"ext2ls - list files in a directory (default /)\n",
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"<interface> <dev[:part]> [directory]\n"
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" - list files from 'dev' on 'interface' in a 'directory'\n"
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);
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/******************************************************************************
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* Ext2fs boot command intepreter. Derived from diskboot
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*/
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int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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char *filename = NULL;
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char *ep;
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int dev, part = 1;
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ulong addr = 0, part_length, filelen;
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disk_partition_t info;
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block_dev_desc_t *dev_desc = NULL;
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char buf [12];
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unsigned long count;
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char *addr_str;
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switch (argc) {
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case 3:
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addr_str = getenv("loadaddr");
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if (addr_str != NULL) {
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addr = simple_strtoul (addr_str, NULL, 16);
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} else {
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addr = CFG_LOAD_ADDR;
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}
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filename = getenv ("bootfile");
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count = 0;
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break;
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case 4:
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addr = simple_strtoul (argv[3], NULL, 16);
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filename = getenv ("bootfile");
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count = 0;
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break;
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case 5:
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addr = simple_strtoul (argv[3], NULL, 16);
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filename = argv[4];
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count = 0;
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break;
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case 6:
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addr = simple_strtoul (argv[3], NULL, 16);
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filename = argv[4];
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count = simple_strtoul (argv[5], NULL, 16);
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break;
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default:
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printf ("Usage:\n%s\n", cmdtp->usage);
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return(1);
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}
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if (!filename) {
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puts ("\n** No boot file defined **\n");
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return(1);
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}
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dev = (int)simple_strtoul (argv[2], &ep, 16);
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dev_desc = get_dev(argv[1],dev);
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if (dev_desc==NULL) {
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printf ("\n** Block device %s %d not supported\n", argv[1], dev);
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return(1);
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}
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if (*ep) {
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if (*ep != ':') {
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puts ("\n** Invalid boot device, use `dev[:part]' **\n");
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return(1);
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}
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part = (int)simple_strtoul(++ep, NULL, 16);
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}
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PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
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if (part != 0) {
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if (get_partition_info (dev_desc, part, &info)) {
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printf ("** Bad partition %d **\n", part);
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return(1);
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}
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if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
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printf ("\n** Invalid partition type \"%.32s\""
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" (expect \"" BOOT_PART_TYPE "\")\n",
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info.type);
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return(1);
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}
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PRINTF ("\nLoading from block device %s device %d, partition %d: "
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"Name: %.32s Type: %.32s File:%s\n",
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argv[1], dev, part, info.name, info.type, filename);
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} else {
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PRINTF ("\nLoading from block device %s device %d, File:%s\n",
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argv[1], dev, filename);
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}
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if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
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printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
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ext2fs_close();
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return(1);
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}
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if (!ext2fs_mount(part_length)) {
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printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
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ext2fs_close();
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return(1);
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}
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filelen = ext2fs_open(filename);
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if (filelen < 0) {
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printf("** File not found %s\n", filename);
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ext2fs_close();
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return(1);
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}
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if ((count < filelen) && (count != 0)) {
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filelen = count;
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}
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if (ext2fs_read((char *)addr, filelen) != filelen) {
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printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
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ext2fs_close();
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return(1);
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}
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ext2fs_close();
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/* Loading ok, update default load address */
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load_addr = addr;
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printf ("\n%ld bytes read\n", filelen);
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sprintf(buf, "%lX", filelen);
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setenv("filesize", buf);
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return(filelen);
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}
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U_BOOT_CMD(
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ext2load, 6, 0, do_ext2load,
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"ext2load- load binary file from a Ext2 filesystem\n",
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"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
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" - load binary file 'filename' from 'dev' on 'interface'\n"
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" to address 'addr' from ext2 filesystem\n"
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);
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#endif
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