/* * (C) Copyright 2011 - 2012 Samsung Electronics * EXT4 filesystem implementation in Uboot by * Uma Shankar <uma.shankar@samsung.com> * Manjunatha C Achar <a.manjunatha@samsung.com> * * Ext4fs support * made from existing cmd_ext2.c file of Uboot * * (C) Copyright 2004 * esd gmbh <www.esd-electronics.com> * Reinhard Arlt <reinhard.arlt@esd-electronics.com> * * made from cmd_reiserfs by * * (C) Copyright 2003 - 2004 * Sysgo Real-Time Solutions, AG <www.elinos.com> * Pavel Bartusek <pba@sysgo.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ /* * Changelog: * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c * file in uboot. Added ext4fs ls load and write support. */ #include <common.h> #include <part.h> #include <config.h> #include <command.h> #include <image.h> #include <linux/ctype.h> #include <asm/byteorder.h> #include <ext4fs.h> #include <linux/stat.h> #include <malloc.h> #include <fs.h> #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE) #include <usb.h> #endif int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT, 16); } int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT); } #if defined(CONFIG_CMD_EXT4_WRITE) int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { const char *filename = "/"; int dev, part; unsigned long ram_address; unsigned long file_size; disk_partition_t info; block_dev_desc_t *dev_desc; if (argc < 6) return cmd_usage(cmdtp); part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1); if (part < 0) return 1; dev = dev_desc->dev; /* get the filename */ filename = argv[4]; /* get the address in hexadecimal format (string to int) */ ram_address = simple_strtoul(argv[3], NULL, 16); /* get the filesize in base 10 format */ file_size = simple_strtoul(argv[5], NULL, 10); /* set the device as block device */ ext4fs_set_blk_dev(dev_desc, &info); /* mount the filesystem */ if (!ext4fs_mount(info.size)) { printf("Bad ext4 partition %s %d:%d\n", argv[1], dev, part); goto fail; } /* start write */ if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) { printf("** Error ext4fs_write() **\n"); goto fail; } ext4fs_close(); return 0; fail: ext4fs_close(); return 1; } U_BOOT_CMD(ext4write, 6, 1, do_ext4_write, "create a file in the root directory", "<interface> <dev[:part]> <addr> <absolute filename path> [sizebytes]\n" " - create a file in / directory"); #endif U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls, "list files in a directory (default /)", "<interface> <dev[:part]> [directory]\n" " - list files from 'dev' on 'interface' in a 'directory'"); U_BOOT_CMD(ext4load, 6, 0, do_ext4_load, "load binary file from a Ext4 filesystem", "<interface> <dev[:part]> [addr] [filename] [bytes]\n" " - load binary file 'filename' from 'dev' on 'interface'\n" " to address 'addr' from ext4 filesystem.\n" " All numeric parameters are assumed to be hex.");