| Uma Shankar | a159643 | 2012-05-25 21:21:44 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2011 - 2012 Samsung Electronics |
| 3 | * EXT4 filesystem implementation in Uboot by |
| 4 | * Uma Shankar <uma.shankar@samsung.com> |
| 5 | * Manjunatha C Achar <a.manjunatha@samsung.com> |
| 6 | * |
| 7 | * Ext4fs support |
| 8 | * made from existing cmd_ext2.c file of Uboot |
| 9 | * |
| 10 | * (C) Copyright 2004 |
| 11 | * esd gmbh <www.esd-electronics.com> |
| 12 | * Reinhard Arlt <reinhard.arlt@esd-electronics.com> |
| 13 | * |
| 14 | * made from cmd_reiserfs by |
| 15 | * |
| 16 | * (C) Copyright 2003 - 2004 |
| 17 | * Sysgo Real-Time Solutions, AG <www.elinos.com> |
| 18 | * Pavel Bartusek <pba@sysgo.com> |
| 19 | * |
| 20 | * This program is free software; you can redistribute it and/or |
| 21 | * modify it under the terms of the GNU General Public License as |
| 22 | * published by the Free Software Foundation; either version 2 of |
| 23 | * the License, or (at your option) any later version. |
| 24 | * |
| 25 | * This program is distributed in the hope that it will be useful, |
| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | * GNU General Public License for more details. |
| 29 | * |
| 30 | * You should have received a copy of the GNU General Public License |
| 31 | * along with this program; if not, write to the Free Software |
| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 33 | * MA 02111-1307 USA |
| 34 | * |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * Changelog: |
| 39 | * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c |
| 40 | * file in uboot. Added ext4fs ls load and write support. |
| 41 | */ |
| 42 | |
| 43 | #include <common.h> |
| 44 | #include <part.h> |
| 45 | #include <config.h> |
| 46 | #include <command.h> |
| 47 | #include <image.h> |
| 48 | #include <linux/ctype.h> |
| 49 | #include <asm/byteorder.h> |
| 50 | #include <ext_common.h> |
| 51 | #include <ext4fs.h> |
| 52 | #include <linux/stat.h> |
| 53 | #include <malloc.h> |
| 54 | |
| 55 | #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE) |
| 56 | #include <usb.h> |
| 57 | #endif |
| 58 | |
| 59 | #if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION) |
| 60 | #error DOS or EFI partition support must be selected |
| 61 | #endif |
| 62 | |
| 63 | uint64_t total_sector; |
| 64 | uint64_t part_offset; |
| 65 | |
| 66 | #define DOS_PART_MAGIC_OFFSET 0x1fe |
| 67 | #define DOS_FS_TYPE_OFFSET 0x36 |
| 68 | #define DOS_FS32_TYPE_OFFSET 0x52 |
| 69 | |
| 70 | int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc, |
| 71 | char *const argv[]) |
| 72 | { |
| 73 | if (do_ext_load(cmdtp, flag, argc, argv)) |
| 74 | return -1; |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
| 80 | { |
| 81 | if (do_ext_ls(cmdtp, flag, argc, argv)) |
| 82 | return -1; |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls, |
| 88 | "list files in a directory (default /)", |
| 89 | "<interface> <dev[:part]> [directory]\n" |
| 90 | " - list files from 'dev' on 'interface' in a 'directory'"); |
| 91 | |
| 92 | U_BOOT_CMD(ext4load, 6, 0, do_ext4_load, |
| 93 | "load binary file from a Ext4 filesystem", |
| 94 | "<interface> <dev[:part]> [addr] [filename] [bytes]\n" |
| 95 | " - load binary file 'filename' from 'dev' on 'interface'\n" |
| 96 | " to address 'addr' from ext4 filesystem"); |