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a1596438 US |
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"); |