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 * SPDX-License-Identifier: GPL-2.0+
21 */
22
23 /*
24 * Changelog:
25 * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
26 * file in uboot. Added ext4fs ls load and write support.
27 */
28
29 #include <common.h>
30 #include <part.h>
31 #include <config.h>
32 #include <command.h>
33 #include <image.h>
34 #include <linux/ctype.h>
35 #include <asm/byteorder.h>
36 #include <ext4fs.h>
37 #include <linux/stat.h>
38 #include <malloc.h>
39 #include <fs.h>
40
41 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
42 #include <usb.h>
43 #endif
44
do_ext4_size(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])45 int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc,
46 char *const argv[])
47 {
48 return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
49 }
50
do_ext4_load(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])51 int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
52 char *const argv[])
53 {
54 return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
55 }
56
do_ext4_ls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])57 int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
58 {
59 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
60 }
61
62 #if defined(CONFIG_CMD_EXT4_WRITE)
do_ext4_write(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])63 int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
64 char *const argv[])
65 {
66 return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
67 }
68
69 U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
70 "create a file in the root directory",
71 "<interface> <dev[:part]> <addr> <absolute filename path>\n"
72 " [sizebytes] [file offset]\n"
73 " - create a file in / directory");
74
75 #endif
76
77 #if defined(CONFIG_CMD_EXT4_SPARSE_WRITE)
do_ext4_sparse_write(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])78 int do_ext4_sparse_write(cmd_tbl_t *cmdtp, int flag, int argc,
79 char *const argv[])
80 {
81 struct blk_desc *desc;
82 ulong buf, blk;
83
84 if (argc != 5)
85 return CMD_RET_USAGE;
86
87 desc = blk_get_dev(argv[1], simple_strtoul(argv[2], NULL, 16));
88 if (!desc) {
89 printf("Cannot get %s %s device\n", argv[1], argv[2]);
90 return CMD_RET_FAILURE;
91 }
92
93 buf = simple_strtoul(argv[3], NULL, 16);
94 blk = simple_strtoul(argv[4], NULL, 16);
95
96 return ext4_unsparse(desc, (const u8 *)buf, blk) ?
97 CMD_RET_FAILURE : CMD_RET_SUCCESS;
98 }
99
100 U_BOOT_CMD(ext4write_sparse, 5, 1, do_ext4_sparse_write,
101 "Unsparse file and write to block",
102 "<interface> <dev> <addr> <blk#>");
103 #endif
104
105 U_BOOT_CMD(
106 ext4size, 4, 0, do_ext4_size,
107 "determine a file's size",
108 "<interface> <dev[:part]> <filename>\n"
109 " - Find file 'filename' from 'dev' on 'interface'\n"
110 " and determine its size."
111 );
112
113 U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
114 "list files in a directory (default /)",
115 "<interface> <dev[:part]> [directory]\n"
116 " - list files from 'dev' on 'interface' in a 'directory'");
117
118 U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
119 "load binary file from a Ext4 filesystem",
120 "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
121 " - load binary file 'filename' from 'dev' on 'interface'\n"
122 " to address 'addr' from ext4 filesystem");
123