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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2011 - 2012 Samsung Electronics
4 * EXT4 filesystem implementation in Uboot by
5 * Uma Shankar <uma.shankar@samsung.com>
6 * Manjunatha C Achar <a.manjunatha@samsung.com>
7 *
8 * Ext4fs support
9 * made from existing cmd_ext2.c file of Uboot
10 *
11 * (C) Copyright 2004
12 * esd gmbh <www.esd-electronics.com>
13 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
14 *
15 * made from cmd_reiserfs by
16 *
17 * (C) Copyright 2003 - 2004
18 * Sysgo Real-Time Solutions, AG <www.elinos.com>
19 * Pavel Bartusek <pba@sysgo.com>
20 */
21
22/*
23 * Changelog:
24 * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
25 * file in uboot. Added ext4fs ls load and write support.
26 */
27
28#include <part.h>
29#include <config.h>
30#include <command.h>
31#include <image.h>
32#include <linux/ctype.h>
33#include <asm/byteorder.h>
34#include <ext4fs.h>
35#include <linux/stat.h>
36#include <malloc.h>
37#include <fs.h>
38
39#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
40#include <usb.h>
41#endif
42
43int do_ext4_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
44{
45 return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
46}
47
48int do_ext4_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
49{
50 return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
51}
52
53int do_ext4_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
54{
55 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
56}
57
58#if defined(CONFIG_CMD_EXT4_WRITE)
59int do_ext4_write(struct cmd_tbl *cmdtp, int flag, int argc,
60 char *const argv[])
61{
62 return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
63}
64
65U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
66 "create a file in the root directory",
67 "<interface> <dev[:part]> <addr> <absolute filename path>\n"
68 " [sizebytes] [file offset]\n"
69 " - create a file in / directory");
70
71#endif
72
73U_BOOT_CMD(
74 ext4size, 4, 0, do_ext4_size,
75 "determine a file's size",
76 "<interface> <dev[:part]> <filename>\n"
77 " - Find file 'filename' from 'dev' on 'interface'\n"
78 " and determine its size."
79);
80
81U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
82 "list files in a directory (default /)",
83 "<interface> <dev[:part]> [directory]\n"
84 " - list files from 'dev' on 'interface' in a 'directory'");
85
86U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
87 "load binary file from a Ext4 filesystem",
88 "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
89 " - load binary file 'filename' from 'dev' on 'interface'\n"
90 " to address 'addr' from ext4 filesystem");