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 <common.h>
29 #include <part.h>
30 #include <config.h>
31 #include <command.h>
32 #include <image.h>
33 #include <linux/ctype.h>
34 #include <asm/byteorder.h>
35 #include <ext4fs.h>
36 #include <linux/stat.h>
37 #include <malloc.h>
38 #include <fs.h>
39 
40 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
41 #include <usb.h>
42 #endif
43 
do_ext4_size(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])44 int do_ext4_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
45 {
46 	return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
47 }
48 
do_ext4_load(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])49 int do_ext4_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
50 {
51 	return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
52 }
53 
do_ext4_ls(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])54 int do_ext4_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
55 {
56 	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
57 }
58 
59 #if defined(CONFIG_CMD_EXT4_WRITE)
do_ext4_write(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])60 int do_ext4_write(struct cmd_tbl *cmdtp, int flag, int argc,
61 		  char *const argv[])
62 {
63 	return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
64 }
65 
66 U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
67 	   "create a file in the root directory",
68 	   "<interface> <dev[:part]> <addr> <absolute filename path>\n"
69 	   "    [sizebytes] [file offset]\n"
70 	   "    - create a file in / directory");
71 
72 #endif
73 
74 U_BOOT_CMD(
75 	ext4size,	4,	0,	do_ext4_size,
76 	"determine a file's size",
77 	"<interface> <dev[:part]> <filename>\n"
78 	"    - Find file 'filename' from 'dev' on 'interface'\n"
79 	"      and determine its size."
80 );
81 
82 U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
83 	   "list files in a directory (default /)",
84 	   "<interface> <dev[:part]> [directory]\n"
85 	   "    - list files from 'dev' on 'interface' in a 'directory'");
86 
87 U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
88 	   "load binary file from a Ext4 filesystem",
89 	   "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
90 	   "    - load binary file 'filename' from 'dev' on 'interface'\n"
91 	   "      to address 'addr' from ext4 filesystem");
92