xref: /openbmc/u-boot/cmd/ext4.c (revision e8f80a5a)
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(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])44 int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc,
45 						char *const argv[])
46 {
47 	return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
48 }
49 
do_ext4_load(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])50 int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
51 						char *const argv[])
52 {
53 	return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
54 }
55 
do_ext4_ls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])56 int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
57 {
58 	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
59 }
60 
61 #if defined(CONFIG_CMD_EXT4_WRITE)
do_ext4_write(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])62 int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
63 		  char *const argv[])
64 {
65 	return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
66 }
67 
68 U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
69 	   "create a file in the root directory",
70 	   "<interface> <dev[:part]> <addr> <absolute filename path>\n"
71 	   "    [sizebytes] [file offset]\n"
72 	   "    - create a file in / directory");
73 
74 #endif
75 
76 U_BOOT_CMD(
77 	ext4size,	4,	0,	do_ext4_size,
78 	"determine a file's size",
79 	"<interface> <dev[:part]> <filename>\n"
80 	"    - Find file 'filename' from 'dev' on 'interface'\n"
81 	"      and determine its size."
82 );
83 
84 U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
85 	   "list files in a directory (default /)",
86 	   "<interface> <dev[:part]> [directory]\n"
87 	   "    - list files from 'dev' on 'interface' in a 'directory'");
88 
89 U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
90 	   "load binary file from a Ext4 filesystem",
91 	   "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
92 	   "    - load binary file 'filename' from 'dev' on 'interface'\n"
93 	   "      to address 'addr' from ext4 filesystem");
94