cmd/ext4.c

   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
  43 int 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
  48 int 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
  53 int 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)
  59 int 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
  65 U_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
  73 U_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
  81 U_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
  86 U_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");