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 <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
  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
  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
  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)
  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");