cmd/ext4.c

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