cmd/fs.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
   4  *
   5  * Inspired by cmd_ext_common.c, cmd_fat.c.
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10 #include <fs.h>
  11 #include <efi_loader.h>
  12
  13 static int do_size_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  14 {
  15         return do_size(cmdtp, flag, argc, argv, FS_TYPE_ANY);
  16 }
  17
  18 U_BOOT_CMD(
  19         size,   4,      0,      do_size_wrapper,
  20         "determine a file's size",
  21         "<interface> <dev[:part]> <filename>\n"
  22         "    - Find file 'filename' from 'dev' on 'interface'\n"
  23         "      and determine its size."
  24 );
  25
  26 static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
  27                                 char * const argv[])
  28 {
  29 #ifdef CONFIG_CMD_BOOTEFI
  30         efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
  31                         (argc > 4) ? argv[4] : "");
  32 #endif
  33         return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
  34 }
  35
  36 U_BOOT_CMD(
  37         load,   7,      0,      do_load_wrapper,
  38         "load binary file from a filesystem",
  39         "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
  40         "    - Load binary file 'filename' from partition 'part' on device\n"
  41         "       type 'interface' instance 'dev' to address 'addr' in memory.\n"
  42         "      'bytes' gives the size to load in bytes.\n"
  43         "      If 'bytes' is 0 or omitted, the file is read until the end.\n"
  44         "      'pos' gives the file byte position to start reading from.\n"
  45         "      If 'pos' is 0 or omitted, the file is read from the start."
  46 )
  47
  48 static int do_save_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
  49                                 char * const argv[])
  50 {
  51         return do_save(cmdtp, flag, argc, argv, FS_TYPE_ANY);
  52 }
  53
  54 U_BOOT_CMD(
  55         save,   7,      0,      do_save_wrapper,
  56         "save file to a filesystem",
  57         "<interface> <dev[:part]> <addr> <filename> bytes [pos]\n"
  58         "    - Save binary file 'filename' to partition 'part' on device\n"
  59         "      type 'interface' instance 'dev' from addr 'addr' in memory.\n"
  60         "      'bytes' gives the size to save in bytes and is mandatory.\n"
  61         "      'pos' gives the file byte position to start writing to.\n"
  62         "      If 'pos' is 0 or omitted, the file is written from the start."
  63 )
  64
  65 static int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
  66                                 char * const argv[])
  67 {
  68         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_ANY);
  69 }
  70
  71 U_BOOT_CMD(
  72         ls,     4,      1,      do_ls_wrapper,
  73         "list files in a directory (default /)",
  74         "<interface> [<dev[:part]> [directory]]\n"
  75         "    - List files in directory 'directory' of partition 'part' on\n"
  76         "      device type 'interface' instance 'dev'."
  77 )
  78
  79 static int do_fstype_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
  80                                 char * const argv[])
  81 {
  82         return do_fs_type(cmdtp, flag, argc, argv);
  83 }
  84
  85 U_BOOT_CMD(
  86         fstype, 4, 1, do_fstype_wrapper,
  87         "Look up a filesystem type",
  88         "<interface> <dev>:<part>\n"
  89         "- print filesystem type\n"
  90         "fstype <interface> <dev>:<part> <varname>\n"
  91         "- set environment variable to filesystem type\n"
  92 );