cmd/fs.c

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