cmd/erofs.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2022 Huang Jianan <jnhuang95@gmail.com>
   4  *
   5  * Author: Huang Jianan <jnhuang95@gmail.com>
   6  *
   7  * erofs.c:     implements EROFS related commands
   8  */
   9
  10 #include <command.h>
  11 #include <fs.h>
  12 #include <erofs.h>
  13
  14 static int do_erofs_ls(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
  15 {
  16         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EROFS);
  17 }
  18
  19 U_BOOT_CMD(erofsls, 4, 1, do_erofs_ls,
  20            "List files in directory. Default: root (/).",
  21            "<interface> [<dev[:part]>] [directory]\n"
  22            "    - list files from 'dev' on 'interface' in 'directory'\n"
  23 );
  24
  25 static int do_erofs_load(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
  26 {
  27         return do_load(cmdtp, flag, argc, argv, FS_TYPE_EROFS);
  28 }
  29
  30 U_BOOT_CMD(erofsload, 7, 0, do_erofs_load,
  31            "load binary file from a EROFS filesystem",
  32            "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
  33            "    - Load binary file 'filename' from 'dev' on 'interface'\n"
  34            "      to address 'addr' from EROFS filesystem.\n"
  35            "      'pos' gives the file position to start loading from.\n"
  36            "      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
  37            "      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
  38            "      the load stops on end of file.\n"
  39            "      If either 'pos' or 'bytes' are not aligned to\n"
  40            "      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
  41            "      be printed and performance will suffer for the load."
  42 );