cmd/fat.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2002
   4  * Richard Jones, rjones@nexus-tech.net
   5  */
   6
   7 /*
   8  * Boot support
   9  */
  10 #include <command.h>
  11 #include <mapmem.h>
  12 #include <fat.h>
  13 #include <fs.h>
  14 #include <part.h>
  15 #include <asm/cache.h>
  16
  17 static int do_fat_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  18 {
  19         return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  20 }
  21
  22 U_BOOT_CMD(
  23         fatsize,        4,      0,      do_fat_size,
  24         "determine a file's size",
  25         "<interface> <dev[:part]> <filename>\n"
  26         "    - Find file 'filename' from 'dev' on 'interface'\n"
  27         "      and determine its size."
  28 );
  29
  30 int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  31 {
  32         return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  33 }
  34
  35 U_BOOT_CMD(
  36         fatload,        7,      0,      do_fat_fsload,
  37         "load binary file from a dos filesystem",
  38         "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
  39         "    - Load binary file 'filename' from 'dev' on 'interface'\n"
  40         "      to address 'addr' from dos filesystem.\n"
  41         "      'pos' gives the file position to start loading from.\n"
  42         "      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
  43         "      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
  44         "      the load stops on end of file.\n"
  45         "      If either 'pos' or 'bytes' are not aligned to\n"
  46         "      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
  47         "      be printed and performance will suffer for the load."
  48 );
  49
  50 static int do_fat_ls(struct cmd_tbl *cmdtp, int flag, int argc,
  51                      char *const argv[])
  52 {
  53         return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  54 }
  55
  56 U_BOOT_CMD(
  57         fatls,  4,      1,      do_fat_ls,
  58         "list files in a directory (default /)",
  59         "<interface> [<dev[:part]>] [directory]\n"
  60         "    - list files from 'dev' on 'interface' in a 'directory'"
  61 );
  62
  63 static int do_fat_fsinfo(struct cmd_tbl *cmdtp, int flag, int argc,
  64                          char *const argv[])
  65 {
  66         int dev, part;
  67         struct blk_desc *dev_desc;
  68         struct disk_partition info;
  69
  70         if (argc < 2) {
  71                 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
  72                 return 0;
  73         }
  74
  75         part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  76         if (part < 0)
  77                 return 1;
  78
  79         dev = dev_desc->devnum;
  80         if (fat_set_blk_dev(dev_desc, &info) != 0) {
  81                 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
  82                         argv[1], dev, part);
  83                 return 1;
  84         }
  85         return file_fat_detectfs();
  86 }
  87
  88 U_BOOT_CMD(
  89         fatinfo,        3,      1,      do_fat_fsinfo,
  90         "print information about filesystem",
  91         "<interface> [<dev[:part]>]\n"
  92         "    - print information about filesystem from 'dev' on 'interface'"
  93 );
  94
  95 #ifdef CONFIG_FAT_WRITE
  96 static int do_fat_fswrite(struct cmd_tbl *cmdtp, int flag, int argc,
  97                           char *const argv[])
  98 {
  99         return do_save(cmdtp, flag, argc, argv, FS_TYPE_FAT);
 100 }
 101
 102 U_BOOT_CMD(
 103         fatwrite,       7,      0,      do_fat_fswrite,
 104         "write file into a dos filesystem",
 105         "<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n"
 106         "    - write file 'filename' from the address 'addr' in RAM\n"
 107         "      to 'dev' on 'interface'"
 108 );
 109
 110 static int do_fat_rm(struct cmd_tbl *cmdtp, int flag, int argc,
 111                      char *const argv[])
 112 {
 113         return do_rm(cmdtp, flag, argc, argv, FS_TYPE_FAT);
 114 }
 115
 116 U_BOOT_CMD(
 117         fatrm,  4,      1,      do_fat_rm,
 118         "delete a file",
 119         "<interface> [<dev[:part]>] <filename>\n"
 120         "    - delete a file from 'dev' on 'interface'"
 121 );
 122
 123 static int do_fat_mkdir(struct cmd_tbl *cmdtp, int flag, int argc,
 124                         char *const argv[])
 125 {
 126         return do_mkdir(cmdtp, flag, argc, argv, FS_TYPE_FAT);
 127 }
 128
 129 U_BOOT_CMD(
 130         fatmkdir,       4,      1,      do_fat_mkdir,
 131         "create a directory",
 132         "<interface> [<dev[:part]>] <directory>\n"
 133         "    - create a directory in 'dev' on 'interface'"
 134 );
 135 #endif