fat.c 3.5 KB

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