reiser.c 3.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2003 - 2004
  4. * Sysgo Real-Time Solutions, AG <www.elinos.com>
  5. * Pavel Bartusek <pba@sysgo.com>
  6. */
  7. /*
  8. * Reiserfs support
  9. */
  10. #include <common.h>
  11. #include <config.h>
  12. #include <command.h>
  13. #include <image.h>
  14. #include <linux/ctype.h>
  15. #include <asm/byteorder.h>
  16. #include <reiserfs.h>
  17. #include <part.h>
  18. #if !CONFIG_IS_ENABLED(DOS_PARTITION)
  19. #error DOS partition support must be selected
  20. #endif
  21. /* #define REISER_DEBUG */
  22. #ifdef REISER_DEBUG
  23. #define PRINTF(fmt,args...) printf (fmt ,##args)
  24. #else
  25. #define PRINTF(fmt,args...)
  26. #endif
  27. int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  28. {
  29. char *filename = "/";
  30. int dev, part;
  31. struct blk_desc *dev_desc = NULL;
  32. disk_partition_t info;
  33. if (argc < 3)
  34. return CMD_RET_USAGE;
  35. part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  36. if (part < 0)
  37. return 1;
  38. if (argc == 4) {
  39. filename = argv[3];
  40. }
  41. dev = dev_desc->devnum;
  42. PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  43. reiserfs_set_blk_dev(dev_desc, &info);
  44. if (!reiserfs_mount(info.size)) {
  45. printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
  46. return 1;
  47. }
  48. if (reiserfs_ls (filename)) {
  49. printf ("** Error reiserfs_ls() **\n");
  50. return 1;
  51. };
  52. return 0;
  53. }
  54. U_BOOT_CMD(
  55. reiserls, 4, 1, do_reiserls,
  56. "list files in a directory (default /)",
  57. "<interface> <dev[:part]> [directory]\n"
  58. " - list files from 'dev' on 'interface' in a 'directory'"
  59. );
  60. /******************************************************************************
  61. * Reiserfs boot command intepreter. Derived from diskboot
  62. */
  63. int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  64. {
  65. char *filename = NULL;
  66. int dev, part;
  67. ulong addr = 0, filelen;
  68. disk_partition_t info;
  69. struct blk_desc *dev_desc = NULL;
  70. unsigned long count;
  71. char *addr_str;
  72. switch (argc) {
  73. case 3:
  74. addr_str = env_get("loadaddr");
  75. if (addr_str != NULL) {
  76. addr = simple_strtoul (addr_str, NULL, 16);
  77. } else {
  78. addr = CONFIG_SYS_LOAD_ADDR;
  79. }
  80. filename = env_get("bootfile");
  81. count = 0;
  82. break;
  83. case 4:
  84. addr = simple_strtoul (argv[3], NULL, 16);
  85. filename = env_get("bootfile");
  86. count = 0;
  87. break;
  88. case 5:
  89. addr = simple_strtoul (argv[3], NULL, 16);
  90. filename = argv[4];
  91. count = 0;
  92. break;
  93. case 6:
  94. addr = simple_strtoul (argv[3], NULL, 16);
  95. filename = argv[4];
  96. count = simple_strtoul (argv[5], NULL, 16);
  97. break;
  98. default:
  99. return CMD_RET_USAGE;
  100. }
  101. if (!filename) {
  102. puts ("\n** No boot file defined **\n");
  103. return 1;
  104. }
  105. part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  106. if (part < 0)
  107. return 1;
  108. dev = dev_desc->devnum;
  109. printf("Loading file \"%s\" from %s device %d%c%c\n",
  110. filename, argv[1], dev,
  111. part ? ':' : ' ', part ? part + '0' : ' ');
  112. reiserfs_set_blk_dev(dev_desc, &info);
  113. if (!reiserfs_mount(info.size)) {
  114. printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
  115. return 1;
  116. }
  117. filelen = reiserfs_open(filename);
  118. if (filelen < 0) {
  119. printf("** File not found %s **\n", filename);
  120. return 1;
  121. }
  122. if ((count < filelen) && (count != 0)) {
  123. filelen = count;
  124. }
  125. if (reiserfs_read((char *)addr, filelen) != filelen) {
  126. printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
  127. return 1;
  128. }
  129. /* Loading ok, update default load address */
  130. load_addr = addr;
  131. printf ("\n%ld bytes read\n", filelen);
  132. env_set_hex("filesize", filelen);
  133. return filelen;
  134. }
  135. U_BOOT_CMD(
  136. reiserload, 6, 0, do_reiserload,
  137. "load binary file from a Reiser filesystem",
  138. "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
  139. " - load binary file 'filename' from 'dev' on 'interface'\n"
  140. " to address 'addr' from dos filesystem"
  141. );