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 <env.h>
  14. #include <image.h>
  15. #include <linux/ctype.h>
  16. #include <asm/byteorder.h>
  17. #include <reiserfs.h>
  18. #include <part.h>
  19. #if !CONFIG_IS_ENABLED(DOS_PARTITION)
  20. #error DOS partition support must be selected
  21. #endif
  22. /* #define REISER_DEBUG */
  23. #ifdef REISER_DEBUG
  24. #define PRINTF(fmt,args...) printf (fmt ,##args)
  25. #else
  26. #define PRINTF(fmt,args...)
  27. #endif
  28. int do_reiserls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  29. {
  30. char *filename = "/";
  31. int dev, part;
  32. struct blk_desc *dev_desc = NULL;
  33. struct disk_partition info;
  34. if (argc < 3)
  35. return CMD_RET_USAGE;
  36. part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  37. if (part < 0)
  38. return 1;
  39. if (argc == 4) {
  40. filename = argv[3];
  41. }
  42. dev = dev_desc->devnum;
  43. PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  44. reiserfs_set_blk_dev(dev_desc, &info);
  45. if (!reiserfs_mount(info.size)) {
  46. printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
  47. return 1;
  48. }
  49. if (reiserfs_ls (filename)) {
  50. printf ("** Error reiserfs_ls() **\n");
  51. return 1;
  52. };
  53. return 0;
  54. }
  55. U_BOOT_CMD(
  56. reiserls, 4, 1, do_reiserls,
  57. "list files in a directory (default /)",
  58. "<interface> <dev[:part]> [directory]\n"
  59. " - list files from 'dev' on 'interface' in a 'directory'"
  60. );
  61. /******************************************************************************
  62. * Reiserfs boot command intepreter. Derived from diskboot
  63. */
  64. int do_reiserload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  65. {
  66. char *filename = NULL;
  67. int dev, part;
  68. ulong addr = 0, filelen;
  69. struct disk_partition info;
  70. struct blk_desc *dev_desc = NULL;
  71. unsigned long count;
  72. char *addr_str;
  73. switch (argc) {
  74. case 3:
  75. addr_str = env_get("loadaddr");
  76. if (addr_str != NULL) {
  77. addr = hextoul(addr_str, NULL);
  78. } else {
  79. addr = CONFIG_SYS_LOAD_ADDR;
  80. }
  81. filename = env_get("bootfile");
  82. count = 0;
  83. break;
  84. case 4:
  85. addr = hextoul(argv[3], NULL);
  86. filename = env_get("bootfile");
  87. count = 0;
  88. break;
  89. case 5:
  90. addr = hextoul(argv[3], NULL);
  91. filename = argv[4];
  92. count = 0;
  93. break;
  94. case 6:
  95. addr = hextoul(argv[3], NULL);
  96. filename = argv[4];
  97. count = hextoul(argv[5], NULL);
  98. break;
  99. default:
  100. return CMD_RET_USAGE;
  101. }
  102. if (!filename) {
  103. puts ("\n** No boot file defined **\n");
  104. return 1;
  105. }
  106. part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  107. if (part < 0)
  108. return 1;
  109. dev = dev_desc->devnum;
  110. printf("Loading file \"%s\" from %s device %d%c%c\n",
  111. filename, argv[1], dev,
  112. part ? ':' : ' ', part ? part + '0' : ' ');
  113. reiserfs_set_blk_dev(dev_desc, &info);
  114. if (!reiserfs_mount(info.size)) {
  115. printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
  116. return 1;
  117. }
  118. filelen = reiserfs_open(filename);
  119. if (filelen < 0) {
  120. printf("** File not found %s **\n", filename);
  121. return 1;
  122. }
  123. if ((count < filelen) && (count != 0)) {
  124. filelen = count;
  125. }
  126. if (reiserfs_read((char *)addr, filelen) != filelen) {
  127. printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
  128. return 1;
  129. }
  130. /* Loading ok, update default load address */
  131. image_load_addr = addr;
  132. printf ("\n%ld bytes read\n", filelen);
  133. env_set_hex("filesize", filelen);
  134. return filelen;
  135. }
  136. U_BOOT_CMD(
  137. reiserload, 6, 0, do_reiserload,
  138. "load binary file from a Reiser filesystem",
  139. "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
  140. " - load binary file 'filename' from 'dev' on 'interface'\n"
  141. " to address 'addr' from dos filesystem"
  142. );