yaffs_tagsvalidity.c 814 B

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  1. /*
  2. * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
  3. *
  4. * Copyright (C) 2002-2007 Aleph One Ltd.
  5. * for Toby Churchill Ltd and Brightstar Engineering
  6. *
  7. * Created by Charles Manning <charles@aleph1.co.uk>
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. /* XXX U-BOOT XXX */
  14. #include <common.h>
  15. #include "yaffs_tagsvalidity.h"
  16. void yaffs_InitialiseTags(yaffs_ExtendedTags * tags)
  17. {
  18. memset(tags, 0, sizeof(yaffs_ExtendedTags));
  19. tags->validMarker0 = 0xAAAAAAAA;
  20. tags->validMarker1 = 0x55555555;
  21. }
  22. int yaffs_ValidateTags(yaffs_ExtendedTags * tags)
  23. {
  24. return (tags->validMarker0 == 0xAAAAAAAA &&
  25. tags->validMarker1 == 0x55555555);
  26. }