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- /*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2007 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #include "yaffs_packedtags1.h"
- #include "yportenv.h"
- void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t)
- {
- pt->chunkId = t->chunkId;
- pt->serialNumber = t->serialNumber;
- pt->byteCount = t->byteCount;
- pt->objectId = t->objectId;
- pt->ecc = 0;
- pt->deleted = (t->chunkDeleted) ? 0 : 1;
- pt->unusedStuff = 0;
- pt->shouldBeFF = 0xFFFFFFFF;
- }
- void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt)
- {
- static const __u8 allFF[] =
- { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff };
- if (memcmp(allFF, pt, sizeof(yaffs_PackedTags1))) {
- t->blockBad = 0;
- if (pt->shouldBeFF != 0xFFFFFFFF) {
- t->blockBad = 1;
- }
- t->chunkUsed = 1;
- t->objectId = pt->objectId;
- t->chunkId = pt->chunkId;
- t->byteCount = pt->byteCount;
- t->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
- t->chunkDeleted = (pt->deleted) ? 0 : 1;
- t->serialNumber = pt->serialNumber;
- } else {
- memset(t, 0, sizeof(yaffs_ExtendedTags));
- }
- }
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