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