2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
4 * Copyright (C) 2002-2007 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
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.
14 #include "yaffs_packedtags1.h"
17 void yaffs_PackTags1(yaffs_PackedTags1
* pt
, const yaffs_ExtendedTags
* t
)
19 pt
->chunkId
= t
->chunkId
;
20 pt
->serialNumber
= t
->serialNumber
;
21 pt
->byteCount
= t
->byteCount
;
22 pt
->objectId
= t
->objectId
;
24 pt
->deleted
= (t
->chunkDeleted
) ? 0 : 1;
26 pt
->shouldBeFF
= 0xFFFFFFFF;
30 void yaffs_UnpackTags1(yaffs_ExtendedTags
* t
, const yaffs_PackedTags1
* pt
)
32 static const __u8 allFF
[] =
33 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
36 if (memcmp(allFF
, pt
, sizeof(yaffs_PackedTags1
))) {
38 if (pt
->shouldBeFF
!= 0xFFFFFFFF) {
42 t
->objectId
= pt
->objectId
;
43 t
->chunkId
= pt
->chunkId
;
44 t
->byteCount
= pt
->byteCount
;
45 t
->eccResult
= YAFFS_ECC_RESULT_NO_ERROR
;
46 t
->chunkDeleted
= (pt
->deleted
) ? 0 : 1;
47 t
->serialNumber
= pt
->serialNumber
;
49 memset(t
, 0, sizeof(yaffs_ExtendedTags
));