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authorru <ru@FreeBSD.org>2001-05-25 08:14:14 +0000
committerru <ru@FreeBSD.org>2001-05-25 08:14:14 +0000
commit8094d979ca0adb982d9e0c5482a2825da1b38e11 (patch)
tree09c650cd510113b8d6d68446ef7b4dba2f8e6e81 /sys/msdosfs/bpb.h
parent0c045c5d540f08a8fe263cda4d97745b7a4b5a33 (diff)
downloadFreeBSD-src-8094d979ca0adb982d9e0c5482a2825da1b38e11.zip
FreeBSD-src-8094d979ca0adb982d9e0c5482a2825da1b38e11.tar.gz
- sys/msdosfs moved to sys/fs/msdosfs
- msdos.ko renamed to msdosfs.ko - /usr/include/msdosfs moved to /usr/include/fs/msdosfs
Diffstat (limited to 'sys/msdosfs/bpb.h')
-rw-r--r--sys/msdosfs/bpb.h215
1 files changed, 0 insertions, 215 deletions
diff --git a/sys/msdosfs/bpb.h b/sys/msdosfs/bpb.h
deleted file mode 100644
index 42c941b..0000000
--- a/sys/msdosfs/bpb.h
+++ /dev/null
@@ -1,215 +0,0 @@
-/* $FreeBSD$ */
-/* $NetBSD: bpb.h,v 1.7 1997/11/17 15:36:24 ws Exp $ */
-
-/*
- * Written by Paul Popelka (paulp@uts.amdahl.com)
- *
- * You can do anything you want with this software, just don't say you wrote
- * it, and don't remove this notice.
- *
- * This software is provided "as is".
- *
- * The author supplies this software to be publicly redistributed on the
- * understanding that the author is not responsible for the correct
- * functioning of this software in any circumstances and is not liable for
- * any damages caused by this software.
- *
- * October 1992
- */
-
-/*
- * BIOS Parameter Block (BPB) for DOS 3.3
- */
-struct bpb33 {
- u_int16_t bpbBytesPerSec; /* bytes per sector */
- u_int8_t bpbSecPerClust; /* sectors per cluster */
- u_int16_t bpbResSectors; /* number of reserved sectors */
- u_int8_t bpbFATs; /* number of FATs */
- u_int16_t bpbRootDirEnts; /* number of root directory entries */
- u_int16_t bpbSectors; /* total number of sectors */
- u_int8_t bpbMedia; /* media descriptor */
- u_int16_t bpbFATsecs; /* number of sectors per FAT */
- u_int16_t bpbSecPerTrack; /* sectors per track */
- u_int16_t bpbHeads; /* number of heads */
- u_int16_t bpbHiddenSecs; /* number of hidden sectors */
-};
-
-/*
- * BPB for DOS 5.0 The difference is bpbHiddenSecs is a short for DOS 3.3,
- * and bpbHugeSectors is not in the 3.3 bpb.
- */
-struct bpb50 {
- u_int16_t bpbBytesPerSec; /* bytes per sector */
- u_int8_t bpbSecPerClust; /* sectors per cluster */
- u_int16_t bpbResSectors; /* number of reserved sectors */
- u_int8_t bpbFATs; /* number of FATs */
- u_int16_t bpbRootDirEnts; /* number of root directory entries */
- u_int16_t bpbSectors; /* total number of sectors */
- u_int8_t bpbMedia; /* media descriptor */
- u_int16_t bpbFATsecs; /* number of sectors per FAT */
- u_int16_t bpbSecPerTrack; /* sectors per track */
- u_int16_t bpbHeads; /* number of heads */
- u_int32_t bpbHiddenSecs; /* # of hidden sectors */
- u_int32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
-};
-
-/*
- * BPB for DOS 7.10 (FAT32). This one has a few extensions to bpb50.
- */
-struct bpb710 {
- u_int16_t bpbBytesPerSec; /* bytes per sector */
- u_int8_t bpbSecPerClust; /* sectors per cluster */
- u_int16_t bpbResSectors; /* number of reserved sectors */
- u_int8_t bpbFATs; /* number of FATs */
- u_int16_t bpbRootDirEnts; /* number of root directory entries */
- u_int16_t bpbSectors; /* total number of sectors */
- u_int8_t bpbMedia; /* media descriptor */
- u_int16_t bpbFATsecs; /* number of sectors per FAT */
- u_int16_t bpbSecPerTrack; /* sectors per track */
- u_int16_t bpbHeads; /* number of heads */
- u_int32_t bpbHiddenSecs; /* # of hidden sectors */
- u_int32_t bpbHugeSectors; /* # of sectors if bpbSectors == 0 */
- u_int32_t bpbBigFATsecs; /* like bpbFATsecs for FAT32 */
- u_int16_t bpbExtFlags; /* extended flags: */
-#define FATNUM 0xf /* mask for numbering active FAT */
-#define FATMIRROR 0x80 /* FAT is mirrored (like it always was) */
- u_int16_t bpbFSVers; /* filesystem version */
-#define FSVERS 0 /* currently only 0 is understood */
- u_int32_t bpbRootClust; /* start cluster for root directory */
- u_int16_t bpbFSInfo; /* filesystem info structure sector */
- u_int16_t bpbBackup; /* backup boot sector */
- /* There is a 12 byte filler here, but we ignore it */
-};
-
-#ifdef atari
-/*
- * BPB for gemdos filesystems. Atari leaves the obsolete stuff undefined.
- * Currently there is no need for a separate BPB structure.
- */
-#if 0
-struct bpb_a {
- u_int16_t bpbBytesPerSec; /* bytes per sector */
- u_int8_t bpbSecPerClust; /* sectors per cluster */
- u_int16_t bpbResSectors; /* number of reserved sectors */
- u_int8_t bpbFATs; /* number of FATs */
- u_int16_t bpbRootDirEnts; /* number of root directory entries */
- u_int16_t bpbSectors; /* total number of sectors */
- u_int8_t bpbUseless1; /* meaningless on gemdos fs */
- u_int16_t bpbFATsecs; /* number of sectors per FAT */
- u_int16_t bpbUseless2; /* meaningless for harddisk fs */
- u_int16_t bpbUseless3; /* meaningless for harddisk fs */
- u_int16_t bpbHiddenSecs; /* the TOS-BIOS ignores this */
-};
-#endif
-#endif /* atari */
-
-/*
- * The following structures represent how the bpb's look on disk. shorts
- * and longs are just character arrays of the appropriate length. This is
- * because the compiler forces shorts and longs to align on word or
- * halfword boundaries.
- *
- * XXX The little-endian code here assumes that the processor can access
- * 16-bit and 32-bit quantities on byte boundaries. If this is not true,
- * use the macros for the big-endian case.
- */
-
-#include <machine/endian.h>
-
-#ifdef __i386__
-#define UNLALIGNED_ACCESS
-#endif
-
-#if (BYTE_ORDER == LITTLE_ENDIAN) && defined(UNALIGNED_ACCESS)
-#define getushort(x) *((u_int16_t *)(x))
-#define getulong(x) *((u_int32_t *)(x))
-#define putushort(p, v) (*((u_int16_t *)(p)) = (v))
-#define putulong(p, v) (*((u_int32_t *)(p)) = (v))
-#else
-#define getushort(x) (((u_int8_t *)(x))[0] + (((u_int8_t *)(x))[1] << 8))
-#define getulong(x) (((u_int8_t *)(x))[0] + (((u_int8_t *)(x))[1] << 8) \
- + (((u_int8_t *)(x))[2] << 16) \
- + (((u_int8_t *)(x))[3] << 24))
-#define putushort(p, v) (((u_int8_t *)(p))[0] = (v), \
- ((u_int8_t *)(p))[1] = (v) >> 8)
-#define putulong(p, v) (((u_int8_t *)(p))[0] = (v), \
- ((u_int8_t *)(p))[1] = (v) >> 8, \
- ((u_int8_t *)(p))[2] = (v) >> 16,\
- ((u_int8_t *)(p))[3] = (v) >> 24)
-#endif
-
-/*
- * BIOS Parameter Block (BPB) for DOS 3.3
- */
-struct byte_bpb33 {
- int8_t bpbBytesPerSec[2]; /* bytes per sector */
- int8_t bpbSecPerClust; /* sectors per cluster */
- int8_t bpbResSectors[2]; /* number of reserved sectors */
- int8_t bpbFATs; /* number of FATs */
- int8_t bpbRootDirEnts[2]; /* number of root directory entries */
- int8_t bpbSectors[2]; /* total number of sectors */
- int8_t bpbMedia; /* media descriptor */
- int8_t bpbFATsecs[2]; /* number of sectors per FAT */
- int8_t bpbSecPerTrack[2]; /* sectors per track */
- int8_t bpbHeads[2]; /* number of heads */
- int8_t bpbHiddenSecs[2]; /* number of hidden sectors */
-};
-
-/*
- * BPB for DOS 5.0 The difference is bpbHiddenSecs is a short for DOS 3.3,
- * and bpbHugeSectors is not in the 3.3 bpb.
- */
-struct byte_bpb50 {
- int8_t bpbBytesPerSec[2]; /* bytes per sector */
- int8_t bpbSecPerClust; /* sectors per cluster */
- int8_t bpbResSectors[2]; /* number of reserved sectors */
- int8_t bpbFATs; /* number of FATs */
- int8_t bpbRootDirEnts[2]; /* number of root directory entries */
- int8_t bpbSectors[2]; /* total number of sectors */
- int8_t bpbMedia; /* media descriptor */
- int8_t bpbFATsecs[2]; /* number of sectors per FAT */
- int8_t bpbSecPerTrack[2]; /* sectors per track */
- int8_t bpbHeads[2]; /* number of heads */
- int8_t bpbHiddenSecs[4]; /* number of hidden sectors */
- int8_t bpbHugeSectors[4]; /* # of sectors if bpbSectors == 0 */
-};
-
-/*
- * BPB for DOS 7.10 (FAT32). This one has a few extensions to bpb50.
- */
-struct byte_bpb710 {
- u_int8_t bpbBytesPerSec[2]; /* bytes per sector */
- u_int8_t bpbSecPerClust; /* sectors per cluster */
- u_int8_t bpbResSectors[2]; /* number of reserved sectors */
- u_int8_t bpbFATs; /* number of FATs */
- u_int8_t bpbRootDirEnts[2]; /* number of root directory entries */
- u_int8_t bpbSectors[2]; /* total number of sectors */
- u_int8_t bpbMedia; /* media descriptor */
- u_int8_t bpbFATsecs[2]; /* number of sectors per FAT */
- u_int8_t bpbSecPerTrack[2]; /* sectors per track */
- u_int8_t bpbHeads[2]; /* number of heads */
- u_int8_t bpbHiddenSecs[4]; /* # of hidden sectors */
- u_int8_t bpbHugeSectors[4]; /* # of sectors if bpbSectors == 0 */
- u_int8_t bpbBigFATsecs[4]; /* like bpbFATsecs for FAT32 */
- u_int8_t bpbExtFlags[2]; /* extended flags: */
- u_int8_t bpbFSVers[2]; /* filesystem version */
- u_int8_t bpbRootClust[4]; /* start cluster for root directory */
- u_int8_t bpbFSInfo[2]; /* filesystem info structure sector */
- u_int8_t bpbBackup[2]; /* backup boot sector */
- /* There is a 12 byte filler here, but we ignore it */
-};
-
-/*
- * FAT32 FSInfo block.
- */
-struct fsinfo {
- u_int8_t fsisig1[4];
- u_int8_t fsifill1[480];
- u_int8_t fsisig2[4];
- u_int8_t fsinfree[4];
- u_int8_t fsinxtfree[4];
- u_int8_t fsifill2[12];
- u_int8_t fsisig3[4];
- u_int8_t fsifill3[508];
- u_int8_t fsisig4[4];
-};
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