diff options
Diffstat (limited to 'qemu/roms/openbios/fs/hfs_mdb.h')
| -rw-r--r-- | qemu/roms/openbios/fs/hfs_mdb.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/qemu/roms/openbios/fs/hfs_mdb.h b/qemu/roms/openbios/fs/hfs_mdb.h new file mode 100644 index 000000000..652525d96 --- /dev/null +++ b/qemu/roms/openbios/fs/hfs_mdb.h @@ -0,0 +1,118 @@ +/* + * Creation Date: <2000/09/03 23:04:27 samuel> + * Time-stamp: <2000/09/04 01:23:55 samuel> + * + * <hfs_mdb.h> + * + * HFS Master Directory Block (MDB) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation + * + */ + +#ifndef _H_HFS_MDB +#define _H_HFS_MDB + +#include "libc/byteorder.h" + +typedef unsigned char hfs_char_t; +typedef unsigned char hfs_ushort_t[2]; +typedef unsigned char hfs_uint_t[4]; + +static inline unsigned short hfs_get_ushort(hfs_ushort_t addr) +{ + return __be16_to_cpu(*((unsigned short *)(addr))); +} + +static inline unsigned int hfs_get_uint(hfs_uint_t addr) +{ + return __be32_to_cpu(*((unsigned int *)(addr))); +} + +/* + * The HFS Master Directory Block (MDB). + * + * Also known as the Volume Information Block (VIB), this structure is + * the HFS equivalent of a superblock. + * + * Reference: _Inside Macintosh: Files_ pages 2-59 through 2-62 + * + * modified for HFS Extended + */ + +typedef struct hfs_mdb { + hfs_ushort_t drSigWord; /* Signature word indicating fs type */ + hfs_uint_t drCrDate; /* fs creation date/time */ + hfs_uint_t drLsMod; /* fs modification date/time */ + hfs_ushort_t drAtrb; /* fs attributes */ + hfs_ushort_t drNmFls; /* number of files in root directory */ + hfs_ushort_t drVBMSt; /* location (in 512-byte blocks) + of the volume bitmap */ + hfs_ushort_t drAllocPtr; /* location (in allocation blocks) + to begin next allocation search */ + hfs_ushort_t drNmAlBlks; /* number of allocation blocks */ + hfs_uint_t drAlBlkSiz; /* bytes in an allocation block */ + hfs_uint_t drClpSiz; /* clumpsize, the number of bytes to + allocate when extending a file */ + hfs_ushort_t drAlBlSt; /* location (in 512-byte blocks) + of the first allocation block */ + hfs_uint_t drNxtCNID; /* CNID to assign to the next + file or directory created */ + hfs_ushort_t drFreeBks; /* number of free allocation blocks */ + hfs_char_t drVN[28]; /* the volume label */ + hfs_uint_t drVolBkUp; /* fs backup date/time */ + hfs_ushort_t drVSeqNum; /* backup sequence number */ + hfs_uint_t drWrCnt; /* fs write count */ + hfs_uint_t drXTClpSiz; /* clumpsize for the extents B-tree */ + hfs_uint_t drCTClpSiz; /* clumpsize for the catalog B-tree */ + hfs_ushort_t drNmRtDirs; /* number of directories in + the root directory */ + hfs_uint_t drFilCnt; /* number of files in the fs */ + hfs_uint_t drDirCnt; /* number of directories in the fs */ + hfs_char_t drFndrInfo[32]; /* data used by the Finder */ + hfs_ushort_t drEmbedSigWord; /* embedded volume signature */ + hfs_uint_t drEmbedExtent; /* starting block number (xdrStABN) + and number of allocation blocks + (xdrNumABlks) occupied by embedded + volume */ + hfs_uint_t drXTFlSize; /* bytes in the extents B-tree */ + hfs_char_t drXTExtRec[12]; /* extents B-tree's first 3 extents */ + hfs_uint_t drCTFlSize; /* bytes in the catalog B-tree */ + hfs_char_t drCTExtRec[12]; /* catalog B-tree's first 3 extents */ +} hfs_mdb_t; + +#define HFS_PLUS_SIGNATURE 0x482b /* 'H+' */ +#define HFS_SIGNATURE 0x4244 /* HFS / embedded HFS+ */ + + +typedef struct hfs_plus_mdb +{ + unsigned short signature; + unsigned short version; + unsigned int attributes; + unsigned int lastMountedVersion; + unsigned int reserved; + + unsigned int createDate; + unsigned int modifyDate; + unsigned int backupDate; + unsigned int checkedDate; + + unsigned int fileCount; + unsigned int folderCount; + + unsigned int blockSize; + unsigned int totalBlocks; + unsigned int freeBlocks; + + unsigned int nextAllocation; + unsigned int rsrcClumpSize; + unsigned int dataClumpSize; + + /* ... there are more fields here ... */ +} hfs_plus_mdb_t; + + +#endif /* _H_HFS_MDB */ |