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73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
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/*
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* Creation Date: <1999/07/06 15:45:12 samuel>
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* Time-stamp: <2002/10/20 16:31:48 samuel>
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*
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* <partition_table.h>
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*
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* Headers describing the partition table
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*
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* Copyright (C) 1999, 2002 Samuel Rydh (samuel@ibrium.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation
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*
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*/
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#ifndef _H_PARTITION_TABLE
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#define _H_PARTITION_TABLE
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/* This information is based upon IM vol V. */
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#define DESC_MAP_SIGNATURE 0x4552
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typedef struct {
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long ddBlock; /* first block of driver */
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short ddSize; /* driver size in blocks */
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short ddType; /* 1 & -1 for SCSI */
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} driver_entry_t;
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typedef struct { /* Block 0 of a device */
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short sbSig; /* always 0x4552 */
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short sbBlockSize; /* 512 */
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long sbBlkCount; /* #blocks on device */
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short sbDevType; /* 0 */
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short sbDevID; /* 0 */
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long sbData; /* 0 */
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short sbDrvrCount; /* #driver descriptors */
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/* driver entries goes here */
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driver_entry_t drivers[61] __attribute__ ((packed));
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short filler1;
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long filler2;
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} desc_map_t;
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typedef struct { /* Partition descriptor */
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short pmSig; /* always 0x504d 'PM' */
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short pmSigPad; /* 0 */
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ulong pmMapBlkCnt; /* #blocks in partition map */
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ulong pmPyPartStart; /* first physical block of part. */
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ulong pmPartBlkCnt; /* #blocks in partition */
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char pmPartName[32]; /* partition name */
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char pmPartType[32]; /* partition type */
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/* these fields may or may not be used */
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ulong pmLgDataStart;
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ulong pmDataCnt;
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ulong pmPartStatus;
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ulong pmLgBootStart;
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ulong pmBootSize;
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ulong pmBootLoad;
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ulong pmBootLoad2;
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ulong pmBootEntry;
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ulong pmBootEntry2;
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ulong pmBootCksum;
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char pmProcessor[16];
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char filler[376]; /* might contain extra information */
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} part_entry_t;
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#endif /* _H_PARTITION_TABLE */
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