| /* |
| * Creation Date: <1999/07/06 15:45:12 samuel> |
| * Time-stamp: <2002/10/20 16:31:48 samuel> |
| * |
| * <partition_table.h> |
| * |
| * Headers describing the partition table |
| * |
| * Copyright (C) 1999, 2002 Samuel Rydh (samuel@ibrium.se) |
| * |
| * 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_PARTITION_TABLE |
| #define _H_PARTITION_TABLE |
| |
| /* This information is based upon IM vol V. */ |
| |
| #define DESC_MAP_SIGNATURE 0x4552 |
| #define DESC_PART_SIGNATURE 0x504d |
| |
| enum { |
| kPartitionAUXIsValid = 0x00000001, |
| kPartitionAUXIsAllocated = 0x00000002, |
| kPartitionAUXIsInUse = 0x00000004, |
| kPartitionAUXIsBootValid = 0x00000008, |
| kPartitionAUXIsReadable = 0x00000010, |
| kPartitionAUXIsWriteable = 0x00000020, |
| kPartitionAUXIsBootCodePositionIndependent = 0x00000040, |
| kPartitionISMountedAtStartup = 0x40000000, |
| kPartitionIsStartup = 0x80000000, |
| kPartitionIsChainCompatible = 0x00000100, |
| kPartitionIsRealDeviceDriver = 0x00000200, |
| kPartitionCanChainToNext = 0x00000400, |
| }; |
| |
| typedef struct { |
| u32 ddBlock; /* first block of driver */ |
| u16 ddSize; /* driver size in blocks */ |
| s16 ddType; /* 1 & -1 for SCSI */ |
| } driver_entry_t; |
| |
| typedef struct { /* Block 0 of a device */ |
| u16 sbSig; /* always 0x4552 */ |
| u16 sbBlockSize; /* 512 */ |
| s32 sbBlkCount; /* #blocks on device */ |
| u16 sbDevType; /* 0 */ |
| u16 sbDevID; /* 0 */ |
| u32 sbData; /* 0 */ |
| s16 sbDrvrCount; /* #driver descriptors */ |
| |
| /* driver entries goes here */ |
| driver_entry_t drivers[61] __attribute__ ((packed)); |
| |
| u16 filler1; |
| u32 filler2; |
| } desc_map_t; |
| |
| typedef struct { /* Partition descriptor */ |
| u16 pmSig; /* always 0x504d 'PM' */ |
| u16 pmSigPad; /* 0 */ |
| u32 pmMapBlkCnt; /* #blocks in partition map */ |
| u32 pmPyPartStart; /* first physical block of part. */ |
| u32 pmPartBlkCnt; /* #blocks in partition */ |
| char pmPartName[32]; /* partition name */ |
| char pmPartType[32]; /* partition type */ |
| |
| /* these fields may or may not be used */ |
| u32 pmLgDataStart; |
| u32 pmDataCnt; |
| u32 pmPartStatus; |
| u32 pmLgBootStart; |
| u32 pmBootSize; |
| u32 pmBootLoad; |
| u32 pmBootLoad2; |
| u32 pmBootEntry; |
| u32 pmBootEntry2; |
| u32 pmBootCksum; |
| char pmProcessor[16]; |
| |
| char filler[376]; /* might contain extra information */ |
| } part_entry_t; |
| |
| |
| #endif /* _H_PARTITION_TABLE */ |
