91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/*
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File: partmac.c
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Copyright (C) 2005 Christophe GRENIER <grenier@cgsecurity.org>
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Some information has been found in mac-fdisk software
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This software is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define BLOCK0_SIGNATURE 0x4552 /* Signature value. */
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#define DPISTRLEN 32
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#define DPME_SIGNATURE 0x504D
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#define PBLOCK_SIZE 512
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// Physical block zero of the disk has this format
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struct Block0 {
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uint16_t sbSig; /* unique value for SCSI block 0 */
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uint16_t sbBlkSize; /* block size of device */
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uint32_t sbBlkCount; /* number of blocks on device */
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uint16_t sbDevType; /* device type */
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uint16_t sbDevId; /* device id */
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uint32_t sbData; /* not used */
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uint16_t sbDrvrCount; /* driver descriptor count */
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uint16_t sbMap[247]; /* descriptor map */
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};
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typedef struct Block0 mac_Block0;
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// Where &sbMap[0] is actually an array DDMap[sbDrvrCount]
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// kludge to get around alignment junk
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struct DDMap {
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uint32_t ddBlock; /* 1st driver's starting block */
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uint16_t ddSize; /* size of 1st driver (512-byte blks) */
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uint16_t ddType; /* system type (1 for Mac+) */
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};
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typedef struct DDMap mac_DDMap;
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// Each partition map entry (blocks 1 through n) has this format
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struct dpme {
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uint16_t dpme_signature ;
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uint16_t dpme_reserved_1 ;
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uint32_t dpme_map_entries ;
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uint32_t dpme_pblock_start ;
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uint32_t dpme_pblocks ;
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char dpme_name[DPISTRLEN] ; /* name of partition */
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char dpme_type[DPISTRLEN] ; /* type of partition */
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uint32_t dpme_lblock_start ;
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uint32_t dpme_lblocks ;
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uint32_t dpme_flags;
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#if 0
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uint32_t dpme_reserved_2 : 23 ; /* Bit 9 through 31. */
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uint32_t dpme_os_specific_1 : 1 ; /* Bit 8. */
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uint32_t dpme_os_specific_2 : 1 ; /* Bit 7. */
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uint32_t dpme_os_pic_code : 1 ; /* Bit 6. */
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uint32_t dpme_writable : 1 ; /* Bit 5. */
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uint32_t dpme_readable : 1 ; /* Bit 4. */
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uint32_t dpme_bootable : 1 ; /* Bit 3. */
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uint32_t dpme_in_use : 1 ; /* Bit 2. */
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uint32_t dpme_allocated : 1 ; /* Bit 1. */
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uint32_t dpme_valid : 1 ; /* Bit 0. */
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#endif
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uint32_t dpme_boot_block ;
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uint32_t dpme_boot_bytes ;
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uint8_t *dpme_load_addr ;
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uint8_t *dpme_load_addr_2 ;
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uint8_t *dpme_goto_addr ;
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uint8_t *dpme_goto_addr_2 ;
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uint32_t dpme_checksum ;
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char dpme_process_id[16] ;
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uint32_t dpme_boot_args[32] ;
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uint32_t dpme_reserved_3[62] ;
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};
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typedef struct dpme mac_DPME;
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