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authorChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
commit9928d99936105b4653d2d1b8ca74dc3ffba5c71e (patch)
tree06aa4f5e9f0055027c6fb54dd47a8414cf2fba32 /src/partmac.h
First version in git
Diffstat (limited to 'src/partmac.h')
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diff --git a/src/partmac.h b/src/partmac.h
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+/*
+
+ File: partmac.c
+
+ Copyright (C) 2005 Christophe GRENIER <grenier@cgsecurity.org>
+ Some information has been found in mac-fdisk software
+
+ This software 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; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write the Free Software Foundation, Inc., 51
+ Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+
+#define BLOCK0_SIGNATURE 0x4552 /* Signature value. */
+
+#define DPISTRLEN 32
+#define DPME_SIGNATURE 0x504D
+#define PBLOCK_SIZE 512
+
+
+// Physical block zero of the disk has this format
+struct Block0 {
+ uint16_t sbSig; /* unique value for SCSI block 0 */
+ uint16_t sbBlkSize; /* block size of device */
+ uint32_t sbBlkCount; /* number of blocks on device */
+ uint16_t sbDevType; /* device type */
+ uint16_t sbDevId; /* device id */
+ uint32_t sbData; /* not used */
+ uint16_t sbDrvrCount; /* driver descriptor count */
+ uint16_t sbMap[247]; /* descriptor map */
+};
+typedef struct Block0 mac_Block0;
+
+// Where &sbMap[0] is actually an array DDMap[sbDrvrCount]
+// kludge to get around alignment junk
+struct DDMap {
+ uint32_t ddBlock; /* 1st driver's starting block */
+ uint16_t ddSize; /* size of 1st driver (512-byte blks) */
+ uint16_t ddType; /* system type (1 for Mac+) */
+};
+typedef struct DDMap mac_DDMap;
+
+
+// Each partition map entry (blocks 1 through n) has this format
+struct dpme {
+ uint16_t dpme_signature ;
+ uint16_t dpme_reserved_1 ;
+ uint32_t dpme_map_entries ;
+ uint32_t dpme_pblock_start ;
+ uint32_t dpme_pblocks ;
+ char dpme_name[DPISTRLEN] ; /* name of partition */
+ char dpme_type[DPISTRLEN] ; /* type of partition */
+ uint32_t dpme_lblock_start ;
+ uint32_t dpme_lblocks ;
+ uint32_t dpme_flags;
+#if 0
+ uint32_t dpme_reserved_2 : 23 ; /* Bit 9 through 31. */
+ uint32_t dpme_os_specific_1 : 1 ; /* Bit 8. */
+ uint32_t dpme_os_specific_2 : 1 ; /* Bit 7. */
+ uint32_t dpme_os_pic_code : 1 ; /* Bit 6. */
+ uint32_t dpme_writable : 1 ; /* Bit 5. */
+ uint32_t dpme_readable : 1 ; /* Bit 4. */
+ uint32_t dpme_bootable : 1 ; /* Bit 3. */
+ uint32_t dpme_in_use : 1 ; /* Bit 2. */
+ uint32_t dpme_allocated : 1 ; /* Bit 1. */
+ uint32_t dpme_valid : 1 ; /* Bit 0. */
+#endif
+ uint32_t dpme_boot_block ;
+ uint32_t dpme_boot_bytes ;
+ uint8_t *dpme_load_addr ;
+ uint8_t *dpme_load_addr_2 ;
+ uint8_t *dpme_goto_addr ;
+ uint8_t *dpme_goto_addr_2 ;
+ uint32_t dpme_checksum ;
+ char dpme_process_id[16] ;
+ uint32_t dpme_boot_args[32] ;
+ uint32_t dpme_reserved_3[62] ;
+};
+typedef struct dpme mac_DPME;
+
+