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Diffstat (limited to 'disk/part_mac.h')
| -rw-r--r-- | disk/part_mac.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/disk/part_mac.h b/disk/part_mac.h new file mode 100644 index 0000000..0340fe8 --- /dev/null +++ b/disk/part_mac.h @@ -0,0 +1,96 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; 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 to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * See also Linux sources, fs/partitions/mac.h + * + * This file describes structures and values related to the standard + * Apple SCSI disk partitioning scheme. For more information see: + * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92 + */ + +#ifndef _DISK_PART_MAC_H +#define _DISK_PART_MAC_H + +#define MAC_DRIVER_MAGIC 0x4552 + +/* + * Driver Descriptor Structure, in block 0. + * This block is (and shall remain) 512 bytes long. + * Note that there is an alignment problem for the driver descriptor map! + */ +typedef struct mac_driver_desc { + __u16 signature; /* expected to be MAC_DRIVER_MAGIC */ + __u16 blk_size; /* block size of device */ + __u32 blk_count; /* number of blocks on device */ + __u16 dev_type; /* device type */ + __u16 dev_id; /* device id */ + __u32 data; /* reserved */ + __u16 drvr_cnt; /* number of driver descriptor entries */ + __u16 drvr_map[247]; /* driver descriptor map */ +} mac_driver_desc_t; + +/* + * Device Driver Entry + * (Cannot be included in mac_driver_desc because of alignment problems) + */ +typedef struct mac_driver_entry { + __u32 block; /* block number of starting block */ + __u16 size; /* size of driver, in 512 byte blocks */ + __u16 type; /* OS Type */ +} mac_driver_entry_t; + + +#define MAC_PARTITION_MAGIC 0x504d + +/* type field value for A/UX or other Unix partitions */ +#define APPLE_AUX_TYPE "Apple_UNIX_SVR2" + +/* + * Each Partition Map entry (in blocks 1 ... N) has this format: + */ +typedef struct mac_partition { + __u16 signature; /* expected to be MAC_PARTITION_MAGIC */ + __u16 sig_pad; /* reserved */ + __u32 map_count; /* # blocks in partition map */ + __u32 start_block; /* abs. starting block # of partition */ + __u32 block_count; /* number of blocks in partition */ + uchar name[32]; /* partition name */ + uchar type[32]; /* string type description */ + __u32 data_start; /* rel block # of first data block */ + __u32 data_count; /* number of data blocks */ + __u32 status; /* partition status bits */ + __u32 boot_start; /* first block of boot code */ + __u32 boot_size; /* size of boot code, in bytes */ + __u32 boot_load; /* boot code load address */ + __u32 boot_load2; /* reserved */ + __u32 boot_entry; /* boot code entry point */ + __u32 boot_entry2; /* reserved */ + __u32 boot_cksum; /* boot code checksum */ + uchar processor[16]; /* Type of Processor */ + __u16 part_pad[188]; /* reserved */ +} mac_partition_t; + +#define MAC_STATUS_BOOTABLE 8 /* partition is bootable */ + +#endif /* _DISK_PART_MAC_H */ |