blob: 428f6233145532649209f7800c4d6a883199bef8 [file] [log] [blame] [raw]
/*
* Structure of a Macintosh driver descriptor (block 0)
* and partition table (blocks 1..n).
*
* Copyright 1996 Paul Mackerras.
*/
#define MAC_PARTITION_MAGIC 0x504d
/* type field value for A/UX or other Unix partitions */
#define APPLE_AUX_TYPE "Apple_UNIX_SVR2"
struct mac_partition {
__u16 signature; /* expected to be MAC_PARTITION_MAGIC */
__u16 res1;
__u32 map_count; /* # blocks in partition map */
__u32 start_block; /* absolute starting block # of partition */
__u32 block_count; /* number of blocks in partition */
char name[32]; /* partition name */
char 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 */
__u32 boot_start; /* logical start block no. of bootstrap */
__u32 boot_size; /* no. of bytes in bootstrap */
__u32 boot_load; /* bootstrap load address in memory */
__u32 boot_load2; /* reserved for extension of boot_load */
__u32 boot_entry; /* entry point address for bootstrap */
__u32 boot_entry2; /* reserved for extension of boot_entry */
__u32 boot_cksum;
char processor[16]; /* name of processor that boot is for */
};
/* Bit in status field */
#define STATUS_BOOTABLE 8 /* partition is bootable */
#define MAC_DRIVER_MAGIC 0x4552
/* Driver descriptor structure, in block 0 */
struct mac_driver_desc {
__u16 signature; /* expected to be MAC_DRIVER_MAGIC */
__u16 block_size;
__u32 block_count;
/* ... more stuff */
};