diff options
Diffstat (limited to 'block/partitions/mac.h')
| -rw-r--r-- | block/partitions/mac.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/block/partitions/mac.h b/block/partitions/mac.h new file mode 100644 index 0000000000..0e41c9da75 --- /dev/null +++ b/block/partitions/mac.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * fs/partitions/mac.h + */ + +#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 { + __be16 signature; /* expected to be MAC_PARTITION_MAGIC */ + __be16 res1; + __be32 map_count; /* # blocks in partition map */ + __be32 start_block; /* absolute starting block # of partition */ + __be32 block_count; /* number of blocks in partition */ + char name[32]; /* partition name */ + char type[32]; /* string type description */ + __be32 data_start; /* rel block # of first data block */ + __be32 data_count; /* number of data blocks */ + __be32 status; /* partition status bits */ + __be32 boot_start; + __be32 boot_size; + __be32 boot_load; + __be32 boot_load2; + __be32 boot_entry; + __be32 boot_entry2; + __be32 boot_cksum; + char processor[16]; /* identifies ISA of boot */ + /* there is more stuff after this that we don't need */ +}; + +#define MAC_STATUS_BOOTABLE 8 /* partition is bootable */ + +#define MAC_DRIVER_MAGIC 0x4552 + +/* Driver descriptor structure, in block 0 */ +struct mac_driver_desc { + __be16 signature; /* expected to be MAC_DRIVER_MAGIC */ + __be16 block_size; + __be32 block_count; + /* ... more stuff */ +}; + |