| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * fs/partitions/mac.h |
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| 4 | */ |
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| 5 | |
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| 6 | #define MAC_PARTITION_MAGIC 0x504d |
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| 7 | |
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| 8 | /* type field value for A/UX or other Unix partitions */ |
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| 9 | #define APPLE_AUX_TYPE "Apple_UNIX_SVR2" |
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| 10 | |
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| 11 | struct mac_partition { |
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| 12 | __be16 signature; /* expected to be MAC_PARTITION_MAGIC */ |
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| 13 | __be16 res1; |
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| 14 | __be32 map_count; /* # blocks in partition map */ |
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| 15 | __be32 start_block; /* absolute starting block # of partition */ |
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| 16 | __be32 block_count; /* number of blocks in partition */ |
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| 17 | char name[32]; /* partition name */ |
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| 18 | char type[32]; /* string type description */ |
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| 19 | __be32 data_start; /* rel block # of first data block */ |
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| 20 | __be32 data_count; /* number of data blocks */ |
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| 21 | __be32 status; /* partition status bits */ |
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| 22 | __be32 boot_start; |
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| 23 | __be32 boot_size; |
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| 24 | __be32 boot_load; |
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| 25 | __be32 boot_load2; |
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| 26 | __be32 boot_entry; |
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| 27 | __be32 boot_entry2; |
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| 28 | __be32 boot_cksum; |
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| 29 | char processor[16]; /* identifies ISA of boot */ |
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| 30 | /* there is more stuff after this that we don't need */ |
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| 31 | }; |
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| 32 | |
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| 33 | #define MAC_STATUS_BOOTABLE 8 /* partition is bootable */ |
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| 34 | |
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| 35 | #define MAC_DRIVER_MAGIC 0x4552 |
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| 36 | |
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| 37 | /* Driver descriptor structure, in block 0 */ |
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| 38 | struct mac_driver_desc { |
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| 39 | __be16 signature; /* expected to be MAC_DRIVER_MAGIC */ |
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| 40 | __be16 block_size; |
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| 41 | __be32 block_count; |
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| 42 | /* ... more stuff */ |
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| 43 | }; |
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| 44 | |
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| 45 | |
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