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November 28, 2019 04:14
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apm_partition_table.ksy
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| meta: | |
| id: apm_partition_table (bit better wrong) | |
| title: APM (Apple Partition Map) partition table | |
| license: CC0-1.0 | |
| endian: be | |
| encoding: ascii | |
| doc-ref: Specification taken from https://en.wikipedia.org/wiki/Apple_Partition_Map | |
| doc-ref: https://opensource.apple.com/source/pdisk/pdisk-9/dpme.h.auto.html | |
| doc-ref: https://opensource.apple.com/source/IOStorageFamily/IOStorageFamily-92.9/IOApplePartitionScheme.h.auto.html | |
| types: | |
| ddm: | |
| seq: | |
| - id: block_start | |
| type: u4 | |
| - id: block_size | |
| type: u2 | |
| - id: system_type | |
| type: u2 | |
| boot_data: | |
| seq: | |
| - id: boot_code_start | |
| type: u4 | |
| doc: "Boot block start" | |
| - id: boot_code_size | |
| type: u4 | |
| doc: "Boot block size" | |
| - id: boot_code_load_addr | |
| type: u4 | |
| doc: "Address of bootloader code" | |
| - id: boot_code_load_addr2 | |
| type: u4 | |
| - id: boot_code_goto_addr | |
| type: u4 | |
| doc: "Boot code entry point" | |
| - id: boot_code_goto_addr2 | |
| type: u4 | |
| - id: boot_code_cksum | |
| type: u4 | |
| doc: "Boot code checksum" | |
| - id: processor_type | |
| type: strz | |
| size: 0x10 | |
| - id: boot_args | |
| size: 4*32 | |
| block_zero: | |
| seq: | |
| - id: magic | |
| contents: "ER" | |
| - id: device_blocksize | |
| type: u2 | |
| - id: device_blockcount | |
| type: u4 | |
| - id: device_type | |
| type: u2 | |
| - id: device_id | |
| type: u2 | |
| - id: driver_data | |
| type: u4 | |
| - id: driver_count | |
| type: u2 | |
| - id: driver_table | |
| type: ddm | |
| repeat: expr | |
| repeat-expr: 8 | |
| - id: reserved | |
| size: 430 | |
| partition_flags: | |
| seq: | |
| - id: reserved | |
| type: b23 | |
| - id: os_specific1 | |
| type: b1 | |
| - id: os_specific2 | |
| type: b1 | |
| - id: os_pic_code | |
| type: b1 | |
| - id: writable | |
| type: b1 | |
| - id: readable | |
| type: b1 | |
| - id: bootable | |
| type: b1 | |
| - id: in_use | |
| type: b1 | |
| - id: allocated | |
| type: b1 | |
| - id: valid | |
| type: b1 | |
| partition_entry: | |
| seq: | |
| - id: magic | |
| contents: [ 0x50, 0x4d ] | |
| - id: reserved_1 | |
| size: 0x2 | |
| - id: number_of_partitions | |
| type: u4 | |
| - id: partition_start | |
| type: u4 | |
| doc: "First sector" | |
| - id: partition_size | |
| type: u4 | |
| doc: "Number of sectors" | |
| - id: partition_name | |
| type: strz | |
| size: 0x20 | |
| - id: partition_type | |
| type: strz | |
| size: 0x20 | |
| - id: lblock_start | |
| type: u4 | |
| doc: "First sector" | |
| - id: lblock_size | |
| type: u4 | |
| doc: "Number of sectors" | |
| - id: status_flags | |
| type: partition_flags | |
| - id: boot | |
| type: boot_data | |
| - id: reserved3 | |
| size: 4*62 | |
| instances: | |
| block0:https://opensource.apple.com/source/IOStorageFamily/IOStorageFamily-92.9/IOApplePartitionScheme.h.auto.html | |
| type: block_zero | |
| pos: 0x0 | |
| partition_map: | |
| type: partition_entry | |
| pos: block0.device_blocksize | |
| partitions: | |
| type: partition_entry | |
| pos: block0.device_blocksize | |
| repeat: expr | |
| repeat-expr: partition_map.number_of_partitions |
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