1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * fs/partitions/atari.h |
4 | * Moved by Russell King from: |
5 | * |
6 | * linux/include/linux/atari_rootsec.h |
7 | * definitions for Atari Rootsector layout |
8 | * by Andreas Schwab (schwab@ls5.informatik.uni-dortmund.de) |
9 | * |
10 | * modified for ICD/Supra partitioning scheme restricted to at most 12 |
11 | * partitions |
12 | * by Guenther Kelleter (guenther@pool.informatik.rwth-aachen.de) |
13 | */ |
14 | |
15 | #include <linux/compiler.h> |
16 | |
17 | struct partition_info |
18 | { |
19 | u8 flg; /* bit 0: active; bit 7: bootable */ |
20 | char id[3]; /* "GEM", "BGM", "XGM", or other */ |
21 | __be32 st; /* start of partition */ |
22 | __be32 siz; /* length of partition */ |
23 | }; |
24 | |
25 | struct rootsector |
26 | { |
27 | char unused[0x156]; /* room for boot code */ |
28 | struct partition_info icdpart[8]; /* info for ICD-partitions 5..12 */ |
29 | char unused2[0xc]; |
30 | u32 hd_siz; /* size of disk in blocks */ |
31 | struct partition_info part[4]; |
32 | u32 bsl_st; /* start of bad sector list */ |
33 | u32 bsl_cnt; /* length of bad sector list */ |
34 | u16 checksum; /* checksum for bootable disks */ |
35 | } __packed; |
36 | |
37 | |