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