1 /* Description of entry in partition table. */ 2 #ifndef _PARTITION_H 3 #define _PARTITION_H 4 5 #include <stdint.h> 6 7 struct part_entry { 8 uint8_t bootind; /* boot indicator 0/ACTIVE_FLAG */ 9 uint8_t start_head; /* head value for first sector */ 10 uint8_t start_sec; /* sector value + cyl bits for first sector */ 11 uint8_t start_cyl; /* track value for first sector */ 12 uint8_t sysind; /* system indicator */ 13 uint8_t last_head; /* head value for last sector */ 14 uint8_t last_sec; /* sector value + cyl bits for last sector */ 15 uint8_t last_cyl; /* track value for last sector */ 16 uint32_t lowsec; /* logical first sector */ 17 uint32_t size; /* size of partition in sectors */ 18 }; 19 20 #define ACTIVE_FLAG 0x80 /* value for active in bootind field (hd0) */ 21 #define NR_PARTITIONS 4 /* number of entries in partition table */ 22 #define PART_TABLE_OFF 0x1BE /* offset of partition table in boot sector */ 23 24 /* Partition types. */ 25 #define NO_PART 0x00 /* unused entry */ 26 #define MINIX_PART 0x81 /* Minix partition type */ 27 28 #endif /* _PARTITION_H */ 29