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/*
* Structure of a filecore disc record
*/
#ifndef BLKIO_FILECORE_H
#define BLKIO_FILECORE_H
#include "util/types.h"
#define FILECORE_BOOT_SECTOR 6
#define FILECORE_SECTOR_SIZE 512
typedef union disc_record {
struct {
u8 log2secsize; /* sector size */
u8 secspertrack; /* sectors per track */
u8 heads; /* number of heads */
u8 density; /* density of disk */
u8 idlen;
u8 log2bpmb; /* bits per map bit */
u8 skew;
u8 bootoption; /* boot option */
u8 lowsector; /* lowest numbered sector on track */
u8 nzones; /* number of map zones */
u16 zone_spare;
u32 root; /* address of root directory */
u32 disc_size; /* disc size low word */
u16 disc_id; /* disc cycle id */
u8 disc_name[10]; /* disc name */
u32 disctype; /* disc type */
u32 disc_size_high; /* disc size high word */
unsigned int share_size : 4, /* granularity of directory sharing */
unused : 4,
big_flag : 1, /* 1: use LBA mode */
unused2 : 23;
} d;
u8 packing[64];
} disc_record_t;
#endif
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