3c68e4584f
Adds some struct types for the FAT32 file system. This just includes the information in the parameter blocks, not any actual files.
42 lines
929 B
C
42 lines
929 B
C
#ifndef _FAT_H
|
|
#define _FAT_H
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef struct {
|
|
uint16_t bytes_per_sector;
|
|
uint8_t sectors_per_cluster;
|
|
uint16_t reserved_sectors;
|
|
uint8_t fat_count;
|
|
uint16_t max_dir_entries;
|
|
uint16_t total_sector_count;
|
|
uint8_t media_descriptor;
|
|
uint16_t sectors_per_fat;
|
|
} dos_2_bpb_t;
|
|
|
|
typedef struct {
|
|
dos_2_bpb_t bpb2;
|
|
uint16_t sectors_per_track;
|
|
uint16_t head_count;
|
|
uint32_t hidden_sector_count;
|
|
uint32_t logical_sector_count;
|
|
uint32_t sectors_per_fat;
|
|
uint16_t extended_flags;
|
|
uint16_t version;
|
|
uint32_t root_cluster;
|
|
uint16_t system_information;
|
|
uint16_t backup_boot_sector;
|
|
uint8_t reserved[12];
|
|
} dos_3_bpb_t;
|
|
|
|
typedef struct {
|
|
dos_3_bpb_t bpb3;
|
|
uint8_t drive_num;
|
|
uint8_t reserved;
|
|
uint8_t extended_signature;
|
|
uint32_t volume_id;
|
|
uint8_t partition_label[11];
|
|
uint8_t filesystem_type[8];
|
|
} ebpb_t;
|
|
|
|
#endif |