#ifndef MBR_H
#define MBR_H

#include "sassert.h"

enum MBR_PARTTYPE
{
	MBR_EMPTY      = 0,
	MBR_FAT12      = 0x01,
	MBR_FAT16_32MB = 0x04,
	MBR_EXT        = 0x05,
	MBR_FAT16      = 0x06,
	MBR_IFS        = 0x07,
	MBR_FAT32      = 0x0B,
	MBR_FAT32_LBA  = 0x0C,
	MBR_FAT16_LBA  = 0x0E,
	MBR_EXT_LBA    = 0x0F,
	MBR_LINUX_SWAP = 0x82,
	MBR_LINUX      = 0x83,
};

typedef _Packed struct MBR_CHS
{
	uint8_t head;
	unsigned sector : 6;
	unsigned cyl : 10;
} MBR_CHS;

STATIC_ASSERT(sizeof(MBR_CHS) == 3);

typedef _Packed struct MBR_PARTENTRY
{
	uint8_t status;
	MBR_CHS chsFirst;
	uint8_t type;
	MBR_CHS chsLast;
	uint32_t lbaFirst;
	uint32_t lbaLen;
} MBR_PARTENTRY;

STATIC_ASSERT(sizeof(MBR_PARTENTRY) == 16);

#define MBR_PARTENTRY_OFFSET_ON_DISK 446
#define MBR_SIGNATURE_OFFSET_ON_DISK 510

#endif // MBR_H