#ifndef GDT_H
#define GDT_H

#include "types.h"

typedef struct {
	uint16_t limit_low;
	uint16_t base_low;
	uint8_t base_mid;
	uint16_t flags;
	uint8_t base_high;
} __attribute__((packed)) gdt_entry;

typedef struct {
	uint16_t limit;
	gdt_entry* base;
} __attribute__((packed)) gdt_ptr;

#define gdt_entry_init(b, l, f) { \
	.base_low = (b & 0xffff), \
	.base_mid = (b >> 16 & 0xff), \
	.base_high = (b >> 24 & 0xff), \
	.limit_low = (l & 0xffff), \
	.flags = (f | (l >> 8 & 0x0f00))}

void gdt_init();

#endif