#pragma once

#include <stdint.h>

#define NOT_PRESENT (1 << 0)
#define RW          (1 << 1)
#define SUPERVISOR  (0 << 2)
#define INIT_FLAGS  (NOT_PRESENT | RW | SUPERVISOR)

struct page_directory_entry {
	uint32_t present : 1;
	uint32_t rw : 1;
	uint32_t user : 1;
	uint32_t page_size : 1;
	uint32_t unused : 8;
	uint32_t frame : 20;
};

struct page_table_entry {
	uint32_t present : 1;
	uint32_t rw : 1;
	uint32_t user : 1;
	uint32_t accessed : 1;
	uint32_t dirty : 1;
	uint32_t unused : 7;
	uint32_t frame : 20;
};

void init_memory(void);