Luna/kernel/include/memory/Paging.h

#pragma once
#include <stdint.h>

#ifndef PAGE_SIZE
#define PAGE_SIZE 4096
#endif

struct PageDirectoryEntry
{
    bool Present : 1;
    bool ReadWrite : 1;
    bool UserSuper : 1;
    bool WriteThrough : 1;
    bool CacheDisabled : 1;
    bool Accessed : 1;
    bool ignore0 : 1;
    bool LargerPages : 1;
    bool ignore1 : 1;
    uint8_t Available : 3;
    uint64_t Address : 52;

    void set_address(uint64_t addr);
};

struct PageTable
{
    PageDirectoryEntry entries[512];
} __attribute__((aligned(PAGE_SIZE)));