x86_multiboot/MAL/include/structures.h

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/*******************************************************************************/
/*  © Université de Lille, The Pip Development Team (2015-2021)                */
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/*  This software is a computer program whose purpose is to run a minimal,     */
/*  hypervisor relying on proven properties such as memory isolation.          */
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/*******************************************************************************/

#ifndef STRUCT_H
#define STRUCT_H

#include <stdint.h>

#define PAGE_SIZE 4096 


typedef 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;  
} page_table_entry_t;

typedef struct page_table
{
    page_table_entry_t pages[1024]; 
} page_table_t;

typedef struct page_directory
{
    uint32_t tablesPhysical[1024]; 
} page_directory_t;

#endif