#ifndef DEF_PAGEDIRECTORY_CLASS_H #define DEF_PAGEDIRECTORY_CLASS_H #include struct page_t { u32int present : 1; u32int rw : 1; u32int user : 1; u32int accessed : 1; u32int dirty : 1; u32int unused : 7; u32int frame : 20; }; struct page_table_t { page_t pages[1024]; }; struct PageDirectory { page_table_t *tables[1024]; u32int *tablesPhysical; u32int physicalAddr; PageDirectory(); ~PageDirectory(); page_t *getPage(u32int address, bool make); void allocFrame(u32int address, bool is_user, bool is_writable); void freeFrame(u32int address); void switchTo(); }; #endif