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#ifndef DEF_PAGEDIRECTORY_CLASS_H
#define DEF_PAGEDIRECTORY_CLASS_H
#include <common.h>
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(PageDirectory* other); //Clones the other pagedir
~PageDirectory();
page_t *getPage(u32int address, bool make);
void map(page_t *p, u32int frame, bool is_user, bool is_writable);
void allocFrame(u32int address, bool is_user, bool is_writable);
void freeFrame(u32int address);
void switchTo();
private:
PageDirectory(const PageDirectory& other);
void operator=(const PageDirectory& other);
};
#endif
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