1 files changed, 35 insertions, 0 deletions
diff --git a/Source/Kernel/MemoryManager/PageDirectory.class.h b/Source/Kernel/MemoryManager/PageDirectory.class.h
new file mode 100644
index 0000000..4591324
--- /dev/null
+++ b/Source/Kernel/MemoryManager/PageDirectory.class.h
@@ -0,0 +1,35 @@
+#ifndef DEF_PAGEDIRECTORY_CLASS_H
+#define DEF_PAGEDIRECTORY_CLASS_H
+
+#include <Core/common.wtf.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();
+	page_t *getPage(u32int address, bool make);
+	void allocFrame(u32int address, bool is_user, bool is_writable);
+	void freeFrame(u32int address);
+	void switchTo();
+};
+
+
+
+#endif