feat(mm): add page table management and on-demand mapping

include/paging.h

@@ -0,0 +1,14 @@
+#ifndef FROSTBYTE_PAGING_H
+#define FROSTBYTE_PAGING_H
+
+#include "types.h"
+
+#define pagePresent 0x1
+#define pageWrite   0x2
+#define pageUser    0x4
+
+bool pagingMap(uint64 virtualAddr, uint64 physicalAddr, uint64 flags);
+uint64 pagingResolve(uint64 virtualAddr);
+bool pagingMapUserRange(uint64 virtualAddr, uint64 size);
+
+#endif