Simple physical memory allocator, virtual memory manager

src/addressspace.hpp

@@ -0,0 +1,42 @@
+#ifndef SRC_ADDRESSSPACE_H_
+#define SRC_ADDRESSSPACE_H_
+
+#include <stddef.h>
+
+#include "memoryallocator.hpp"
+#include "pagetableentry.hpp"
+#include "systypes.hpp"
+
+namespace qkernel {
+
+class AddressSpace {
+public:
+    
+	AddressSpace(MemoryAllocator& malloc);
+
+	void* mmap(void* start, size_t length);
+
+	void munmap(void* start, size_t length);
+
+	physaddr_t getPhysicalAddress(void* virtualAddress) const;
+    
+private:
+
+	MemoryAllocator& malloc;
+
+	/**
+	 * Array of 1024 page tables, each containing 1024 entries.
+	 * The last table represents the page directory.
+	 */
+	PageTableEntry* pageTables;
+
+	/**
+	 * Array of 1024 PDEs, located at the end of the pageTables array
+	 */
+	PageTableEntry* pageDirectory;
+
+};
+
+} /* namespace qkernel */
+
+#endif