Bootstrap in-kernel memory management

src/kernel/memory.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stddef.h>
+
+class memory_manager
+{
+public:
+
+	static void create(const void *memory_map, size_t map_length, size_t desc_length);
+	static memory_manager * get() { return s_instance; }
+
+private:
+	memory_manager(void *efi_runtime, void *memory_map, size_t map_length);
+
+	memory_manager() = delete;
+	memory_manager(const memory_manager &) = delete;
+
+	static memory_manager * s_instance;
+};