Adds stub class for physical memory managment.

prototypes/base/Makefile

@@ -38,4 +38,7 @@ kernel-base.ker: $(OBJS)
 run:
 	qemu-system-i386 -kernel kernel-base.ker
 
-bnr: kernel-base.ker run
+bnr: kernel-base.ker run
+
+deploy: kernel-base.ker
+	cp kernel-base.ker /srv/tftp/kernel-base.ker

prototypes/base/include/pmm.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stddef.h>
+
+/**
+ * Physical memory management tool.
+ */
+class PMM
+{
+private:
+  PMM() = delete;
+public:
+  /**
+   * Marks a page as occupied by external memory management.
+   * @returns true if the page was previously free, false if it was already allocated.
+   */
+  static bool markOccupied(void *page);
+
+  /**
+   * Allocates a single page.
+   */
+  static void* alloc();
+
+  /**
+   * Frees a given page by pointer.
+   */
+  static void free(void *page);
+};

prototypes/base/src/pmm.cpp

@@ -0,0 +1,16 @@
+#include "pmm.hpp"
+
+bool PMM::markOccupied(void *page)
+{
+  return false;
+}
+
+void *PMM::alloc()
+{
+  return nullptr;
+}
+
+void PMM::free(void *page)
+{
+  
+}