Migrate RTL subsystem to C++

xtoskrnl/rtl/data.cc

@@ -0,0 +1,13 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/data.cc
+ * DESCRIPTION:     Runtime Library global and static data
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+/* This is required for floating numbers to keep LLVM happy */
+XTCLINK INT _fltused = 0xFEEDBULL;