added hw module to interface h/w register reads/writes

src/core/src/hw/hw.h

@@ -0,0 +1,35 @@
+/**
+ * Copyright (C) 2013 Citrus Emulator
+ *
+ * @file    hw.h
+ * @author  bunnei
+ * @date    2014-04-04
+ * @brief   Hardware interface
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#include "common_types.h"
+
+namespace HW {
+
+template <typename T>
+inline void Read(T &var, const u32 addr);
+
+template <typename T>
+inline void Write(u32 addr, const T data);
+
+} // namespace