Run Genode directly on hardware with 'base-hw'.

base-hw/include/base/ipc_msgbuf.h

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+/*
+ * \brief  IPC message buffers
+ * \author Martin Stein
+ * \date   2012-01-03
+ */
+
+/*
+ * Copyright (C) 2012 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__BASE__IPC_MSGBUF_H_
+#define _INCLUDE__BASE__IPC_MSGBUF_H_
+
+namespace Genode
+{
+	/**
+	 * IPC message buffer layout
+	 */
+	class Msgbuf_base
+	{
+		protected:
+
+			size_t _size; /* buffer size in bytes */
+
+		public:
+
+			char buf[]; /* begin of actual message buffer */
+
+			/*************************************************
+			 ** 'buf' must be the last member of this class **
+			 *************************************************/
+
+			/**
+			 * Return size of message buffer
+			 */
+			inline size_t size() const { return _size; }
+
+			/**
+			 * Return address of message buffer
+			 */
+			inline void *addr() { return &buf[0]; }
+	};
+
+	/**
+	 * Instance of IPC message buffer with specified buffer size
+	 *
+	 * 'Msgbuf_base' must be the last class this class inherits from.
+	 */
+	template <unsigned BUF_SIZE>
+	class Msgbuf : public Msgbuf_base
+	{
+		public:
+
+			/**************************************************
+			 ** 'buf' must be the first member of this class **
+			 **************************************************/
+
+			char buf[BUF_SIZE];
+
+			/**
+			 * Constructor
+			 */
+			Msgbuf() { _size = BUF_SIZE; }
+	};
+}
+
+#endif /* _INCLUDE__BASE__IPC_MSGBUF_H_ */
+