Index: kernel/generic/include/config.h
===================================================================
--- kernel/generic/include/config.h	(revision 764c302a6272fd5764d4e38c8b741894512c5c2a)
+++ kernel/generic/include/config.h	(revision b006a2c8990750690f6845007fe696ea0c726deb)
@@ -63,4 +63,7 @@
 	size_t memory_size;		/**< Size of detected memory in bytes. */
 	size_t kernel_size;		/**< Size of memory in bytes taken by kernel and stack */
+	
+	uintptr_t stack_base;	/**< Base adddress of initial stack */
+	size_t stack_size;		/**< Size of initial stack */
 } config_t;
 
Index: kernel/generic/include/main/main.h
===================================================================
--- kernel/generic/include/main/main.h	(revision b006a2c8990750690f6845007fe696ea0c726deb)
+++ kernel/generic/include/main/main.h	(revision b006a2c8990750690f6845007fe696ea0c726deb)
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2006 Martin Decky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup main
+ * @{
+ */
+/** @file
+ */
+ 
+#ifndef __MAIN_H__
+#define __MAIN_H__
+
+#include <typedefs.h>
+
+extern uintptr_t stack_safe;
+
+#endif
+
+/** @}
+ */