Index: arch/mips/include/debug.h
===================================================================
--- arch/mips/include/debug.h	(revision 4bb86b477c254c516ed36be4eb22f8e2918f4f0d)
+++ arch/mips/include/debug.h	(revision 4bb86b477c254c516ed36be4eb22f8e2918f4f0d)
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2005 Ondrej Palkovsky
+ * 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.
+ */
+
+#ifndef __mips_DEBUG_H__
+#define __mips_DEBUG_H__
+
+
+
+/**	simulator enters the trace mode */
+#define ___traceon()	asm volatile ( "\t.word\t0x39\n");
+/** 	simulator leaves the trace mode */
+#define ___traceoff()	asm volatile ( "\t.word\t0x3d\n");
+/** 	register dump */
+#define ___regview()	asm volatile ( "\t.word\t0x37\n");
+/** 	halt the simulator */
+#define ___halt()	asm volatile ( "\t.word\t0x28\n");
+/**     simulator enters interactive mode */
+#define ___intmode()	asm volatile ( "\t.word\t0x29\n");
+
+#endif