diff --git a/arch/mips/kvm/opcode.h b/arch/mips/kvm/opcode.h
new file mode 100644
index 0000000..03a6ae8
--- /dev/null
+++ b/arch/mips/kvm/opcode.h
@@ -0,0 +1,22 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
+ * Authors: Sanjay Lal <sanjayl@kymasys.com>
+ */
+
+/* Define opcode values not defined in <asm/isnt.h> */
+
+#ifndef __KVM_MIPS_OPCODE_H__
+#define __KVM_MIPS_OPCODE_H__
+
+/* COP0 Ops */
+#define mfmcz_op	0x0b	/* 01011 */
+#define wrpgpr_op	0x0e	/* 01110 */
+
+/* COP0 opcodes (only if COP0 and CO=1): */
+#define wait_op		0x20	/* 100000 */
+
+#endif /* __KVM_MIPS_OPCODE_H__ */