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diff --git a/i386/util/cpu.h b/i386/util/cpu.h
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+/* 
+ * Copyright (c) 1995-1994 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ *
+ *      Author: Bryan Ford, University of Utah CSL
+ */
+#ifndef _I386_UTIL_CPU_H_
+#define _I386_UTIL_CPU_H_
+
+#include <mach/machine/tss.h>
+
+#include "config.h"
+#include "gdt.h"
+#include "ldt.h"
+#include "idt.h"
+
+/*
+ * Multiprocessor i386/i486 systems use a separate copy of the
+ * GDT, IDT, LDT, and kernel TSS per processor.  The first three
+ * are separate to avoid lock contention: the i386 uses locked
+ * memory cycles to access the descriptor tables.  The TSS is
+ * separate since each processor needs its own kernel stack,
+ * and since using a TSS marks it busy.
+ */
+
+/* This structure holds the processor tables for this cpu.  */
+struct cpu_tables
+{
+	struct i386_gate	idt[IDTSZ];
+	struct i386_descriptor	gdt[GDTSZ];
+#ifdef ENABLE_KERNEL_LDT
+	struct i386_descriptor	ldt[LDTSZ];
+#endif
+#ifdef ENABLE_KERNEL_TSS
+	struct i386_tss		tss;
+#endif
+};
+
+#include_next "cpu.h"
+
+#endif _I386_UTIL_CPU_H_