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diff --git a/i386/include/mach/i386/eflags.h b/i386/include/mach/i386/eflags.h
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+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef _MACH_I386_EFLAGS_H_
+#define _MACH_I386_EFLAGS_H_
+
+/*
+ * i386 flags register
+ */
+#define EFL_CF 0x00000001 /* carry */
+#define EFL_PF 0x00000004 /* parity of low 8 bits */
+#define EFL_AF 0x00000010 /* carry out of bit 3 */
+#define EFL_ZF 0x00000040 /* zero */
+#define EFL_SF 0x00000080 /* sign */
+#define EFL_TF 0x00000100 /* trace trap */
+#define EFL_IF 0x00000200 /* interrupt enable */
+#define EFL_DF 0x00000400 /* direction */
+#define EFL_OF 0x00000800 /* overflow */
+#define EFL_IOPL 0x00003000 /* IO privilege level: */
+#define EFL_IOPL_KERNEL 0x00000000 /* kernel */
+#define EFL_IOPL_USER 0x00003000 /* user */
+#define EFL_NT 0x00004000 /* nested task */
+#define EFL_RF 0x00010000 /* resume without tracing */
+#define EFL_VM 0x00020000 /* virtual 8086 mode */
+
+#endif _MACH_I386_EFLAGS_H_