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- /*
- * Mach Operating System
- * Copyright (c) 1992 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.
- */
- /*
- * HISTORY
- * $Log: eflags.h,v $
- * Revision 2.1 92/04/21 17:19:15 rwd
- * BSDSS
- *
- *
- */
-
- #ifndef _I386_EFLAGS_H_
- #define _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 */
-
- #define EFL_USER_SET (EFL_IF)
- #define EFL_USER_CLEAR (EFL_IOPL|EFL_NT|EFL_RF)
-
- #endif _I386_EFLAGS_H_
-