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Annotation of Net2/arch/i386/include/eflags.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  * HISTORY
        !            28:  * $Log: eflags.h,v $
        !            29:  * Revision 1.1.1.1  1993/03/21 09:45:47  cgd
        !            30:  * initial import of 386bsd-0.1 sources
        !            31:  *
        !            32:  * Revision 2.4  91/05/14  16:06:35  mrt
        !            33:  *     Correcting copyright
        !            34:  * 
        !            35:  * Revision 2.3  91/02/05  17:11:26  mrt
        !            36:  *     Changed to new Mach copyright
        !            37:  *     [91/02/01  17:31:41  mrt]
        !            38:  * 
        !            39:  * Revision 2.2  90/05/03  15:25:03  dbg
        !            40:  *     Created.
        !            41:  *     [90/02/08            dbg]
        !            42:  * 
        !            43:  */
        !            44: 
        !            45: #ifndef        _I386_EFLAGS_H_
        !            46: #define        _I386_EFLAGS_H_
        !            47: 
        !            48: /*
        !            49:  *     i386 flags register
        !            50:  */
        !            51: #define        EFL_CF          0x00000001              /* carry */
        !            52: #define        EFL_PF          0x00000004              /* parity of low 8 bits */
        !            53: #define        EFL_AF          0x00000010              /* carry out of bit 3 */
        !            54: #define        EFL_ZF          0x00000040              /* zero */
        !            55: #define        EFL_SF          0x00000080              /* sign */
        !            56: #define        EFL_TF          0x00000100              /* trace trap */
        !            57: #define        EFL_IF          0x00000200              /* interrupt enable */
        !            58: #define        EFL_DF          0x00000400              /* direction */
        !            59: #define        EFL_OF          0x00000800              /* overflow */
        !            60: #define        EFL_IOPL        0x00003000              /* IO privilege level: */
        !            61: #define        EFL_IOPL_KERNEL 0x00000000                      /* kernel */
        !            62: #define        EFL_IOPL_USER   0x00003000                      /* user */
        !            63: #define        EFL_NT          0x00004000              /* nested task */
        !            64: #define        EFL_RF          0x00010000              /* resume without tracing */
        !            65: #define        EFL_VM          0x00020000              /* virtual 8086 mode */
        !            66: 
        !            67: #define        EFL_USER_SET    (EFL_IF)
        !            68: #define        EFL_USER_CLEAR  (EFL_IOPL|EFL_NT|EFL_RF)
        !            69: 
        !            70: #endif _I386_EFLAGS_H_

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