Return to psl.h CVS log

Up to [Net/2] / Net2 / arch / i386 / include

Annotation of Net2/arch/i386/include/psl.h, revision 1.1.1.3

1.1       root        1: /*-
                      2:  * Copyright (c) 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * This code is derived from software contributed to Berkeley by
                      6:  * William Jolitz.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  *
1.1.1.3 ! root       36:  *     from: @(#)psl.h 5.2 (Berkeley) 1/18/91
        !            37:  *     psl.h,v 1.2 1993/05/22 08:00:33 cgd Exp
1.1       root       38:  */
                     39: 
                     40: /*
                     41:  * 386 processor status longword.
                     42:  */
                     43: #define        PSL_C           0x00000001      /* carry bit */
                     44: #define        PSL_PF          0x00000004      /* parity bit */
                     45: #define        PSL_AF          0x00000010      /* bcd carry bit */
                     46: #define        PSL_Z           0x00000040      /* zero bit */
                     47: #define        PSL_N           0x00000080      /* negative bit */
                     48: #define        PSL_T           0x00000100      /* trace enable bit */
                     49: #define        PSL_I           0x00000200      /* interrupt enable bit */
                     50: #define        PSL_D           0x00000400      /* string instruction direction bit */
                     51: #define        PSL_V           0x00000800      /* overflow bit */
                     52: #define        PSL_IOPL        0x00003000      /* i/o priviledge level enable */
                     53: #define        PSL_NT          0x00004000      /* nested task bit */
                     54: #define        PSL_RF          0x00010000      /* restart flag bit */
                     55: #define        PSL_VM          0x00020000      /* virtual 8086 mode bit */
                     56: 
                     57: #define        PSL_MBZ         0xfffc7fb7      /* must be zero bits */
                     58: #define        PSL_MBO         0x00000002      /* must be one bits */
                     59: 
                     60: #define        PSL_USERSET     (PSL_IOPL)
                     61: #define        PSL_USERCLR     (PSL_I|PSL_NT)

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.