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      1 /* $NetBSD: psl.h,v 1.2 2013/11/10 19:52:01 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * William Jolitz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *      @(#)psl.h       5.2 (Berkeley) 1/18/91
     35  */
     36 
     37 #ifndef _USERMODE_PSL_H_
     38 #define _USERMODE_PSL_H_
     39 
     40 #if defined(__i386__) || defined(__x86_64__)
     41 
     42 /*
     43  * 386 processor status longword.
     44  */
     45 #define PSL_C           0x00000001      /* carry flag */
     46 #define PSL_PF          0x00000004      /* parity flag */
     47 #define PSL_AF          0x00000010      /* auxiliary carry flag */
     48 #define PSL_Z           0x00000040      /* zero flag */
     49 #define PSL_N           0x00000080      /* sign flag */
     50 #define PSL_T           0x00000100      /* trap flag */
     51 #define PSL_I           0x00000200      /* interrupt enable flag */
     52 #define PSL_D           0x00000400      /* direction flag */
     53 #define PSL_V           0x00000800      /* overflow flag */
     54 #define PSL_IOPL        0x00003000      /* i/o privilege level */
     55 #define PSL_NT          0x00004000      /* nested task */
     56 #define PSL_RF          0x00010000      /* resume flag */
     57 #define PSL_VM          0x00020000      /* virtual 8086 mode */
     58 #define PSL_AC          0x00040000      /* alignment check flag */
     59 #define PSL_VIF         0x00080000      /* virtual interrupt enable flag */
     60 #define PSL_VIP         0x00100000      /* virtual interrupt pending flag */
     61 #define PSL_ID          0x00200000      /* identification flag */
     62 
     63 #define PSL_MBO         0x00000002      /* must be one bits */
     64 #define PSL_MBZ         0xffc08028      /* must be zero bits */
     65 
     66 #define PSL_USERSTATIC  (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | \
     67 			 PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
     68 
     69 #define PSL_USER        (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
     70 			 PSL_T | PSL_V | PSL_D)
     71 
     72 #define PSL_CLEARSIG    (PSL_T | PSL_VM | PSL_AC | PSL_D)
     73 
     74 #elif defined(__arm__)
     75 
     76 /* ... */
     77 
     78 #else
     79 #error port me
     80 #endif
     81 
     82 
     83 #endif /* _USERMODE_PSL_H_ */
     84