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Annotation of sys/arch/amd64/include/psl.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: psl.h,v 1.3 2007/02/11 20:29:20 miod Exp $    */
        !             2: /*     $NetBSD: psl.h,v 1.1 2003/02/26 21:26:11 fvdl Exp $     */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1990 The Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * William Jolitz.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)psl.h       5.2 (Berkeley) 1/18/91
        !            36:  */
        !            37:
        !            38: #ifndef _X86_PSL_H_
        !            39: #define _X86_PSL_H_
        !            40:
        !            41: /*
        !            42:  * 386 processor status longword.
        !            43:  */
        !            44: #define        PSL_C           0x00000001      /* carry flag */
        !            45: #define        PSL_PF          0x00000004      /* parity flag */
        !            46: #define        PSL_AF          0x00000010      /* auxiliary carry flag */
        !            47: #define        PSL_Z           0x00000040      /* zero flag */
        !            48: #define        PSL_N           0x00000080      /* sign flag */
        !            49: #define        PSL_T           0x00000100      /* trap flag */
        !            50: #define        PSL_I           0x00000200      /* interrupt enable flag */
        !            51: #define        PSL_D           0x00000400      /* direction flag */
        !            52: #define        PSL_V           0x00000800      /* overflow flag */
        !            53: #define        PSL_IOPL        0x00003000      /* i/o privilege level */
        !            54: #define        PSL_NT          0x00004000      /* nested task */
        !            55: #define        PSL_RF          0x00010000      /* resume flag */
        !            56: #define        PSL_VM          0x00020000      /* virtual 8086 mode */
        !            57: #define        PSL_AC          0x00040000      /* alignment check flag */
        !            58: #define        PSL_VIF         0x00080000      /* virtual interrupt enable flag */
        !            59: #define        PSL_VIP         0x00100000      /* virtual interrupt pending flag */
        !            60: #define        PSL_ID          0x00200000      /* identification flag */
        !            61:
        !            62: #define        PSL_MBO         0x00000002      /* must be one bits */
        !            63: #define        PSL_MBZ         0xffc08028      /* must be zero bits */
        !            64:
        !            65: #define        PSL_USERSET     (PSL_MBO | PSL_I)
        !            66: #ifdef VM86
        !            67: #define        PSL_USERSTATIC  (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VIF | PSL_VIP)
        !            68: #else
        !            69: #define        PSL_USERSTATIC  (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
        !            70: #endif
        !            71: #define PSL_USER (PSL_C | PSL_MBO | PSL_PF | PSL_AF | PSL_Z | PSL_N | PSL_V)
        !            72:
        !            73: /*
        !            74:  * ???
        !            75:  */
        !            76: #ifdef _KERNEL
        !            77: #include <machine/intr.h>
        !            78: #endif
        !            79:
        !            80: #endif /* !_X86_PSL_H_ */