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Annotation of sys/arch/m88k/include/proc.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: proc.h,v 1.4 2005/11/28 22:21:15 miod Exp $ */
        !             2: /*
        !             3:  * Copyright (c) 1992, 1993
        !             4:  *     The Regents of the University of California.  All rights reserved.
        !             5:  *
        !             6:  * This software was developed by the Computer Systems Engineering group
        !             7:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
        !             8:  * contributed to Berkeley.
        !             9:  *
        !            10:  * All advertising materials mentioning features or use of this software
        !            11:  * must display the following acknowledgement:
        !            12:  *     This product includes software developed by the University of
        !            13:  *     California, Lawrence Berkeley Laboratory.
        !            14:  *
        !            15:  * Redistribution and use in source and binary forms, with or without
        !            16:  * modification, are permitted provided that the following conditions
        !            17:  * are met:
        !            18:  * 1. Redistributions of source code must retain the above copyright
        !            19:  *    notice, this list of conditions and the following disclaimer.
        !            20:  * 2. Redistributions in binary form must reproduce the above copyright
        !            21:  *    notice, this list of conditions and the following disclaimer in the
        !            22:  *    documentation and/or other materials provided with the distribution.
        !            23:  * 3. Neither the name of the University nor the names of its contributors
        !            24:  *    may be used to endorse or promote products derived from this software
        !            25:  *    without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            28:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            29:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            30:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            31:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            32:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            33:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            34:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            35:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            36:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            37:  * SUCH DAMAGE.
        !            38:  *
        !            39:  *     @(#)proc.h      8.1 (Berkeley) 6/11/93
        !            40:  *
        !            41:  * from: Header: proc.h,v 1.6 92/11/26 02:04:41 torek Exp  (LBL)
        !            42:  */
        !            43:
        !            44: #ifndef __MACHINE_PROC_H__
        !            45: #define __MACHINE_PROC_H__
        !            46:
        !            47: struct trapframe;
        !            48:
        !            49: /*
        !            50:  * Machine-dependent part of the proc structure for mvme88k.
        !            51:  */
        !            52: struct mdproc {
        !            53:        struct trapframe *md_tf;        /* trap/syscall registers */
        !            54:        volatile int md_astpending;     /* AST pending for this process */
        !            55:
        !            56:         /*
        !            57:          * Single stepping is done by moving two breakpoints in the
        !            58:          * process' code:
        !            59:          * - one breakpoint for regular flow (i.e. the immediately following
        !            60:          *   instruction)
        !            61:          * - one breakpoint for potential branches.
        !            62:          * Using two breakpoints allows us to not worry about the delay slots.
        !            63:          */
        !            64:        vaddr_t md_bp0va;
        !            65:        u_int   md_bp0save;
        !            66:        vaddr_t md_bp1va;
        !            67:        u_int   md_bp1save;
        !            68: };
        !            69:
        !            70: #endif /* __MACHINE_PROC_H__ */