sys/arch/m68k/include/proc.h

   1 /*      $NetBSD: proc.h,v 1.5 2005/12/11 12:17:53 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)proc.h      8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #ifndef _M68K_PROC_H
  35 #define _M68K_PROC_H
  36
  37 #include <sys/user.h> /* for sizeof(struct user) */
  38 #include <machine/frame.h>
  39
  40 /*
  41  * Machine-dependent part of the lwp structure for m68k.
  42  */
  43 struct mdlwp {
  44         int     *md_regs;               /* registers on current frame */
  45         int     md_flags;               /* machine-dependent flags */
  46 };
  47
  48 /* md_flags */
  49 #define MDL_STACKADJ    0x0001  /* frame SP adjusted, might have to
  50                                    undo when system call returns
  51                                    ERESTART. */
  52 #define MDL_FPUSED      0x0002  /* floating point coprocessor used (sun[23]) */
  53
  54 struct lwp;
  55
  56 /*
  57  * Machine-dependent part of the proc structure for m68k-based ports.
  58  */
  59 struct mdproc {
  60         int     mdp_flags;              /* machine-dependent flags */
  61         void    (*md_syscall)(register_t, struct lwp *, struct frame *);
  62 };
  63
  64 /*
  65  * Note: The following are the aggregate of all the MDP_* #defines from the
  66  * various m68k-based ports at the time this file was created.
  67  * Some of them are probably obsolete and/or not applicable to all ports.
  68  */
  69 /* md_flags */
  70 #define MDP_HPUXTRACE   0x0004  /* being traced by HP-UX process */
  71 #define MDP_HPUXMMAP    0x0008  /* VA space is multiply mapped */
  72 #define MDP_CCBDATA     0x0010  /* copyback caching of data (68040) */
  73 #define MDP_CCBSTACK    0x0020  /* copyback caching of stack (68040) */
  74
  75 #endif /* _M68K_PROC_H */