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proc.h revision 1.2.4.3 
      1 /*	$NetBSD: proc.h,v 1.2.4.3 2002/08/02 08:39:02 gmcgarry 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. 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  *	@(#)proc.h	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #ifndef _M68K_PROC_H
     39 #define _M68K_PROC_H
     40 
     41 #include <machine/frame.h>
     42 
     43 /*
     44  * Machine-dependent part of the lwp structure for m68k.
     45  */
     46 struct mdlwp {
     47 	int	*md_regs;		/* registers on current frame */
     48 	int	md_flags;		/* machine-dependent flags */
     49 };
     50 
     51 /* md_flags */
     52 #define MDL_STACKADJ    0x0001  /* frame SP adjusted, might have to
     53                                    undo when system call returns
     54                                    ERESTART. */
     55 #define MDL_FPUSED	0x0002	/* floating point coprocessor used (sun[23]) */
     56 
     57 struct proc;
     58 
     59 /*
     60  * Machine-dependent part of the proc structure for m68k-based ports.
     61  */
     62 struct mdproc {
     63 	int	mdp_flags;		/* machine-dependent flags */
     64 	void	(*md_syscall)(register_t, struct lwp *, struct frame *);
     65 };
     66 
     67 /*
     68  * Note: The following are the aggregate of all the MDP_* #defines from the
     69  * various m68k-based ports at the time this file was created.
     70  * Some of them are probably obsolete and/or not applicable to all ports.
     71  */
     72 /* md_flags */
     73 #define	MDP_HPUXTRACE	0x0004  /* being traced by HP-UX process */
     74 #define	MDP_HPUXMMAP	0x0008	/* VA space is multiply mapped */
     75 #define MDP_CCBDATA	0x0010	/* copyback caching of data (68040) */
     76 #define MDP_CCBSTACK	0x0020	/* copyback caching of stack (68040) */
     77 
     78 #endif /* _M68K_PROC_H */
     79