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proc.h revision 1.8 
      1 /*	$NetBSD: proc.h,v 1.8 2020/12/06 02:26:33 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 <machine/frame.h>
     38 
     39 /*
     40  * Machine-dependent part of the lwp structure for m68k.
     41  */
     42 struct mdlwp {
     43 	int	*md_regs;		/* registers on current frame */
     44 	int	md_flags;		/* machine-dependent flags */
     45 };
     46 
     47 /* md_flags */
     48 #define MDL_STACKADJ    0x0001  /* frame SP adjusted, might have to
     49                                    undo when system call returns
     50                                    ERESTART. */
     51 #define MDL_FPUSED	0x0002	/* floating point coprocessor used (sun[23]) */
     52 
     53 struct lwp;
     54 
     55 /*
     56  * Machine-dependent part of the proc structure for m68k-based ports.
     57  */
     58 struct mdproc {
     59 	int	mdp_flags;		/* machine-dependent flags */
     60 	void	(*md_syscall)(__register_t, struct lwp *, struct frame *);
     61 };
     62 
     63 /*
     64  * Note: The following are the aggregate of all the MDP_* #defines from the
     65  * various m68k-based ports at the time this file was created.
     66  * Some of them are probably obsolete and/or not applicable to all ports.
     67  */
     68 /* md_flags */
     69 #define	MDP_HPUXTRACE	0x0004  /* being traced by HP-UX process */
     70 #define	MDP_HPUXMMAP	0x0008	/* VA space is multiply mapped */
     71 #define MDP_CCBDATA	0x0010	/* copyback caching of data (68040) */
     72 #define MDP_CCBSTACK	0x0020	/* copyback caching of stack (68040) */
     73 
     74 #endif /* _M68K_PROC_H */
     75