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pcb.h revision 1.6 
      1 /*	$NetBSD: pcb.h,v 1.6 2002/04/28 17:10:36 uch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
      5  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
      6  * Copyright (c) 1990 The Regents of the University of California.
      7  * All rights reserved.
      8  *
      9  * This code is derived from software contributed to Berkeley by
     10  * William Jolitz.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  *	@(#)pcb.h	5.10 (Berkeley) 5/12/91
     41  */
     42 
     43 /*
     44  * SH3 process control block
     45  *     T.Horiuchi Brains Corp. 05/27/1998
     46  */
     47 
     48 #ifndef _SH3_PCB_H_
     49 #define	_SH3_PCB_H_
     50 
     51 #include <sh3/frame.h>
     52 
     53 struct pcb {
     54 	struct switchframe pcb_sf;
     55 	vaddr_t pcb_sp;		/* kernel stack top */
     56 	vaddr_t pcb_fp;		/* frame top */
     57 	int	pageDirReg;	/* Page Directory of this process */
     58 	int	pcb_flags;
     59 	caddr_t	pcb_onfault;	/* copyin/out fault recovery */
     60 	int	fusubail;
     61 	struct pmap *pcb_pmap;	/* back pointer to our pmap */
     62 };
     63 
     64 /*
     65  * The pcb is augmented with machine-dependent additional data for
     66  * core dumps. For the SH3, there is nothing to add.
     67  */
     68 struct md_coredump {
     69 	long	md_pad[8];
     70 };
     71 
     72 #ifdef _KERNEL
     73 extern struct pcb *curpcb;		/* our current running pcb */
     74 #endif
     75 
     76 #endif /* !_SH3_PCB_H_ */
     77