xref: /openbsd/sys/arch/mips64/include/pcb.h (revision 5a38ef86)
1 /*      $OpenBSD: pcb.h,v 1.10 2021/10/07 12:40:16 visa Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department and Ralph Campbell.
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. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	from: Utah Hdr: pcb.h 1.13 89/04/23
37  *	from: @(#)pcb.h	8.1 (Berkeley) 6/10/93
38  */
39 
40 #ifndef _MIPS64_PCB_H_
41 #define _MIPS64_PCB_H_
42 
43 #include <machine/frame.h>
44 
45 /*
46  * MIPS process control block. This is first in the U-area.
47  */
48 struct pcb {
49 	struct trapframe pcb_regs;	/* saved CPU and registers */
50 	struct {
51 		/* val[12] is unused, was RM7000 ICR */
52 		register_t val[13];
53 	} pcb_context;			/* kernel context for resume */
54 	int	pcb_onfault;		/* for copyin/copyout faults */
55 	void	*pcb_segtab;		/* copy of pmap pm_segtab */
56 };
57 
58 #endif	/* !_MIPS64_PCB_H_ */
59