1/*	$NetBSD: pcb.h,v 1.10 2011/02/08 20:20:16 rmind Exp $	*/
 2
 3/*
 4 * Copyright (c) 1988 University of Utah.
 5 * Copyright (c) 1982, 1986, 1990, 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.
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 $Hdr: pcb.h 1.14 91/03/25$
37 *
38 *	@(#)pcb.h	8.1 (Berkeley) 6/10/93
39 */
40
41#ifndef _M68K_PCB_H_
42#define _M68K_PCB_H_
43
44#include <machine/frame.h>
45#include <machine/reg.h>
46
47/*
48 * m68k process control block
49 */
50struct pcb {
51	short	pcb_flags;	/* misc. process flags */
52	short	pcb_ps; 	/* processor status word */
53	int	__pcb_spare0;
54	int	pcb_usp;	/* user stack pointer */
55	int	pcb_regs[12];	/* D2-D7, A2-A7 */
56	void *	pcb_onfault;	/* for copyin/out faults */
57	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
58};
59
60/* Positions within pcb_regs[] of A6 and A7 (FP and SP). For m68k DDB. */
61#define PCB_REGS_FP	10
62#define PCB_REGS_SP	11
63
64/*
65 * The pcb is augmented with machine-dependent additional data for
66 * core dumps. For the hp300, this includes an HP-UX exec header
67 * which is dumped for HP-UX processes.
68 */
69struct md_coredump {
70	int	md_exec[16];	/* exec structure for HP-UX core dumps */
71};
72
73extern struct pcb *curpcb;
74
75#endif /* _M68K_PCB_H_ */