xref: /netbsd/sys/arch/atari/include/pcb.h (revision bf9ec67e)
1 /*	$NetBSD: pcb.h,v 1.4 2000/09/30 20:36:40 leo Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
6  * 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. 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  * from: Utah $Hdr: pcb.h 1.13 89/04/23$
41  *
42  *	@(#)pcb.h	7.4 (Berkeley) 5/4/91
43  */
44 
45 #ifndef _MACHINE_PCB_H_
46 #define _MACHINE_PCB_H_
47 
48 #include <machine/frame.h>
49 
50 /*
51  * ATARI process control block
52  */
53 struct pcb
54 {
55 	short	pcb_flags;	/* misc. process flags (+0) */
56 	short	pcb_ps; 	/* processor status word (+2) */
57 	int	__pcb_spare0;
58 	int	pcb_usp;	/* user stack pointer (+8) */
59 	int	pcb_regs[12];	/* D2-D7, A2-A7 (+C) */
60 	int	pcb_cmap2;	/* temporary copy PTE */
61 	caddr_t	pcb_onfault;	/* for copyin/out faults */
62 	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
63 	int	pcb_exec[16];	/* exec structure for core dumps */
64 };
65 
66 /* Positions within pcb_regs[] of A6 and A7 (FP and SP). For m68k DDB. */
67 #define PCB_REGS_FP	10
68 #define PCB_REGS_SP	11
69 
70 /* flags (none currently used) */
71 
72 /*
73  * The pcb is augmented with machine-dependent additional data for
74  * core dumps. For the hp300, this includes an HP-UX exec header
75  * which is dumped for HP-UX processes.
76  */
77 struct md_coredump {
78         int     md_exec[16];    /* exec structure for HP-UX core dumps */
79 };
80 
81 #endif /* !_MACHINE_PCB_H_ */
82