xref: /netbsd-src/sys/arch/hp300/include/pcb.h (revision cda4f8f6ee55684e8d311b86c99ea59191e6b74f)
1 /*
2  * Copyright (c) 1988 University of Utah.
3  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * the Systems Programming Group of the University of Utah Computer
8  * Science Department.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * from: Utah $Hdr: pcb.h 1.13 89/04/23$
39  *
40  *	from: @(#)pcb.h	7.4 (Berkeley) 5/4/91
41  *	$Id: pcb.h,v 1.2 1993/05/22 07:58:27 cgd Exp $
42  */
43 
44 #include <machine/frame.h>
45 
46 /*
47  * HP300 process control block
48  */
49 struct pcb
50 {
51 	short	pcb_flags;	/* misc. process flags (+0) */
52 	short	pcb_ps; 	/* processor status word (+2) */
53 	int	pcb_ustp;	/* user segment table pointer (+4) */
54 	int	pcb_usp;	/* user stack pointer (+8) */
55 	int	pcb_regs[12];	/* D0-D7, A0-A7 (+C) */
56 	int	pcb_cmap2;	/* temporary copy PTE */
57 	caddr_t	pcb_onfault;	/* for copyin/out faults */
58 	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
59 	int	pcb_exec[16];	/* exec structure for core dumps */
60 };
61 
62 /* flags */
63 
64 #define PCB_HPUXMMAP	0x0010	/* VA space is multiple mapped */
65 #define PCB_HPUXTRACE	0x0020	/* being traced by an HPUX process */
66 #define PCB_HPUXBIN	0x0040	/* loaded from an HPUX format binary */
67 				/* note: does NOT imply SHPUX */
68