xref: /netbsd-src/sys/arch/sun3/include/pcb.h (revision 5f7096188587a2c7c95fa3c69b78e1ec9c7923d0)
1 /*
2  * Copyright (c) 1993 Adam Glass
3  * Copyright (c) 1988 University of Utah.
4  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by the University of
22  *	California, Berkeley and its contributors.
23  * 4. Neither the name of the University nor the names of its contributors
24  *    may be used to endorse or promote products derived from this software
25  *    without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37  * SUCH DAMAGE.
38  *
39  * from: Utah $Hdr: pcb.h 1.13 89/04/23$
40  *
41  *	from: @(#)pcb.h	7.4 (Berkeley) 5/4/91
42  *	pcb.h,v 1.2 1993/05/22 07:58:27 cgd Exp
43  */
44 
45 #include <machine/frame.h>
46 
47 /*
48  * Sun3 (close to but not exactly the same as the hp300) process control block
49  */
50 struct pcb
51 {
52 	short	pcb_flags;	/* misc. process flags (+0) */
53 	short	pcb_ps; 	/* processor status word (+2) */
54 	int	pcb_ustp;	/* user segment table pointer (+4) (not used)*/
55 	int	pcb_usp;	/* user stack pointer (+8) */
56 	int	pcb_regs[12];	/* D2-D7, A2-A7 (+C) */
57 	vm_offset_t pcb_upte[3]; /* ptes for u-area */
58 	caddr_t	pcb_onfault;	/* for copyin/out faults */
59 	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
60 	int	pcb_exec[16];	/* exec structure for core dumps */
61 };
62 
63 /* flags */
64 
65 #define PCB_HPUXMMAP	0x0010	/* VA space is multiple mapped */
66 #define PCB_HPUXTRACE	0x0020	/* being traced by an HPUX process */
67 #define PCB_HPUXBIN	0x0040	/* loaded from an HPUX format binary */
68 				/* note: does NOT imply SHPUX */
69