pcb.h revision 1.3.2.1 
1/*	$NetBSD: pcb.h,v 1.3.2.1 2000/06/22 17:02:39 minoura Exp $	*/
2
3/*-
4 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by TooLs GmbH.
19 * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33#ifndef	_MACHINE_PCB_H_
34#define	_MACHINE_PCB_H_
35
36typedef int faultbuf[23];
37
38struct pcb {
39	struct pmap *pcb_pm;	/* pmap of our vmspace */
40	struct pmap *pcb_pmreal; /* real address of above */
41	register_t pcb_sp;	/* saved SP */
42	int pcb_spl;		/* saved SPL */
43	faultbuf *pcb_onfault;	/* For use during copyin/copyout */
44	int pcb_flags;
45#define	PCB_FPU		1	/* Process had FPU initialized */
46	struct fpu {
47		double fpr[32];
48		double fpscr;	/* FPSCR stored as double for easier access */
49	} pcb_fpu;		/* Floating point processor */
50};
51
52struct md_coredump {
53	struct trapframe frame;
54	struct fpu fpstate;
55};
56
57#ifdef	_KERNEL
58extern struct pcb *curpcb;
59extern struct pmap *curpm;
60extern struct proc *fpuproc;
61#endif
62#endif	/* _MACHINE_PCB_H_ */
63