proc.h revision 217354
1/*	$OpenBSD: proc.h,v 1.2 1998/09/15 10:50:12 pefo Exp $	*/
2
3/*-
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell.
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 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)proc.h	8.1 (Berkeley) 6/10/93
35 *	JNPR: proc.h,v 1.7.2.1 2007/09/10 06:25:24 girish
36 * $FreeBSD: head/sys/mips/include/proc.h 217354 2011-01-13 15:17:29Z jchandra $
37 */
38
39#ifndef _MACHINE_PROC_H_
40#define	_MACHINE_PROC_H_
41
42/*
43 * Machine-dependent part of the proc structure.
44 */
45struct mdthread {
46	int		md_flags;	/* machine-dependent flags */
47#if defined(__mips_n64) || defined(__mips_n32) /*  PHYSADDR_64_BIT */
48	uint64_t	md_upte[KSTACK_PAGES];	/* ptes for mapping u pcb */
49#else
50	int		md_upte[KSTACK_PAGES];
51#endif
52	int		md_ss_addr;	/* single step address for ptrace */
53	int		md_ss_instr;	/* single step instruction for ptrace */
54	register_t	md_saved_intr;
55	u_int		md_spinlock_count;
56/* The following is CPU dependent, but kept in for compatibility */
57	int		md_pc_ctrl;	/* performance counter control */
58	int		md_pc_count;	/* performance counter */
59	int		md_pc_spill;	/* performance counter spill */
60	void		*md_tls;
61};
62
63/* md_flags */
64#define	MDTD_FPUSED	0x0001		/* Process used the FPU */
65
66struct mdproc {
67	/* empty */
68};
69
70struct thread;
71
72void	mips_cpu_switch(struct thread *, struct thread *, struct mtx *);
73void	mips_cpu_throw(struct thread *, struct thread *);
74
75#ifdef __mips_n64
76#define	KINFO_PROC_SIZE 1088
77#else
78#define	KINFO_PROC_SIZE 816
79#endif
80
81#endif	/* !_MACHINE_PROC_H_ */
82