1/*	$NetBSD: proc.h,v 1.26 2011/01/14 02:06:28 rmind 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 * 3. 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 */
36
37#ifndef _MIPS_PROC_H_
38#define _MIPS_PROC_H_
39
40#include <sys/param.h>
41#include <mips/vmparam.h>
42
43struct lwp;
44
45/*
46 * Machine-dependent part of the lwp structure for MIPS
47 */
48struct trapframe;
49
50struct mdlwp {
51	struct trapframe *md_utf;	/* trapframe from userspace */
52	vaddr_t	md_ss_addr;		/* single step address for ptrace */
53	int	md_ss_instr;		/* single step instruction for ptrace */
54	volatile int md_astpending;	/* AST pending on return to userland */
55#if USPACE > PAGE_SIZE
56	int	md_upte[USPACE/4096];	/* ptes for mapping u page */
57#else
58	int	md_dpte[USPACE/4096];	/* dummy ptes to keep the same */
59#endif
60};
61
62struct mdproc {
63					/* syscall entry for this process */
64	void	(*md_syscall)(struct lwp *, u_int, u_int, vaddr_t);
65	int	md_abi;			/* which ABI is this process using? */
66};
67
68/* md_flags */
69
70#ifdef _KERNEL
71struct lwp;
72
73/* kernel single-step emulation */
74int	mips_singlestep(struct lwp *);
75
76#define	LWP0_CPU_INFO	&cpu_info_store	/* staticly set in lwp0 */
77#endif /* _KERNEL */
78
79#endif /* _MIPS_PROC_H_ */
80