1 /*	$NetBSD: proc.h,v 1.28 2015/06/30 04:20:19 matt 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 
43 struct lwp;
44 
45 /*
46  * Machine-dependent part of the lwp structure for MIPS
47  */
48 struct trapframe;
49 
50 struct 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 	int	md_upte[2];		/* ptes for mapping u page */
56 };
57 
58 struct mdproc {
59 					/* syscall entry for this process */
60 	void	(*md_syscall)(struct lwp *, u_int, u_int, vaddr_t);
61 	int	md_abi;			/* which ABI is this process using? */
62 };
63 
64 /* md_flags */
65 
66 #ifdef _KERNEL
67 struct lwp;
68 
69 /* kernel single-step emulation */
70 int	mips_singlestep(struct lwp *);
71 
72 #define	LWP0_CPU_INFO	&cpu_info_store	/* staticly set in lwp0 */
73 #endif /* _KERNEL */
74 
75 #endif /* _MIPS_PROC_H_ */
76