1/*	$NetBSD: proc.h,v 1.18 2019/01/08 20:08:28 jdolecek Exp $	*/
2
3/*
4 * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
5 * Copyright (c) 1991 Regents of the University of California.
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. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)proc.h	7.1 (Berkeley) 5/15/91
33 */
34
35#ifndef _SH3_PROC_H_
36#define	_SH3_PROC_H_
37
38/*
39 * Machine-dependent part of the proc structure for sh3.
40 */
41
42/* Kernel stack PTE */
43struct md_upte {
44	uint32_t addr;
45	uint32_t data;
46};
47
48struct mdlwp {
49	struct trapframe *md_regs;	/* user context */
50	struct pcb *md_pcb;		/* pcb access address */
51	int md_flags;			/* machine-dependent flags */
52	volatile int md_astpending;	/* AST pending on return to userland */
53	/* u-area PTE: *2 .. SH4 data/address data array access */
54	struct md_upte md_upte[UPAGES * 2];
55};
56
57/* md_flags */
58#define	MDL_USEDFPU	0x0001	/* has used the FPU */
59#define	MDL_SSTEP	0x0002	/* single-stepped with PT_STEP */
60
61struct lwp;
62
63struct mdproc {
64	void (*md_syscall)(struct lwp *, struct trapframe *);
65};
66
67#ifdef _KERNEL
68#ifndef _LOCORE
69extern void sh_proc0_init(void);
70#endif /* _LOCORE */
71#endif /* _KERNEL */
72#endif /* !_SH3_PROC_H_ */
73