sysconf.h revision 1.3 
1/*	$NetBSD: sysconf.h,v 1.3 1999/04/24 08:01:10 simonb Exp $	*/
2
3/*
4 * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *      This product includes software developed by Christopher G. Demetriou
17 *	for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32/*
33 * Additional reworking by Matthew Jacob for NASA/Ames Research Center.
34 * Copyright (c) 1997
35 */
36
37/*
38 * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
39 * Additional reworking for pmaxes.
40 * Since pmax mboard support different CPU daughterboards,
41 * and others are mmultiprocessors, rename from cpu_* to sys_*.
42 */
43
44#ifndef	_PMAX_SYSCONF_H_
45#define	_PMAX_SYSCONF_H_
46
47
48#ifdef _KERNEL
49/*
50 * Platform Specific Information and Function Hooks.
51 *
52 * The tags family and model information are strings describing the platform.
53 *
54 * The tag iobus describes the primary iobus for the platform- primarily
55 * to give a hint as to where to start configuring. The likely choices
56 * are one of tcasic, lca, apecs, cia, or tlsb.
57 *
58 */
59
60extern struct platform {
61	/*
62	 * Platform Information.
63	 */
64	const char	*iobus;		/* Primary iobus name */
65
66	/*
67	 * Platform Specific Function Hooks
68	 *	cons_init 	-	console initialization
69	 *	device_register	-	boot configuration aid
70	 *	iointr		-	I/O interrupt handler
71	 *	clockintr	-	Clock Interrupt Handler
72	 *	mcheck_handler	-	Platform Specific Machine Check Handler
73	 */
74	void	(*os_init) __P((void));
75	void	(*bus_reset) __P((void));
76	void	(*cons_init) __P((void));
77	void	(*device_register) __P((struct device *, void *));
78	void	(*iointr) __P((void *, unsigned long));
79	void	(*clockintr) __P((void *));
80#ifdef notyet
81	void	(*mcheck_handler) __P((unsigned long, struct trapframe *,
82		unsigned long, unsigned long));
83#endif
84} platform;
85
86extern struct platform unimpl_platform;
87
88/*
89 * There is an array of functions to initialize the platform structure.
90 *
91 * It's responsible for filling in the family, model_name and iobus
92 * tags. It may optionally fill in the cons_init, device_register and
93 * mcheck_handler tags.
94 *
95 * The iointr tag is filled in by set_iointr (in interrupt.c).
96 * The clockintr tag is filled in by sys_initclocks (in clock.c).
97 *
98 * nocpu is function to call when you can't figure what platform you're on.
99 * There's no return from this function.
100 */
101
102struct sysinit {
103	void	(*init) __P((void));
104	const char *option;
105};
106
107#define	sys_notsupp(st)		{ platform_not_supported, st }
108#define	sys_init(fn, opt)	{ fn, opt }
109
110extern struct sysinit sysinit[];
111extern int nsysinit;
112extern void platform_not_configured __P((void));
113extern void platform_not_supported __P((void));
114
115#endif /* _KERNEL */
116#endif /* !_PMAX_SYSCONF_H_ */
117