mainbus.c revision 1.10 
1/*	$NetBSD: mainbus.c,v 1.10 2021/04/24 23:36:37 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.10 2021/04/24 23:36:37 thorpej Exp $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/device.h>
35
36#include <machine/autoconf.h>
37
38static int mainbus_match(device_t, cfdata_t, void *);
39static void mainbus_attach(device_t, device_t, void *);
40
41CFATTACH_DECL_NEW(mainbus, 0,
42    mainbus_match, mainbus_attach, NULL, NULL);
43
44static int mainbus_search(device_t, cfdata_t, const int *, void *);
45static int mainbus_print(void *, const char *);
46
47static int
48mainbus_match(device_t parent, cfdata_t cf, void *aux)
49{
50
51	return (1);
52}
53
54static void
55mainbus_attach(device_t parent, device_t self, void *aux)
56{
57	struct mainbus_attach_args maa;
58
59	aprint_naive("\n");
60	aprint_normal("\n");
61
62	/* CPU  */
63	memset(&maa, 0, sizeof(maa));
64	maa.ma_name = "cpu";
65	config_found(self, &maa, mainbus_print, CFARG_EOL);
66
67	/* Devices */
68	config_search(self, NULL,
69	    CFARG_SEARCH, mainbus_search,
70	    CFARG_EOL);
71}
72
73static int
74mainbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
75{
76	struct mainbus_attach_args maa;
77
78	if (strcmp(cf->cf_name, "cpu") == 0)
79		return 0;
80
81	maa.ma_name = cf->cf_name;
82
83	if (config_probe(parent, cf, &maa))
84		config_attach(parent, cf, &maa, mainbus_print, CFARG_EOL);
85
86	return 0;
87}
88
89static int
90mainbus_print(void *aux, const char *pnp)
91{
92
93	return (pnp ? QUIET : UNCONF);
94}
95