1 /* $NetBSD: mainbus.c,v 1.19 2022/02/11 17:30:48 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2001 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 1.19 2022/02/11 17:30:48 riastradh Exp $");
31
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/systm.h>
35
36 #include <machine/autoconf.h>
37
38 static int mainbus_match(device_t, cfdata_t, void *);
39 static void mainbus_attach(device_t, device_t, void *);
40 static int mainbus_search(device_t, cfdata_t,
41 const int *, void *);
42 static int mainbus_print(void *, const char *);
43
44 CFATTACH_DECL_NEW(mainbus, 0,
45 mainbus_match, mainbus_attach, NULL, NULL);
46
47 static int
mainbus_match(device_t parent,cfdata_t cf,void * aux)48 mainbus_match(device_t parent, cfdata_t cf, void *aux)
49 {
50
51 return (1);
52 }
53
54 static void
mainbus_attach(device_t parent,device_t self,void * aux)55 mainbus_attach(device_t parent, device_t self, void *aux)
56 {
57
58 printf("\n");
59
60 /* attach CPU first */
61 config_found(self, &(struct mainbus_attach_args){.ma_name = "cpu"},
62 mainbus_print, CFARGS_NONE);
63
64 config_search(self, NULL,
65 CFARGS(.search = mainbus_search));
66 }
67
68 static int
mainbus_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)69 mainbus_search(device_t parent, cfdata_t cf,
70 const int *ldesc, void *aux)
71 {
72 struct mainbus_attach_args ma;
73
74 ma.ma_name = cf->cf_name;
75 if (config_probe(parent, cf, &ma))
76 config_attach(parent, cf, &ma, mainbus_print, CFARGS_NONE);
77
78 return (0);
79 }
80
81 static int
mainbus_print(void * aux,const char * pnp)82 mainbus_print(void *aux, const char *pnp)
83 {
84
85 return (pnp ? QUIET : UNCONF);
86 }
87