Annotation of sys/arch/mac68k/mac68k/mainbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mainbus.c,v 1.7 2002/03/14 01:26:36 millert Exp $ */
! 2: /* $NetBSD: mainbus.c,v 1.7 1996/12/17 06:47:41 scottr Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1996 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
! 31: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #include <sys/param.h>
! 41: #include <sys/device.h>
! 42: #include <sys/systm.h>
! 43:
! 44: static int mainbus_match(struct device *, void *, void *);
! 45: static void mainbus_attach(struct device *, struct device *, void *);
! 46: static int mainbus_search(struct device *, void *, void *);
! 47:
! 48: struct cfattach mainbus_ca = {
! 49: sizeof(struct device), mainbus_match, mainbus_attach
! 50: };
! 51:
! 52: struct cfdriver mainbus_cd = {
! 53: NULL, "mainbus", DV_DULL
! 54: };
! 55:
! 56: static int
! 57: mainbus_match(parent, vcf, aux)
! 58: struct device *parent;
! 59: void *vcf;
! 60: void *aux;
! 61: {
! 62: static int mainbus_matched = 0;
! 63:
! 64: /* Allow only one instance. */
! 65: if (mainbus_matched)
! 66: return (0);
! 67:
! 68: mainbus_matched = 1;
! 69: return 1;
! 70: }
! 71:
! 72: static void
! 73: mainbus_attach(parent, self, aux)
! 74: struct device *parent, *self;
! 75: void *aux;
! 76: {
! 77: printf("\n");
! 78:
! 79: /* Search for and attach children. */
! 80: config_search(mainbus_search, self, NULL);
! 81: }
! 82:
! 83: static int
! 84: mainbus_search(parent, vcf, aux)
! 85: struct device *parent;
! 86: void *vcf;
! 87: void *aux;
! 88: {
! 89: struct cfdata *cf = (struct cfdata *) vcf;
! 90:
! 91: if ((*cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
! 92: config_attach(parent, cf, NULL, NULL);
! 93: return 0;
! 94: }
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