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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: }