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Annotation of sys/arch/alpha/mcbus/mcmem.c, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: mcmem.c,v 1.1 2007/03/16 21:22:27 robert Exp $ */
                      2: /* $NetBSD: mcmem.c,v 1.4 2002/10/02 04:06:38 thorpej Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 2007 Robert Nagy <robert@openbsd.org>
                      6:  * Copyright (c) 1998 by Matthew Jacob
                      7:  * NASA AMES Research Center.
                      8:  * All rights reserved.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice immediately at the beginning of the file, without modification,
                     15:  *    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. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
                     26:  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34:
                     35: /*
                     36:  * 'dummy' (for now) node for the memory modules attached to
                     37:  * the MCBUS main system bus found on AlphaServer 4100 systems.
                     38:  */
                     39:
                     40: #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
                     41: #include <sys/param.h>
                     42: #include <sys/systm.h>
                     43: #include <sys/device.h>
                     44: #include <sys/malloc.h>
                     45:
                     46: #include <machine/autoconf.h>
                     47: #include <machine/rpb.h>
                     48: #include <machine/pte.h>
                     49:
                     50: #include <alpha/mcbus/mcbusreg.h>
                     51: #include <alpha/mcbus/mcbusvar.h>
                     52:
                     53: int    mcmemmatch (struct device *, void *, void *);
                     54: void   mcmemattach (struct device *, struct device *, void *);
                     55:
                     56: struct cfattach mcmem_ca = {
                     57:         sizeof(struct device), mcmemmatch, mcmemattach
                     58: };
                     59:
                     60: struct cfdriver mcmem_cd = {
                     61:         NULL, "mcmem", DV_DULL,
                     62: };
                     63:
                     64: int
                     65: mcmemmatch(parent, cf, aux)
                     66:        struct device *parent;
                     67:        void *cf;
                     68:        void *aux;
                     69: {
                     70:        struct mcbus_dev_attach_args *ta = aux;
                     71:
                     72:        if (ta->ma_type == MCBUS_TYPE_MEM)
                     73:                return (1);
                     74:
                     75:        return (0);
                     76: }
                     77:
                     78: void
                     79: mcmemattach(parent, self, aux)
                     80:        struct device *parent;
                     81:        struct device *self;
                     82:        void *aux;
                     83: {
                     84:        printf("\n");
                     85: }