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ibm40x_machdep.c revision 1.2.4.5
      1  1.2.4.5  skrll /*	$NetBSD: ibm40x_machdep.c,v 1.2.4.5 2005/01/24 08:34:26 skrll Exp $	*/
      2  1.2.4.2  skrll 
      3  1.2.4.2  skrll /*
      4  1.2.4.2  skrll  * Copyright 2001, 2002 Wasabi Systems, Inc.
      5  1.2.4.2  skrll  * All rights reserved.
      6  1.2.4.2  skrll  *
      7  1.2.4.2  skrll  * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc.
      8  1.2.4.2  skrll  *
      9  1.2.4.2  skrll  * Redistribution and use in source and binary forms, with or without
     10  1.2.4.2  skrll  * modification, are permitted provided that the following conditions
     11  1.2.4.2  skrll  * are met:
     12  1.2.4.2  skrll  * 1. Redistributions of source code must retain the above copyright
     13  1.2.4.2  skrll  *    notice, this list of conditions and the following disclaimer.
     14  1.2.4.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.2.4.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     16  1.2.4.2  skrll  *    documentation and/or other materials provided with the distribution.
     17  1.2.4.2  skrll  * 3. All advertising materials mentioning features or use of this software
     18  1.2.4.2  skrll  *    must display the following acknowledgement:
     19  1.2.4.2  skrll  *      This product includes software developed for the NetBSD Project by
     20  1.2.4.2  skrll  *      Wasabi Systems, Inc.
     21  1.2.4.2  skrll  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  1.2.4.2  skrll  *    or promote products derived from this software without specific prior
     23  1.2.4.2  skrll  *    written permission.
     24  1.2.4.2  skrll  *
     25  1.2.4.2  skrll  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  1.2.4.2  skrll  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  1.2.4.2  skrll  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  1.2.4.2  skrll  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  1.2.4.2  skrll  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  1.2.4.2  skrll  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  1.2.4.2  skrll  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  1.2.4.2  skrll  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  1.2.4.2  skrll  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  1.2.4.2  skrll  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  1.2.4.2  skrll  * POSSIBILITY OF SUCH DAMAGE.
     36  1.2.4.2  skrll  */
     37  1.2.4.2  skrll 
     38  1.2.4.2  skrll /*
     39  1.2.4.2  skrll  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
     40  1.2.4.2  skrll  * Copyright (C) 1995, 1996 TooLs GmbH.
     41  1.2.4.2  skrll  * All rights reserved.
     42  1.2.4.2  skrll  *
     43  1.2.4.2  skrll  * Redistribution and use in source and binary forms, with or without
     44  1.2.4.2  skrll  * modification, are permitted provided that the following conditions
     45  1.2.4.2  skrll  * are met:
     46  1.2.4.2  skrll  * 1. Redistributions of source code must retain the above copyright
     47  1.2.4.2  skrll  *    notice, this list of conditions and the following disclaimer.
     48  1.2.4.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     49  1.2.4.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     50  1.2.4.2  skrll  *    documentation and/or other materials provided with the distribution.
     51  1.2.4.2  skrll  * 3. All advertising materials mentioning features or use of this software
     52  1.2.4.2  skrll  *    must display the following acknowledgement:
     53  1.2.4.2  skrll  *	This product includes software developed by TooLs GmbH.
     54  1.2.4.2  skrll  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     55  1.2.4.2  skrll  *    derived from this software without specific prior written permission.
     56  1.2.4.2  skrll  *
     57  1.2.4.2  skrll  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     58  1.2.4.2  skrll  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     59  1.2.4.2  skrll  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     60  1.2.4.2  skrll  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     61  1.2.4.2  skrll  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     62  1.2.4.2  skrll  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     63  1.2.4.2  skrll  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     64  1.2.4.2  skrll  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     65  1.2.4.2  skrll  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     66  1.2.4.2  skrll  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     67  1.2.4.2  skrll  */
     68  1.2.4.2  skrll 
     69  1.2.4.2  skrll #include <sys/cdefs.h>
     70  1.2.4.5  skrll __KERNEL_RCSID(0, "$NetBSD: ibm40x_machdep.c,v 1.2.4.5 2005/01/24 08:34:26 skrll Exp $");
     71  1.2.4.2  skrll 
     72  1.2.4.2  skrll #include <sys/param.h>
     73  1.2.4.2  skrll #include <sys/exec.h>
     74  1.2.4.2  skrll #include <sys/systm.h>
     75  1.2.4.2  skrll 
     76  1.2.4.2  skrll #include <machine/powerpc.h>
     77  1.2.4.2  skrll 
     78  1.2.4.2  skrll /*
     79  1.2.4.2  skrll  * Global variables used here and there
     80  1.2.4.2  skrll  */
     81  1.2.4.5  skrll #define MEMREGIONS	(8)
     82  1.2.4.2  skrll struct mem_region physmemr[MEMREGIONS];	/* Hard code memory */
     83  1.2.4.2  skrll struct mem_region availmemr[MEMREGIONS];/* Who's supposed to set these up? */
     84  1.2.4.2  skrll 
     85  1.2.4.2  skrll void
     86  1.2.4.5  skrll ibm40x_memsize_init(u_int memsize, u_int startkernel)
     87  1.2.4.2  skrll {
     88  1.2.4.2  skrll 
     89  1.2.4.5  skrll 	/* Initialize cache info for memcpy, etc. */
     90  1.2.4.5  skrll 	cpu_probe_cache();
     91  1.2.4.2  skrll 
     92  1.2.4.2  skrll 	memset(physmemr, 0, sizeof physmemr);
     93  1.2.4.2  skrll 	memset(availmemr, 0, sizeof availmemr);
     94  1.2.4.2  skrll 
     95  1.2.4.5  skrll 	/* Setup physical memory */
     96  1.2.4.5  skrll 	physmemr[0].start = 0;
     97  1.2.4.5  skrll 	physmemr[0].size = memsize & ~PGOFSET;
     98  1.2.4.2  skrll 
     99  1.2.4.5  skrll 	/* Setup availabl memory, lower memory reserved by evb-BIOS */
    100  1.2.4.5  skrll 	availmemr[0].start = startkernel;
    101  1.2.4.5  skrll 	availmemr[0].size = memsize - availmemr[0].start;
    102  1.2.4.2  skrll }
    103  1.2.4.2  skrll 
    104  1.2.4.2  skrll void
    105  1.2.4.2  skrll mem_regions(struct mem_region **mem, struct mem_region **avail)
    106  1.2.4.2  skrll {
    107  1.2.4.2  skrll 	*mem = physmemr;
    108  1.2.4.2  skrll 	*avail = availmemr;
    109  1.2.4.2  skrll }
    110