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      1 /*	$NetBSD: kvm_m68k.h,v 1.6 2010/09/20 23:23:16 jym Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Gordon W. Ross and Jason R. Thorpe.
      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, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 struct kvm_ops {
     33 	int   (*initvtop)(kvm_t *);
     34 	void  (*freevtop)(kvm_t *);
     35 	int   (*kvatop)  (kvm_t *, vaddr_t, paddr_t *);
     36 	off_t (*pa2off)  (kvm_t *, paddr_t);
     37 };
     38 
     39 struct vmstate {
     40 	struct kvm_ops *ops;	/* ops vector */
     41 	u_int32_t pgshift;	/* log2(page_size) */
     42 	u_int32_t pgofset;	/* mask to find offset into page */
     43 	void *private;		/* private to the bottom layer */
     44 };
     45 
     46 extern struct kvm_ops _kvm_ops_cmn;
     47 extern struct kvm_ops _kvm_ops_sun2;
     48 extern struct kvm_ops _kvm_ops_sun3;
     49 extern struct kvm_ops _kvm_ops_sun3x;
     50