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