pmap.h revision 12904
1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * The Mach Operating System project at Carnegie-Mellon University. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)pmap.h 8.1 (Berkeley) 6/11/93 37 * 38 * 39 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 40 * All rights reserved. 41 * 42 * Author: Avadis Tevanian, Jr. 43 * 44 * Permission to use, copy, modify and distribute this software and 45 * its documentation is hereby granted, provided that both the copyright 46 * notice and this permission notice appear in all copies of the 47 * software, derivative works or modified versions, and any portions 48 * thereof, and that both notices appear in supporting documentation. 49 * 50 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 51 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 52 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 53 * 54 * Carnegie Mellon requests users of this software to return to 55 * 56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 57 * School of Computer Science 58 * Carnegie Mellon University 59 * Pittsburgh PA 15213-3890 60 * 61 * any improvements or extensions that they make and grant Carnegie the 62 * rights to redistribute these changes. 63 * 64 * $Id: pmap.h,v 1.6 1995/01/09 16:05:32 davidg Exp $ 65 */ 66 67/* 68 * Machine address mapping definitions -- machine-independent 69 * section. [For machine-dependent section, see "machine/pmap.h".] 70 */ 71 72#ifndef _PMAP_VM_ 73#define _PMAP_VM_ 74 75/* 76 * Each machine dependent implementation is expected to 77 * keep certain statistics. They may do this anyway they 78 * so choose, but are expected to return the statistics 79 * in the following structure. 80 */ 81struct pmap_statistics { 82 long resident_count; /* # of pages mapped (total) */ 83 long wired_count; /* # of pages wired */ 84}; 85typedef struct pmap_statistics *pmap_statistics_t; 86 87#include <machine/pmap.h> 88 89#ifdef KERNEL 90__BEGIN_DECLS 91void *pmap_bootstrap_alloc __P((int)); 92 93#if 0 /* XXX */ 94void pmap_bootstrap __P(( /* machine dependent */ )); 95 96#endif 97void pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t)); 98void pmap_clear_modify __P((vm_offset_t pa)); 99void pmap_clear_reference __P((vm_offset_t pa)); 100void pmap_collect __P((pmap_t)); 101void pmap_copy __P((pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t)); 102void pmap_copy_page __P((vm_offset_t, vm_offset_t)); 103pmap_t pmap_create __P((vm_size_t)); 104void pmap_destroy __P((pmap_t)); 105void pmap_enter __P((pmap_t, vm_offset_t, vm_offset_t, vm_prot_t, boolean_t)); 106vm_offset_t pmap_extract __P((pmap_t, vm_offset_t)); 107void pmap_init __P((vm_offset_t, vm_offset_t)); 108boolean_t pmap_is_modified __P((vm_offset_t pa)); 109boolean_t pmap_is_referenced __P((vm_offset_t pa)); 110void pmap_kenter __P((vm_offset_t, vm_offset_t)); 111void pmap_kremove __P((vm_offset_t)); 112vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int)); 113void pmap_object_init_pt __P((pmap_t pmap, vm_offset_t addr, vm_object_t object, 114 vm_pindex_t pindex, vm_offset_t size)); 115void pmap_page_protect __P((vm_offset_t, vm_prot_t)); 116void pmap_pageable __P((pmap_t, vm_offset_t, vm_offset_t, boolean_t)); 117vm_offset_t pmap_phys_address __P((int)); 118void pmap_pinit __P((pmap_t)); 119void pmap_protect __P((pmap_t, vm_offset_t, vm_offset_t, vm_prot_t)); 120void pmap_qenter __P((vm_offset_t, vm_page_t *, int)); 121void pmap_qremove __P((vm_offset_t, int)); 122void pmap_reference __P((pmap_t)); 123void pmap_release __P((pmap_t)); 124void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t)); 125void pmap_zero_page __P((vm_offset_t)); 126 127__END_DECLS 128#endif 129 130#endif /* _PMAP_VM_ */ 131