uvm_map.h revision 1.10
1 /* $NetBSD: uvm_map.h,v 1.10 1998/10/11 23:14:48 chuck Exp $ */ 2 3 /* 4 * XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE! 5 * >>>USE AT YOUR OWN RISK, WORK IS NOT FINISHED<<< 6 */ 7 /* 8 * Copyright (c) 1997 Charles D. Cranor and Washington University. 9 * Copyright (c) 1991, 1993, The Regents of the University of California. 10 * 11 * All rights reserved. 12 * 13 * This code is derived from software contributed to Berkeley by 14 * The Mach Operating System project at Carnegie-Mellon University. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by Charles D. Cranor, 27 * Washington University, the University of California, Berkeley and 28 * its contributors. 29 * 4. Neither the name of the University nor the names of its contributors 30 * may be used to endorse or promote products derived from this software 31 * without specific prior written permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 34 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 35 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 36 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 37 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 38 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 39 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 41 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 42 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 43 * SUCH DAMAGE. 44 * 45 * @(#)vm_map.h 8.3 (Berkeley) 3/15/94 46 * from: Id: uvm_map.h,v 1.1.2.3 1998/02/07 01:16:55 chs Exp 47 * 48 * 49 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 50 * All rights reserved. 51 * 52 * Permission to use, copy, modify and distribute this software and 53 * its documentation is hereby granted, provided that both the copyright 54 * notice and this permission notice appear in all copies of the 55 * software, derivative works or modified versions, and any portions 56 * thereof, and that both notices appear in supporting documentation. 57 * 58 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 59 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 60 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 61 * 62 * Carnegie Mellon requests users of this software to return to 63 * 64 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 65 * School of Computer Science 66 * Carnegie Mellon University 67 * Pittsburgh PA 15213-3890 68 * 69 * any improvements or extensions that they make and grant Carnegie the 70 * rights to redistribute these changes. 71 */ 72 73 #ifndef _UVM_UVM_MAP_H_ 74 #define _UVM_UVM_MAP_H_ 75 76 /* 77 * uvm_map.h 78 */ 79 80 /* 81 * macros 82 */ 83 84 /* 85 * UVM_MAP_CLIP_START: ensure that the entry begins at or after 86 * the starting address, if it doesn't we split the entry. 87 * 88 * => map must be locked by caller 89 */ 90 91 #define UVM_MAP_CLIP_START(MAP,ENTRY,VA) { \ 92 if ((VA) > (ENTRY)->start) uvm_map_clip_start(MAP,ENTRY,VA); } 93 94 /* 95 * UVM_MAP_CLIP_END: ensure that the entry ends at or before 96 * the ending address, if it does't we split the entry. 97 * 98 * => map must be locked by caller 99 */ 100 101 #define UVM_MAP_CLIP_END(MAP,ENTRY,VA) { \ 102 if ((VA) < (ENTRY)->end) uvm_map_clip_end(MAP,ENTRY,VA); } 103 104 /* 105 * extract flags 106 */ 107 #define UVM_EXTRACT_REMOVE 0x1 /* remove mapping from old map */ 108 #define UVM_EXTRACT_CONTIG 0x2 /* try to keep it contig */ 109 #define UVM_EXTRACT_QREF 0x4 /* use quick refs */ 110 #define UVM_EXTRACT_FIXPROT 0x8 /* set prot to maxprot as we go */ 111 112 113 /* 114 * handle inline options 115 */ 116 117 #ifdef UVM_MAP_INLINE 118 #define MAP_INLINE static __inline 119 #else 120 #define MAP_INLINE /* nothing */ 121 #endif /* UVM_MAP_INLINE */ 122 123 /* 124 * protos: the following prototypes define the interface to vm_map 125 */ 126 127 MAP_INLINE 128 void uvm_map_deallocate __P((vm_map_t)); 129 130 int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int)); 131 void uvm_map_clip_start __P((vm_map_t, 132 vm_map_entry_t, vaddr_t)); 133 void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t, 134 vaddr_t)); 135 MAP_INLINE 136 vm_map_t uvm_map_create __P((pmap_t, vaddr_t, 137 vaddr_t, boolean_t)); 138 int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t, 139 vm_map_t, vaddr_t *, int)); 140 vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t, 141 vaddr_t *, struct uvm_object *, vaddr_t, 142 boolean_t)); 143 int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t, 144 vm_inherit_t)); 145 void uvm_map_init __P((void)); 146 boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t, 147 vm_map_entry_t *)); 148 MAP_INLINE 149 void uvm_map_reference __P((vm_map_t)); 150 int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t, 151 vm_map_entry_t, int)); 152 int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t, 153 vaddr_t *)); 154 void uvm_map_setup __P((vm_map_t, vaddr_t, 155 vaddr_t, boolean_t)); 156 int uvm_map_submap __P((vm_map_t, vaddr_t, 157 vaddr_t, vm_map_t)); 158 MAP_INLINE 159 int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t)); 160 void uvm_unmap_detach __P((vm_map_entry_t,int)); 161 int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t, 162 vm_map_entry_t *)); 163 164 struct vmspace *uvmspace_fork __P((struct vmspace *)); 165 166 #endif /* _UVM_UVM_MAP_H_ */ 167
Indexes created Wed Sep 24 05:09:52 GMT 2025