1 /* 2 * Copyright (c) 1991 Regents of the University of California. 3 * 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 * %sccs.include.redist.c% 9 * 10 * @(#)pmap.h 7.8 (Berkeley) 09/12/91 11 * 12 * 13 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 14 * All rights reserved. 15 * 16 * Author: Avadis Tevanian, Jr. 17 * 18 * Permission to use, copy, modify and distribute this software and 19 * its documentation is hereby granted, provided that both the copyright 20 * notice and this permission notice appear in all copies of the 21 * software, derivative works or modified versions, and any portions 22 * thereof, and that both notices appear in supporting documentation. 23 * 24 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 25 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 26 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 27 * 28 * Carnegie Mellon requests users of this software to return to 29 * 30 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 31 * School of Computer Science 32 * Carnegie Mellon University 33 * Pittsburgh PA 15213-3890 34 * 35 * any improvements or extensions that they make and grant Carnegie the 36 * rights to redistribute these changes. 37 */ 38 39 /* 40 * Machine address mapping definitions -- machine-independent 41 * section. [For machine-dependent section, see "machine/pmap.h".] 42 */ 43 44 #ifndef _PMAP_VM_ 45 #define _PMAP_VM_ 46 47 /* 48 * Each machine dependent implementation is expected to 49 * keep certain statistics. They may do this anyway they 50 * so choose, but are expected to return the statistics 51 * in the following structure. 52 */ 53 struct pmap_statistics { 54 long resident_count; /* # of pages mapped (total)*/ 55 long wired_count; /* # of pages wired */ 56 }; 57 typedef struct pmap_statistics *pmap_statistics_t; 58 59 #include <machine/pmap.h> 60 61 #ifdef KERNEL 62 void pmap_bootstrap( /* machine dependent */ ); 63 void * pmap_bootstrap_alloc __P((int)); 64 void pmap_init __P((vm_offset_t, vm_offset_t)); 65 vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int)); 66 pmap_t pmap_create __P((vm_size_t)); 67 void pmap_pinit __P((pmap_t)); 68 void pmap_destroy __P((pmap_t)); 69 void pmap_release __P((pmap_t)); 70 void pmap_reference __P((pmap_t)); 71 void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t)); 72 void pmap_page_protect __P((vm_offset_t, vm_prot_t)); 73 void pmap_protect __P((pmap_t, vm_offset_t, vm_offset_t, vm_prot_t)); 74 void pmap_enter __P((pmap_t, vm_offset_t, vm_offset_t, vm_prot_t, boolean_t)); 75 void pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t)); 76 vm_offset_t pmap_extract __P((pmap_t, vm_offset_t)); 77 void pmap_copy __P((pmap_t, pmap_t, vm_offset_t, vm_size_t, 78 vm_offset_t)); 79 void pmap_update __P((void)); 80 void pmap_collect __P((pmap_t)); 81 void pmap_zero_page __P((vm_offset_t)); 82 void pmap_copy_page __P((vm_offset_t, vm_offset_t)); 83 void pmap_pageable __P((pmap_t, vm_offset_t, vm_offset_t, 84 boolean_t)); 85 void pmap_clear_reference __P((vm_offset_t pa)); 86 void pmap_clear_modify __P((vm_offset_t pa)); 87 boolean_t pmap_is_referenced __P((vm_offset_t pa)); 88 boolean_t pmap_is_modified __P((vm_offset_t pa)); 89 vm_offset_t pmap_phys_address __P((int)); 90 #ifndef pmap_kernel 91 pmap_t pmap_kernel(); 92 #endif 93 94 extern pmap_t kernel_pmap; 95 #endif 96 97 #endif _PMAP_VM_ 98