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Diffstat (limited to 'sys/vm/pmap.h')
-rw-r--r-- | sys/vm/pmap.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sys/vm/pmap.h b/sys/vm/pmap.h new file mode 100644 index 0000000..63a83c9 --- /dev/null +++ b/sys/vm/pmap.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * The Mach Operating System project at Carnegie-Mellon University. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pmap.h 8.1 (Berkeley) 6/11/93 + * + * + * Copyright (c) 1987, 1990 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Avadis Tevanian, Jr. + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +/* + * Machine address mapping definitions -- machine-independent + * section. [For machine-dependent section, see "machine/pmap.h".] + */ + +#ifndef _PMAP_VM_ +#define _PMAP_VM_ + +/* + * Each machine dependent implementation is expected to + * keep certain statistics. They may do this anyway they + * so choose, but are expected to return the statistics + * in the following structure. + */ +struct pmap_statistics { + long resident_count; /* # of pages mapped (total)*/ + long wired_count; /* # of pages wired */ +}; +typedef struct pmap_statistics *pmap_statistics_t; + +#include <machine/pmap.h> + +#ifdef KERNEL +__BEGIN_DECLS +void *pmap_bootstrap_alloc __P((int)); +void pmap_bootstrap( /* machine dependent */ ); +void pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t)); +void pmap_clear_modify __P((vm_offset_t pa)); +void pmap_clear_reference __P((vm_offset_t pa)); +void pmap_collect __P((pmap_t)); +void pmap_copy __P((pmap_t, + pmap_t, vm_offset_t, vm_size_t, vm_offset_t)); +void pmap_copy_page __P((vm_offset_t, vm_offset_t)); +pmap_t pmap_create __P((vm_size_t)); +void pmap_destroy __P((pmap_t)); +void pmap_enter __P((pmap_t, + vm_offset_t, vm_offset_t, vm_prot_t, boolean_t)); +vm_offset_t pmap_extract __P((pmap_t, vm_offset_t)); +void pmap_init __P((vm_offset_t, vm_offset_t)); +boolean_t pmap_is_modified __P((vm_offset_t pa)); +boolean_t pmap_is_referenced __P((vm_offset_t pa)); +vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int)); +void pmap_page_protect __P((vm_offset_t, vm_prot_t)); +void pmap_pageable __P((pmap_t, + vm_offset_t, vm_offset_t, boolean_t)); +vm_offset_t pmap_phys_address __P((int)); +void pmap_pinit __P((pmap_t)); +void pmap_protect __P((pmap_t, + vm_offset_t, vm_offset_t, vm_prot_t)); +void pmap_reference __P((pmap_t)); +void pmap_release __P((pmap_t)); +void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t)); +void pmap_update __P((void)); +void pmap_zero_page __P((vm_offset_t)); +__END_DECLS +#endif + +#endif /* _PMAP_VM_ */ |