[unix-history] / usr / src / sys / vm / pmap.h

/* 
 * Copyright (c) 1991 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.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)pmap.h	7.10 (Berkeley) %G%
 *
 *
 * 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_ */
Commit	Line	Data
175f072e	1	/*
175f072e KM	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	*
0e24ad83	8	* %sccs.include.redist.c%
175f072e	9	*
4d754146	10	* @(#)pmap.h 7.10 (Berkeley) %G%
0e24ad83 KM	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.
175f072e KM	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
88682c28 KM	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
175f072e	59	#include <machine/pmap.h>
175f072e KM	60
175f072e KM	61	#ifdef KERNEL
4d754146 KB	62	__BEGIN_DECLS
	63	void *pmap_bootstrap_alloc __P((int));
	64	void pmap_bootstrap( /* machine dependent */ );
	65	void pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t));
	66	void pmap_clear_modify __P((vm_offset_t pa));
	67	void pmap_clear_reference __P((vm_offset_t pa));
	68	void pmap_collect __P((pmap_t));
	69	void pmap_copy __P((pmap_t,
	70	pmap_t, vm_offset_t, vm_size_t, vm_offset_t));
	71	void pmap_copy_page __P((vm_offset_t, vm_offset_t));
	72	pmap_t pmap_create __P((vm_size_t));
	73	void pmap_destroy __P((pmap_t));
	74	void pmap_enter __P((pmap_t,
	75	vm_offset_t, vm_offset_t, vm_prot_t, boolean_t));
	76	vm_offset_t pmap_extract __P((pmap_t, vm_offset_t));
	77	void pmap_init __P((vm_offset_t, vm_offset_t));
	78	boolean_t pmap_is_modified __P((vm_offset_t pa));
	79	boolean_t pmap_is_referenced __P((vm_offset_t pa));
	80	vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int));
	81	void pmap_page_protect __P((vm_offset_t, vm_prot_t));
	82	void pmap_pageable __P((pmap_t,
	83	vm_offset_t, vm_offset_t, boolean_t));
	84	vm_offset_t pmap_phys_address __P((int));
	85	void pmap_pinit __P((pmap_t));
	86	void pmap_protect __P((pmap_t,
	87	vm_offset_t, vm_offset_t, vm_prot_t));
	88	void pmap_reference __P((pmap_t));
	89	void pmap_release __P((pmap_t));
	90	void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t));
	91	void pmap_update __P((void));
	92	void pmap_zero_page __P((vm_offset_t));
	93	__END_DECLS
175f072e KM	94	#endif
175f072e KM	95
a69d0e7c	96	#endif /* _PMAP_VM_ */