pmap.h revision 80709 
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/include/pmap.h 80709 2001-07-31 06:05:05Z jake $
27 */
28
29#ifndef	_MACHINE_PMAP_H_
30#define	_MACHINE_PMAP_H_
31
32#include <sys/kobj.h>
33#include <machine/tte.h>
34
35#define	PMAP_CONTEXT_MAX	8192
36
37#define	pmap_resident_count(pm)	(pm->pm_stats.resident_count)
38
39typedef	struct pmap *pmap_t;
40
41struct	md_page {
42};
43
44struct	pmap {
45	struct	stte pm_stte;
46	u_int	pm_active;
47	u_int	pm_context;
48	u_int	pm_count;
49	struct	pmap_statistics pm_stats;
50};
51
52void	pmap_bootstrap(vm_offset_t skpa, vm_offset_t ekva);
53vm_offset_t pmap_kextract(vm_offset_t va);
54
55extern	vm_offset_t avail_start;
56extern	vm_offset_t avail_end;
57extern	vm_offset_t clean_eva;
58extern	vm_offset_t clean_sva;
59extern	struct pmap *kernel_pmap;
60extern	vm_offset_t phys_avail[];
61extern	vm_offset_t virtual_avail;
62extern	vm_offset_t virtual_end;
63
64#endif /* !_MACHINE_PMAP_H_ */
65