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 Systems Programming Group of the University of Utah Computer
7 * Science Department and William Jolitz of UUNET Technologies Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90
38 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91
39 * from: FreeBSD: src/sys/i386/include/pmap.h,v 1.70 2000/11/30
40 * $FreeBSD: head/sys/sparc64/include/pmap.h 113238 2003-04-08 06:35:09Z jake $
41 */
42
43#ifndef _MACHINE_PMAP_H_
44#define _MACHINE_PMAP_H_
45
46#include <sys/queue.h>
47#include <machine/cache.h>
48#include <machine/tte.h>
49
50#define PMAP_CONTEXT_MAX 8192
51
52#define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.tte_list))
53#define pmap_resident_count(pm) (pm->pm_stats.resident_count)
54
55typedef struct pmap *pmap_t;
56
57struct md_page {
58 TAILQ_HEAD(, tte) tte_list;
59 struct pmap *pmap;
60 uint32_t colors[DCACHE_COLORS];
61 int32_t color;
62 uint32_t flags;
63};
64
65struct pmap {
66 struct tte *pm_tsb;
67 vm_object_t pm_tsb_obj;
68 u_int pm_active;
69 u_int pm_context[MAXCPU];
70 struct pmap_statistics pm_stats;
71};
72
73void pmap_bootstrap(vm_offset_t ekva);
74void pmap_context_rollover(void);
75vm_paddr_t pmap_kextract(vm_offset_t va);
76void pmap_kenter(vm_offset_t va, vm_page_t m);
77void pmap_kremove(vm_offset_t);
78void pmap_kenter_flags(vm_offset_t va, vm_paddr_t pa, u_long flags);
79void pmap_kremove_flags(vm_offset_t va);
80
81int pmap_cache_enter(vm_page_t m, vm_offset_t va);
82void pmap_cache_remove(vm_page_t m, vm_offset_t va);
83
84int pmap_remove_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp,
85 vm_offset_t va);
86int pmap_protect_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp,
87 vm_offset_t va);
88
89void pmap_map_tsb(void);
90
91void pmap_clear_write(vm_page_t m);
92
93#define vtophys(va) pmap_kextract(((vm_offset_t)(va)))
94
95extern vm_paddr_t avail_start;
96extern vm_paddr_t avail_end;
97extern struct pmap kernel_pmap_store;
98#define kernel_pmap (&kernel_pmap_store)
99extern vm_paddr_t phys_avail[];
100extern vm_offset_t virtual_avail;
101extern vm_offset_t virtual_end;
102
103extern vm_paddr_t msgbuf_phys;
104
105static __inline int
106pmap_track_modified(pmap_t pm, vm_offset_t va)
107{
108 if (pm == kernel_pmap)
109 return ((va < kmi.clean_sva) || (va >= kmi.clean_eva));
110 else
111 return (1);
112}
113
114#ifdef PMAP_STATS
115
116SYSCTL_DECL(_debug_pmap_stats);
117
118#define PMAP_STATS_VAR(name) \
119 static long name; \
120 SYSCTL_LONG(_debug_pmap_stats, OID_AUTO, name, CTLFLAG_RW, \
121 &name, 0, "")
122
123#define PMAP_STATS_INC(var) \
124 atomic_add_long(&var, 1)
125
126#else
127
128#define PMAP_STATS_VAR(name)
129#define PMAP_STATS_INC(var)
130
131#endif
132
133#endif /* !_MACHINE_PMAP_H_ */
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 Systems Programming Group of the University of Utah Computer
7 * Science Department and William Jolitz of UUNET Technologies Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90
38 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91
39 * from: FreeBSD: src/sys/i386/include/pmap.h,v 1.70 2000/11/30
40 * $FreeBSD: head/sys/sparc64/include/pmap.h 113238 2003-04-08 06:35:09Z jake $
41 */
42
43#ifndef _MACHINE_PMAP_H_
44#define _MACHINE_PMAP_H_
45
46#include <sys/queue.h>
47#include <machine/cache.h>
48#include <machine/tte.h>
49
50#define PMAP_CONTEXT_MAX 8192
51
52#define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.tte_list))
53#define pmap_resident_count(pm) (pm->pm_stats.resident_count)
54
55typedef struct pmap *pmap_t;
56
57struct md_page {
58 TAILQ_HEAD(, tte) tte_list;
59 struct pmap *pmap;
60 uint32_t colors[DCACHE_COLORS];
61 int32_t color;
62 uint32_t flags;
63};
64
65struct pmap {
66 struct tte *pm_tsb;
67 vm_object_t pm_tsb_obj;
68 u_int pm_active;
69 u_int pm_context[MAXCPU];
70 struct pmap_statistics pm_stats;
71};
72
73void pmap_bootstrap(vm_offset_t ekva);
74void pmap_context_rollover(void);
75vm_paddr_t pmap_kextract(vm_offset_t va);
76void pmap_kenter(vm_offset_t va, vm_page_t m);
77void pmap_kremove(vm_offset_t);
78void pmap_kenter_flags(vm_offset_t va, vm_paddr_t pa, u_long flags);
79void pmap_kremove_flags(vm_offset_t va);
80
81int pmap_cache_enter(vm_page_t m, vm_offset_t va);
82void pmap_cache_remove(vm_page_t m, vm_offset_t va);
83
84int pmap_remove_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp,
85 vm_offset_t va);
86int pmap_protect_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp,
87 vm_offset_t va);
88
89void pmap_map_tsb(void);
90
91void pmap_clear_write(vm_page_t m);
92
93#define vtophys(va) pmap_kextract(((vm_offset_t)(va)))
94
95extern vm_paddr_t avail_start;
96extern vm_paddr_t avail_end;
97extern struct pmap kernel_pmap_store;
98#define kernel_pmap (&kernel_pmap_store)
99extern vm_paddr_t phys_avail[];
100extern vm_offset_t virtual_avail;
101extern vm_offset_t virtual_end;
102
103extern vm_paddr_t msgbuf_phys;
104
105static __inline int
106pmap_track_modified(pmap_t pm, vm_offset_t va)
107{
108 if (pm == kernel_pmap)
109 return ((va < kmi.clean_sva) || (va >= kmi.clean_eva));
110 else
111 return (1);
112}
113
114#ifdef PMAP_STATS
115
116SYSCTL_DECL(_debug_pmap_stats);
117
118#define PMAP_STATS_VAR(name) \
119 static long name; \
120 SYSCTL_LONG(_debug_pmap_stats, OID_AUTO, name, CTLFLAG_RW, \
121 &name, 0, "")
122
123#define PMAP_STATS_INC(var) \
124 atomic_add_long(&var, 1)
125
126#else
127
128#define PMAP_STATS_VAR(name)
129#define PMAP_STATS_INC(var)
130
131#endif
132
133#endif /* !_MACHINE_PMAP_H_ */