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pmap.h (97444) pmap.h (97446)
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 *

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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
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 *

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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 97444 2002-05-29 05:24:16Z jake $
40 * $FreeBSD: head/sys/sparc64/include/pmap.h 97446 2002-05-29 05:56:05Z jake $
41 */
42
43#ifndef _MACHINE_PMAP_H_
44#define _MACHINE_PMAP_H_
45
46#include <machine/tte.h>
47
48#define DCACHE_COLOR_BITS (1)
49#define DCACHE_COLORS (1 << DCACHE_COLOR_BITS)
50#define DCACHE_COLOR_MASK (DCACHE_COLORS - 1)
51#define DCACHE_COLOR(va) (((va) >> PAGE_SHIFT) & DCACHE_COLOR_MASK)
52
53#define PMAP_CONTEXT_MAX 8192
54
55#define pmap_resident_count(pm) (pm->pm_stats.resident_count)
56
41 */
42
43#ifndef _MACHINE_PMAP_H_
44#define _MACHINE_PMAP_H_
45
46#include <machine/tte.h>
47
48#define DCACHE_COLOR_BITS (1)
49#define DCACHE_COLORS (1 << DCACHE_COLOR_BITS)
50#define DCACHE_COLOR_MASK (DCACHE_COLORS - 1)
51#define DCACHE_COLOR(va) (((va) >> PAGE_SHIFT) & DCACHE_COLOR_MASK)
52
53#define PMAP_CONTEXT_MAX 8192
54
55#define pmap_resident_count(pm) (pm->pm_stats.resident_count)
56
57struct pv_entry;
58
59typedef struct pmap *pmap_t;
57typedef struct pmap *pmap_t;
60typedef struct pv_entry *pv_entry_t;
61
62struct md_page {
58
59struct md_page {
63 TAILQ_HEAD(, pv_entry) pv_list;
64 int pv_list_count;
60 STAILQ_HEAD(, tte) tte_list;
65 int colors[DCACHE_COLORS];
66};
67
68struct pmap {
69 struct tte *pm_tsb;
70 vm_object_t pm_tsb_obj;
71 u_int pm_active;
72 u_int pm_context[MAXCPU];
73 struct pmap_statistics pm_stats;
74};
75
61 int colors[DCACHE_COLORS];
62};
63
64struct pmap {
65 struct tte *pm_tsb;
66 vm_object_t pm_tsb_obj;
67 u_int pm_active;
68 u_int pm_context[MAXCPU];
69 struct pmap_statistics pm_stats;
70};
71
76struct pv_entry {
77 TAILQ_ENTRY(pv_entry) pv_list;
78 TAILQ_ENTRY(pv_entry) pv_plist;
79 pmap_t pv_pmap;
80 vm_offset_t pv_va;
81 vm_page_t pv_m;
82};
83
84void pmap_bootstrap(vm_offset_t ekva);
85void pmap_context_rollover(void);
86vm_offset_t pmap_kextract(vm_offset_t va);
87void pmap_kenter_flags(vm_offset_t va, vm_offset_t pa, u_long flags);
88void pmap_qenter_flags(vm_offset_t va, vm_page_t *m, int count, u_long fl);
89
90int pmap_cache_enter(vm_page_t m, vm_offset_t va);
91void pmap_cache_remove(vm_page_t m, vm_offset_t va);

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72void pmap_bootstrap(vm_offset_t ekva);
73void pmap_context_rollover(void);
74vm_offset_t pmap_kextract(vm_offset_t va);
75void pmap_kenter_flags(vm_offset_t va, vm_offset_t pa, u_long flags);
76void pmap_qenter_flags(vm_offset_t va, vm_page_t *m, int count, u_long fl);
77
78int pmap_cache_enter(vm_page_t m, vm_offset_t va);
79void pmap_cache_remove(vm_page_t m, vm_offset_t va);

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