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tte.h (182767) tte.h (205258)
1/*-
2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

--- 12 unchanged lines hidden (view full) ---

21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp
1/*-
2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

--- 12 unchanged lines hidden (view full) ---

21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp
29 * $FreeBSD: head/sys/sparc64/include/tte.h 182767 2008-09-04 19:43:14Z marius $
29 * $FreeBSD: head/sys/sparc64/include/tte.h 205258 2010-03-17 20:23:14Z marius $
30 */
31
32#ifndef _MACHINE_TTE_H_
33#define _MACHINE_TTE_H_
34
35#define TTE_SHIFT (5)
36
37#define TD_SIZE_SHIFT (61)
38#define TD_SOFT2_SHIFT (50)
30 */
31
32#ifndef _MACHINE_TTE_H_
33#define _MACHINE_TTE_H_
34
35#define TTE_SHIFT (5)
36
37#define TD_SIZE_SHIFT (61)
38#define TD_SOFT2_SHIFT (50)
39#define TD_RSVD2_SHIFT (49)
40#define TD_SIZE2_SHIFT (48)
39#define TD_DIAG_SF_SHIFT (41)
40#define TD_RSVD_CH_SHIFT (43)
41#define TD_DIAG_SF_SHIFT (41)
42#define TD_RSVD_CH_SHIFT (43)
43#define TD_RSVD_OC_SHIFT (47)
44#define TD_RSVD_PT_SHIFT TD_RSVD_CH_SHIFT
45#define TD_RSVD_VE_SHIFT (41)
41#define TD_PA_SHIFT (13)
42#define TD_SOFT_SHIFT (7)
43
44#define TD_SIZE_BITS (2)
45#define TD_SOFT2_BITS (9)
46#define TD_PA_SHIFT (13)
47#define TD_SOFT_SHIFT (7)
48
49#define TD_SIZE_BITS (2)
50#define TD_SOFT2_BITS (9)
46#define TD_DIAG_SF_BITS (9)
47#define TD_RSVD_CH_BITS (7)
48#define TD_PA_CH_BITS (30)
49#define TD_PA_SF_BITS (28)
51#define TD_RSVD2_BITS (1) /* US-IV+, SPARC64 VI, VII, VIIIfx */
52#define TD_SIZE2_BITS (1) /* US-IV+, SPARC64 VI, VII, VIIIfx */
53#define TD_DIAG_SF_BITS (9) /* US-I, II{,e,i} */
54#define TD_RSVD_CH_BITS (7) /* US-III{,i,+}, US-IV, SPARC64 V */
55#define TD_RSVD_OC_BITS (1) /* SPARC64 VI, VII */
56#define TD_RSVD_PT_BITS (5) /* US-IV+, SPARC64 VI, VII */
57#define TD_RSVD_VE_BITS (7) /* SPARC64 VIIIfx */
58#define TD_PA_CH_BITS (30) /* US-III{,i,+}, US-IV{,+}, SPARC64 V */
59#define TD_PA_OC_BITS (34) /* SPARC64 VI, VII */
60#define TD_PA_SF_BITS (28) /* US-I, II{,e,i}, SPARC64 VIIIfx */
50#define TD_PA_BITS TD_PA_CH_BITS
51#define TD_SOFT_BITS (6)
52
53#define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1)
54#define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1)
61#define TD_PA_BITS TD_PA_CH_BITS
62#define TD_SOFT_BITS (6)
63
64#define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1)
65#define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1)
66#define TD_RSVD2_MASK ((1UL << TD_RSVD2_BITS) - 1)
67#define TD_SIZE2_MASK ((1UL << TD_SIZE2_BITS) - 1)
55#define TD_DIAG_SF_MASK ((1UL << TD_DIAG_SF_BITS) - 1)
56#define TD_RSVD_CH_MASK ((1UL << TD_RSVD_CH_BITS) - 1)
68#define TD_DIAG_SF_MASK ((1UL << TD_DIAG_SF_BITS) - 1)
69#define TD_RSVD_CH_MASK ((1UL << TD_RSVD_CH_BITS) - 1)
70#define TD_RSVD_OC_MASK ((1UL << TD_RSVD_OC_BITS) - 1)
71#define TD_RSVD_PT_MASK ((1UL << TD_RSVD_PT_BITS) - 1)
72#define TD_RSVD_VE_MASK ((1UL << TD_RSVD_VE_BITS) - 1)
57#define TD_PA_CH_MASK ((1UL << TD_PA_CH_BITS) - 1)
73#define TD_PA_CH_MASK ((1UL << TD_PA_CH_BITS) - 1)
74#define TD_PA_OC_MASK ((1UL << TD_PA_OC_BITS) - 1)
58#define TD_PA_SF_MASK ((1UL << TD_PA_SF_BITS) - 1)
59#define TD_PA_MASK ((1UL << TD_PA_BITS) - 1)
60#define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1)
61
62#define TS_8K (0UL)
63#define TS_64K (1UL)
64#define TS_512K (2UL)
65#define TS_4M (3UL)
75#define TD_PA_SF_MASK ((1UL << TD_PA_SF_BITS) - 1)
76#define TD_PA_MASK ((1UL << TD_PA_BITS) - 1)
77#define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1)
78
79#define TS_8K (0UL)
80#define TS_64K (1UL)
81#define TS_512K (2UL)
82#define TS_4M (3UL)
83#define TS_32M (4UL) /* US-IV+, SPARC64 VI, VII only */
84#define TS_256M (5UL) /* US-IV+, SPARC64 VI, VII only */
85#define TS_2G (6UL) /* SPARC64 VIIIfx only */
66
67#define TS_MIN TS_8K
68#define TS_MAX TS_4M
69
70#define TD_V (1UL << 63)
71#define TD_8K (TS_8K << TD_SIZE_SHIFT)
72#define TD_64K (TS_64K << TD_SIZE_SHIFT)
73#define TD_512K (TS_512K << TD_SIZE_SHIFT)
74#define TD_4M (TS_4M << TD_SIZE_SHIFT)
86
87#define TS_MIN TS_8K
88#define TS_MAX TS_4M
89
90#define TD_V (1UL << 63)
91#define TD_8K (TS_8K << TD_SIZE_SHIFT)
92#define TD_64K (TS_64K << TD_SIZE_SHIFT)
93#define TD_512K (TS_512K << TD_SIZE_SHIFT)
94#define TD_4M (TS_4M << TD_SIZE_SHIFT)
95#define TD_32M \
96 (((TS_32M & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
97 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
98#define TD_256M \
99 (((TS_256M & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
100 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
101#define TD_2G \
102 (((TS_2G & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
103 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
75#define TD_NFO (1UL << 60)
76#define TD_IE (1UL << 59)
77#define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
78/* NOTE: bit 6 of TD_SOFT will be sign-extended if used as an immediate. */
79#define TD_FAKE ((1UL << 5) << TD_SOFT_SHIFT)
80#define TD_EXEC ((1UL << 4) << TD_SOFT_SHIFT)
81#define TD_REF ((1UL << 3) << TD_SOFT_SHIFT)
82#define TD_PV ((1UL << 2) << TD_SOFT_SHIFT)

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89#define TD_P (1UL << 2)
90#define TD_W (1UL << 1)
91#define TD_G (1UL << 0)
92
93#define TV_SIZE_BITS (TD_SIZE_BITS)
94#define TV_VPN(va, sz) ((((va) >> TTE_PAGE_SHIFT(sz)) << TV_SIZE_BITS) | sz)
95
96#define TTE_SIZE_SPREAD (3)
104#define TD_NFO (1UL << 60)
105#define TD_IE (1UL << 59)
106#define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
107/* NOTE: bit 6 of TD_SOFT will be sign-extended if used as an immediate. */
108#define TD_FAKE ((1UL << 5) << TD_SOFT_SHIFT)
109#define TD_EXEC ((1UL << 4) << TD_SOFT_SHIFT)
110#define TD_REF ((1UL << 3) << TD_SOFT_SHIFT)
111#define TD_PV ((1UL << 2) << TD_SOFT_SHIFT)

--- 6 unchanged lines hidden (view full) ---

118#define TD_P (1UL << 2)
119#define TD_W (1UL << 1)
120#define TD_G (1UL << 0)
121
122#define TV_SIZE_BITS (TD_SIZE_BITS)
123#define TV_VPN(va, sz) ((((va) >> TTE_PAGE_SHIFT(sz)) << TV_SIZE_BITS) | sz)
124
125#define TTE_SIZE_SPREAD (3)
97#define TTE_PAGE_SHIFT(sz) \
126#define TTE_PAGE_SHIFT(sz) \
98 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
99
127 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
128
100#define TTE_GET_SIZE(tp) \
129#define TTE_GET_SIZE(tp) \
101 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
130 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
102#define TTE_GET_PAGE_SHIFT(tp) \
131#define TTE_GET_PAGE_SHIFT(tp) \
103 TTE_PAGE_SHIFT(TTE_GET_SIZE(tp))
132 TTE_PAGE_SHIFT(TTE_GET_SIZE(tp))
104#define TTE_GET_PAGE_SIZE(tp) \
133#define TTE_GET_PAGE_SIZE(tp) \
105 (1 << TTE_GET_PAGE_SHIFT(tp))
134 (1 << TTE_GET_PAGE_SHIFT(tp))
106#define TTE_GET_PAGE_MASK(tp) \
135#define TTE_GET_PAGE_MASK(tp) \
107 (TTE_GET_PAGE_SIZE(tp) - 1)
108
136 (TTE_GET_PAGE_SIZE(tp) - 1)
137
109#define TTE_GET_PA(tp) \
138#define TTE_GET_PA(tp) \
110 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
139 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
111#define TTE_GET_VPN(tp) \
140#define TTE_GET_VPN(tp) \
112 ((tp)->tte_vpn >> TV_SIZE_BITS)
141 ((tp)->tte_vpn >> TV_SIZE_BITS)
113#define TTE_GET_VA(tp) \
142#define TTE_GET_VA(tp) \
114 (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp))
143 (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp))
115#define TTE_GET_PMAP(tp) \
116 (((tp)->tte_data & TD_P) != 0 ? \
117 (kernel_pmap) : \
118 (PHYS_TO_VM_PAGE(pmap_kextract((vm_offset_t)(tp)))->md.pmap))
119#define TTE_ZERO(tp) \
144#define TTE_GET_PMAP(tp) \
145 (((tp)->tte_data & TD_P) != 0 ? (kernel_pmap) : \
146 (PHYS_TO_VM_PAGE(pmap_kextract((vm_offset_t)(tp)))->md.pmap))
147#define TTE_ZERO(tp) \
120 memset(tp, 0, sizeof(*tp))
121
122struct pmap;
123
124struct tte {
125 u_long tte_vpn;
126 u_long tte_data;
127 TAILQ_ENTRY(tte) tte_link;
128};
129
130static __inline int
131tte_match(struct tte *tp, vm_offset_t va)
132{
148 memset(tp, 0, sizeof(*tp))
149
150struct pmap;
151
152struct tte {
153 u_long tte_vpn;
154 u_long tte_data;
155 TAILQ_ENTRY(tte) tte_link;
156};
157
158static __inline int
159tte_match(struct tte *tp, vm_offset_t va)
160{
161
133 return (((tp->tte_data & TD_V) != 0) &&
134 (tp->tte_vpn == TV_VPN(va, TTE_GET_SIZE(tp))));
135}
136
137#endif /* !_MACHINE_TTE_H_ */
162 return (((tp->tte_data & TD_V) != 0) &&
163 (tp->tte_vpn == TV_VPN(va, TTE_GET_SIZE(tp))));
164}
165
166#endif /* !_MACHINE_TTE_H_ */