2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Berkeley Software Design Inc's name may not be used to endorse or
15 * promote products derived from this software without specific prior
18 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp
34 #ifndef _MACHINE_TTE_H_
35 #define _MACHINE_TTE_H_
39 #define TD_SIZE_SHIFT (61)
40 #define TD_SOFT2_SHIFT (50)
41 #define TD_RSVD2_SHIFT (49)
42 #define TD_SIZE2_SHIFT (48)
43 #define TD_DIAG_SF_SHIFT (41)
44 #define TD_RSVD_CH_SHIFT (43)
45 #define TD_RSVD_OC_SHIFT (47)
46 #define TD_RSVD_PT_SHIFT TD_RSVD_CH_SHIFT
47 #define TD_RSVD_VE_SHIFT (41)
48 #define TD_PA_SHIFT (13)
49 #define TD_SOFT_SHIFT (7)
51 #define TD_SIZE_BITS (2)
52 #define TD_SOFT2_BITS (9)
53 #define TD_RSVD2_BITS (1) /* US-IV+, SPARC64 VI, VII, VIIIfx */
54 #define TD_SIZE2_BITS (1) /* US-IV+, SPARC64 VI, VII, VIIIfx */
55 #define TD_DIAG_SF_BITS (9) /* US-I, II{,e,i} */
56 #define TD_RSVD_CH_BITS (7) /* US-III{,i,+}, US-IV, SPARC64 V */
57 #define TD_RSVD_OC_BITS (1) /* SPARC64 VI, VII */
58 #define TD_RSVD_PT_BITS (5) /* US-IV+, SPARC64 VI, VII */
59 #define TD_RSVD_VE_BITS (7) /* SPARC64 VIIIfx */
60 #define TD_PA_CH_BITS (30) /* US-III{,i,+}, US-IV{,+}, SPARC64 V */
61 #define TD_PA_OC_BITS (34) /* SPARC64 VI, VII */
62 #define TD_PA_SF_BITS (28) /* US-I, II{,e,i}, SPARC64 VIIIfx */
63 #define TD_PA_BITS TD_PA_CH_BITS
64 #define TD_SOFT_BITS (6)
66 #define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1)
67 #define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1)
68 #define TD_RSVD2_MASK ((1UL << TD_RSVD2_BITS) - 1)
69 #define TD_SIZE2_MASK ((1UL << TD_SIZE2_BITS) - 1)
70 #define TD_DIAG_SF_MASK ((1UL << TD_DIAG_SF_BITS) - 1)
71 #define TD_RSVD_CH_MASK ((1UL << TD_RSVD_CH_BITS) - 1)
72 #define TD_RSVD_OC_MASK ((1UL << TD_RSVD_OC_BITS) - 1)
73 #define TD_RSVD_PT_MASK ((1UL << TD_RSVD_PT_BITS) - 1)
74 #define TD_RSVD_VE_MASK ((1UL << TD_RSVD_VE_BITS) - 1)
75 #define TD_PA_CH_MASK ((1UL << TD_PA_CH_BITS) - 1)
76 #define TD_PA_OC_MASK ((1UL << TD_PA_OC_BITS) - 1)
77 #define TD_PA_SF_MASK ((1UL << TD_PA_SF_BITS) - 1)
78 #define TD_PA_MASK ((1UL << TD_PA_BITS) - 1)
79 #define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1)
85 #define TS_32M (4UL) /* US-IV+, SPARC64 VI, VII only */
86 #define TS_256M (5UL) /* US-IV+, SPARC64 VI, VII only */
87 #define TS_2G (6UL) /* SPARC64 VIIIfx only */
92 #define TD_V (1UL << 63)
93 #define TD_8K (TS_8K << TD_SIZE_SHIFT)
94 #define TD_64K (TS_64K << TD_SIZE_SHIFT)
95 #define TD_512K (TS_512K << TD_SIZE_SHIFT)
96 #define TD_4M (TS_4M << TD_SIZE_SHIFT)
98 (((TS_32M & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
99 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
101 (((TS_256M & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
102 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
104 (((TS_2G & TD_SIZE_MASK) << TD_SIZE_SHIFT) | \
105 (TD_SIZE2_MASK << TD_SIZE2_SHIFT))
106 #define TD_NFO (1UL << 60)
107 #define TD_IE (1UL << 59)
108 #define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
109 /* NOTE: bit 6 of TD_SOFT will be sign-extended if used as an immediate. */
110 #define TD_FAKE ((1UL << 5) << TD_SOFT_SHIFT)
111 #define TD_EXEC ((1UL << 4) << TD_SOFT_SHIFT)
112 #define TD_REF ((1UL << 3) << TD_SOFT_SHIFT)
113 #define TD_PV ((1UL << 2) << TD_SOFT_SHIFT)
114 #define TD_SW ((1UL << 1) << TD_SOFT_SHIFT)
115 #define TD_WIRED ((1UL << 0) << TD_SOFT_SHIFT)
116 #define TD_L (1UL << 6)
117 #define TD_CP (1UL << 5)
118 #define TD_CV (1UL << 4)
119 #define TD_E (1UL << 3)
120 #define TD_P (1UL << 2)
121 #define TD_W (1UL << 1)
122 #define TD_G (1UL << 0)
124 #define TV_SIZE_BITS (TD_SIZE_BITS)
125 #define TV_VPN(va, sz) ((((va) >> TTE_PAGE_SHIFT(sz)) << TV_SIZE_BITS) | sz)
127 #define TTE_SIZE_SPREAD (3)
128 #define TTE_PAGE_SHIFT(sz) \
129 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
131 #define TTE_GET_SIZE(tp) \
132 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
133 #define TTE_GET_PAGE_SHIFT(tp) \
134 TTE_PAGE_SHIFT(TTE_GET_SIZE(tp))
135 #define TTE_GET_PAGE_SIZE(tp) \
136 (1 << TTE_GET_PAGE_SHIFT(tp))
137 #define TTE_GET_PAGE_MASK(tp) \
138 (TTE_GET_PAGE_SIZE(tp) - 1)
140 #define TTE_GET_PA(tp) \
141 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
142 #define TTE_GET_VPN(tp) \
143 ((tp)->tte_vpn >> TV_SIZE_BITS)
144 #define TTE_GET_VA(tp) \
145 (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp))
146 #define TTE_GET_PMAP(tp) \
147 (((tp)->tte_data & TD_P) != 0 ? (kernel_pmap) : \
148 (PHYS_TO_VM_PAGE(pmap_kextract((vm_offset_t)(tp)))->md.pmap))
149 #define TTE_ZERO(tp) \
150 memset(tp, 0, sizeof(*tp))
157 TAILQ_ENTRY(tte) tte_link;
161 tte_match(struct tte *tp, vm_offset_t va)
164 return (((tp->tte_data & TD_V) != 0) &&
165 (tp->tte_vpn == TV_VPN(va, TTE_GET_SIZE(tp))));
168 #endif /* !_MACHINE_TTE_H_ */