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 $
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_DIAG_SF_SHIFT (41)
40#define TD_RSVD_CH_SHIFT (43)
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_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)
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)
55#define TD_DIAG_SF_MASK ((1UL << TD_DIAG_SF_BITS) - 1)
56#define TD_RSVD_CH_MASK ((1UL << TD_RSVD_CH_BITS) - 1)
57#define TD_PA_CH_MASK ((1UL << TD_PA_CH_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)
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)
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)
--- 6 unchanged lines hidden (view full) ---
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)
97#define TTE_PAGE_SHIFT(sz) \
98 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
99
100#define TTE_GET_SIZE(tp) \
101 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
102#define TTE_GET_PAGE_SHIFT(tp) \
103 TTE_PAGE_SHIFT(TTE_GET_SIZE(tp))
104#define TTE_GET_PAGE_SIZE(tp) \
105 (1 << TTE_GET_PAGE_SHIFT(tp))
106#define TTE_GET_PAGE_MASK(tp) \
107 (TTE_GET_PAGE_SIZE(tp) - 1)
108
109#define TTE_GET_PA(tp) \
110 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
111#define TTE_GET_VPN(tp) \
112 ((tp)->tte_vpn >> TV_SIZE_BITS)
113#define TTE_GET_VA(tp) \
114 (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) \
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{
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_ */
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 $
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_DIAG_SF_SHIFT (41)
40#define TD_RSVD_CH_SHIFT (43)
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_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)
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)
55#define TD_DIAG_SF_MASK ((1UL << TD_DIAG_SF_BITS) - 1)
56#define TD_RSVD_CH_MASK ((1UL << TD_RSVD_CH_BITS) - 1)
57#define TD_PA_CH_MASK ((1UL << TD_PA_CH_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)
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)
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)
--- 6 unchanged lines hidden (view full) ---
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)
97#define TTE_PAGE_SHIFT(sz) \
98 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
99
100#define TTE_GET_SIZE(tp) \
101 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
102#define TTE_GET_PAGE_SHIFT(tp) \
103 TTE_PAGE_SHIFT(TTE_GET_SIZE(tp))
104#define TTE_GET_PAGE_SIZE(tp) \
105 (1 << TTE_GET_PAGE_SHIFT(tp))
106#define TTE_GET_PAGE_MASK(tp) \
107 (TTE_GET_PAGE_SIZE(tp) - 1)
108
109#define TTE_GET_PA(tp) \
110 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
111#define TTE_GET_VPN(tp) \
112 ((tp)->tte_vpn >> TV_SIZE_BITS)
113#define TTE_GET_VA(tp) \
114 (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) \
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{
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_ */