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tte.h (91224) tte.h (97027)
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 91224 2002-02-25 04:56:50Z jake $
29 * $FreeBSD: head/sys/sparc64/include/tte.h 97027 2002-05-21 00:29:02Z jake $
30 */
31
32#ifndef _MACHINE_TTE_H_
33#define _MACHINE_TTE_H_
34
35#define TTE_SHIFT (4)
36
37#define TD_SIZE_SHIFT (61)
38#define TD_SOFT2_SHIFT (50)
39#define TD_DIAG_SHIFT (41)
40#define TD_PA_SHIFT (13)
41#define TD_SOFT_SHIFT (7)
42
30 */
31
32#ifndef _MACHINE_TTE_H_
33#define _MACHINE_TTE_H_
34
35#define TTE_SHIFT (4)
36
37#define TD_SIZE_SHIFT (61)
38#define TD_SOFT2_SHIFT (50)
39#define TD_DIAG_SHIFT (41)
40#define TD_PA_SHIFT (13)
41#define TD_SOFT_SHIFT (7)
42
43#define TD_SIZE_SIZE (2)
44#define TD_SOFT2_SIZE (9)
45#define TD_DIAG_SIZE (9)
46#define TD_PA_SIZE (28)
47#define TD_SOFT_SIZE (6)
43#define TD_SIZE_BITS (2)
44#define TD_SOFT2_BITS (9)
45#define TD_DIAG_BITS (9)
46#define TD_PA_BITS (28)
47#define TD_SOFT_BITS (6)
48
48
49#define TD_SIZE_MASK (((1UL << TD_SIZE_SIZE) - 1) << TD_SIZE_SHIFT)
50#define TD_SOFT2_MASK (((1UL << TD_SOFT2_SIZE) - 1) << TD_SOFT2_SHIFT)
51#define TD_DIAG_MASK (((1UL << TD_DIAG_SIZE) - 1) << TD_DIAG_SHIFT)
52#define TD_PA_MASK (((1UL << TD_PA_SIZE) - 1) << TD_PA_SHIFT)
53#define TD_SOFT_MASK (((1UL << TD_SOFT_SIZE) - 1) << TD_SOFT_SHIFT)
49#define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1)
50#define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1)
51#define TD_DIAG_MASK ((1UL << TD_DIAG_BITS) - 1)
52#define TD_PA_MASK ((1UL << TD_PA_BITS) - 1)
53#define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1)
54
54
55#define TD_SIZE_SPREAD (3)
56
55#define TS_EXEC (1UL << 4)
56#define TS_REF (1UL << 3)
57#define TS_PV (1UL << 2)
58#define TS_W (1UL << 1)
59#define TS_WIRED (1UL << 0)
60
61#define TD_V (1UL << 63)
62#define TD_8K (0UL << TD_SIZE_SHIFT)
63#define TD_64K (1UL << TD_SIZE_SHIFT)
64#define TD_512K (2UL << TD_SIZE_SHIFT)
65#define TD_4M (3UL << TD_SIZE_SHIFT)
66#define TD_NFO (1UL << 60)
67#define TD_IE (1UL << 59)
57#define TS_EXEC (1UL << 4)
58#define TS_REF (1UL << 3)
59#define TS_PV (1UL << 2)
60#define TS_W (1UL << 1)
61#define TS_WIRED (1UL << 0)
62
63#define TD_V (1UL << 63)
64#define TD_8K (0UL << TD_SIZE_SHIFT)
65#define TD_64K (1UL << TD_SIZE_SHIFT)
66#define TD_512K (2UL << TD_SIZE_SHIFT)
67#define TD_4M (3UL << TD_SIZE_SHIFT)
68#define TD_NFO (1UL << 60)
69#define TD_IE (1UL << 59)
68#define TD_PA(pa) ((pa) & TD_PA_MASK)
70#define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
69#define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT)
70#define TD_REF (TS_REF << TD_SOFT_SHIFT)
71#define TD_PV (TS_PV << TD_SOFT_SHIFT)
72#define TD_SW (TS_W << TD_SOFT_SHIFT)
73#define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT)
74#define TD_L (1UL << 6)
75#define TD_CP (1UL << 5)
76#define TD_CV (1UL << 4)
77#define TD_E (1UL << 3)
78#define TD_P (1UL << 2)
79#define TD_W (1UL << 1)
80#define TD_G (1UL << 0)
81
82#define TV_VPN(va) ((va) >> PAGE_SHIFT)
83
71#define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT)
72#define TD_REF (TS_REF << TD_SOFT_SHIFT)
73#define TD_PV (TS_PV << TD_SOFT_SHIFT)
74#define TD_SW (TS_W << TD_SOFT_SHIFT)
75#define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT)
76#define TD_L (1UL << 6)
77#define TD_CP (1UL << 5)
78#define TD_CV (1UL << 4)
79#define TD_E (1UL << 3)
80#define TD_P (1UL << 2)
81#define TD_W (1UL << 1)
82#define TD_G (1UL << 0)
83
84#define TV_VPN(va) ((va) >> PAGE_SHIFT)
85
84#define TD_GET_SIZE(d) (((d) >> TD_SIZE_SHIFT) & 3)
85#define TD_GET_PA(d) ((d) & TD_PA_MASK)
86#define TD_GET_TLB(d) (((d) & TD_EXEC) ? (TLB_DTLB | TLB_ITLB) : TLB_DTLB)
87#define TV_GET_VA(vpn) ((vpn) << PAGE_SHIFT)
86#define TTE_GET_SIZE(tp) \
87 (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK)
88#define TTE_GET_PAGE_SHIFT(tp) \
89 (PAGE_SHIFT + (TTE_GET_SIZE(tp) * TD_SIZE_SPREAD))
90#define TTE_GET_PAGE_SIZE(tp) \
91 (1 << TTE_GET_PAGE_SHIFT(tp))
92#define TTE_GET_PAGE_MASK(tp) \
93 (TTE_GET_PAGE_SIZE(tp) - 1)
88
94
95#define TTE_GET_PA(tp) \
96 ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT))
97#define TTE_GET_TLB(tp) \
98 (((tp)->tte_data & TD_EXEC) ? (TLB_DTLB | TLB_ITLB) : TLB_DTLB)
99#define TTE_GET_VA(tp) \
100 ((tp)->tte_vpn << PAGE_SHIFT)
101
89struct tte {
90 u_long tte_vpn;
91 u_long tte_data;
92};
93
94static __inline int
102struct tte {
103 u_long tte_vpn;
104 u_long tte_data;
105};
106
107static __inline int
95tte_match_vpn(struct tte tte, vm_offset_t vpn)
108tte_match_vpn(struct tte *tp, vm_offset_t vpn)
96{
109{
97 return ((tte.tte_data & TD_V) != 0 && tte.tte_vpn == vpn);
110 return ((tp->tte_data & TD_V) != 0 && tp->tte_vpn == vpn);
98}
99
100static __inline int
111}
112
113static __inline int
101tte_match(struct tte tte, vm_offset_t va)
114tte_match(struct tte *tp, vm_offset_t va)
102{
115{
103 return (tte_match_vpn(tte, va >> PAGE_SHIFT));
116 return (tte_match_vpn(tp, va >> PAGE_SHIFT));
104}
105
106#endif /* !_MACHINE_TTE_H_ */
117}
118
119#endif /* !_MACHINE_TTE_H_ */