1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
|
32#define TLB_DAR_SLOT_SHIFT (3)
33#define TLB_DAR_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT)
34
35#define TAR_VPN_SHIFT (13)
36#define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1)
37
38#define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK)
39#define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK)
40
41#define TLB_DEMAP_ID_SHIFT (4)
42#define TLB_DEMAP_ID_PRIMARY (0)
43#define TLB_DEMAP_ID_SECONDARY (1)
44#define TLB_DEMAP_ID_NUCLEUS (2)
45
46#define TLB_DEMAP_TYPE_SHIFT (6)
47#define TLB_DEMAP_TYPE_PAGE (0)
48#define TLB_DEMAP_TYPE_CONTEXT (1)
49
50#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK)
51#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT)
52#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT)
53
54#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE))
55#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT))
56
57#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY))
58#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY))
59#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS))
60
61#define TLB_CTX_KERNEL (0)
62#define TLB_CTX_USER_MIN (1)
63#define TLB_CTX_USER_MAX (8192)
64
65#define MMU_SFSR_ASI_SHIFT (16)
66#define MMU_SFSR_FT_SHIFT (7)
67#define MMU_SFSR_E_SHIFT (6)
68#define MMU_SFSR_CT_SHIFT (4)
69#define MMU_SFSR_PR_SHIFT (3)
70#define MMU_SFSR_W_SHIFT (2)
71#define MMU_SFSR_OW_SHIFT (1)
72#define MMU_SFSR_FV_SHIFT (0)
73
74#define MMU_SFSR_ASI_SIZE (8)
75#define MMU_SFSR_FT_SIZE (6)
76#define MMU_SFSR_CT_SIZE (2)
77
78#define MMU_SFSR_W (1L << MMU_SFSR_W_SHIFT)
79
80struct tlb_entry;
81
82extern int kernel_tlb_slots;
83extern struct tlb_entry *kernel_tlbs;
84
85extern int tlb_slot_count;
86
87void tlb_context_demap(struct pmap *pm);
88void tlb_page_demap(struct pmap *pm, vm_offset_t va);
89void tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end);
90void tlb_dump(void);
91
92#endif /* !_MACHINE_TLB_H_ */
| 38#define TLB_DAR_SLOT_SHIFT (3)
39#define TLB_DAR_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT)
40
41#define TAR_VPN_SHIFT (13)
42#define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1)
43
44#define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK)
45#define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK)
46
47#define TLB_DEMAP_ID_SHIFT (4)
48#define TLB_DEMAP_ID_PRIMARY (0)
49#define TLB_DEMAP_ID_SECONDARY (1)
50#define TLB_DEMAP_ID_NUCLEUS (2)
51
52#define TLB_DEMAP_TYPE_SHIFT (6)
53#define TLB_DEMAP_TYPE_PAGE (0)
54#define TLB_DEMAP_TYPE_CONTEXT (1)
55
56#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK)
57#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT)
58#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT)
59
60#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE))
61#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT))
62
63#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY))
64#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY))
65#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS))
66
67#define TLB_CTX_KERNEL (0)
68#define TLB_CTX_USER_MIN (1)
69#define TLB_CTX_USER_MAX (8192)
70
71#define MMU_SFSR_ASI_SHIFT (16)
72#define MMU_SFSR_FT_SHIFT (7)
73#define MMU_SFSR_E_SHIFT (6)
74#define MMU_SFSR_CT_SHIFT (4)
75#define MMU_SFSR_PR_SHIFT (3)
76#define MMU_SFSR_W_SHIFT (2)
77#define MMU_SFSR_OW_SHIFT (1)
78#define MMU_SFSR_FV_SHIFT (0)
79
80#define MMU_SFSR_ASI_SIZE (8)
81#define MMU_SFSR_FT_SIZE (6)
82#define MMU_SFSR_CT_SIZE (2)
83
84#define MMU_SFSR_W (1L << MMU_SFSR_W_SHIFT)
85
86struct tlb_entry;
87
88extern int kernel_tlb_slots;
89extern struct tlb_entry *kernel_tlbs;
90
91extern int tlb_slot_count;
92
93void tlb_context_demap(struct pmap *pm);
94void tlb_page_demap(struct pmap *pm, vm_offset_t va);
95void tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end);
96void tlb_dump(void);
97
98#endif /* !_MACHINE_TLB_H_ */
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