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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ia64mm |
29 | /** @addtogroup ia64mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_ia64_TLB_H_ |
35 | #ifndef KERN_ia64_TLB_H_ |
36 | #define KERN_ia64_TLB_H_ |
36 | #define KERN_ia64_TLB_H_ |
37 | 37 | ||
38 | #define tlb_arch_init() |
38 | #define tlb_arch_init() |
39 | #define tlb_print() |
39 | #define tlb_print() |
40 | 40 | ||
41 | #include <arch/mm/page.h> |
41 | #include <arch/mm/page.h> |
42 | #include <arch/mm/asid.h> |
42 | #include <arch/mm/asid.h> |
43 | #include <arch/interrupt.h> |
43 | #include <arch/interrupt.h> |
44 | #include <arch/types.h> |
44 | #include <arch/types.h> |
45 | #include <typedefs.h> |
- | |
46 | 45 | ||
47 | /** Data and instruction Translation Register indices. */ |
46 | /** Data and instruction Translation Register indices. */ |
48 | #define DTR_KERNEL 0 |
47 | #define DTR_KERNEL 0 |
49 | #define ITR_KERNEL 0 |
48 | #define ITR_KERNEL 0 |
50 | #define DTR_KSTACK1 1 |
49 | #define DTR_KSTACK1 1 |
51 | #define DTR_KSTACK2 2 |
50 | #define DTR_KSTACK2 2 |
52 | 51 | ||
53 | /** Portion of TLB insertion format data structure. */ |
52 | /** Portion of TLB insertion format data structure. */ |
54 | union tlb_entry { |
53 | union tlb_entry { |
55 | uint64_t word[2]; |
54 | uint64_t word[2]; |
56 | struct { |
55 | struct { |
57 | /* Word 0 */ |
56 | /* Word 0 */ |
58 | unsigned p : 1; /**< Present. */ |
57 | unsigned p : 1; /**< Present. */ |
59 | unsigned : 1; |
58 | unsigned : 1; |
60 | unsigned ma : 3; /**< Memory attribute. */ |
59 | unsigned ma : 3; /**< Memory attribute. */ |
61 | unsigned a : 1; /**< Accessed. */ |
60 | unsigned a : 1; /**< Accessed. */ |
62 | unsigned d : 1; /**< Dirty. */ |
61 | unsigned d : 1; /**< Dirty. */ |
63 | unsigned pl : 2; /**< Privilege level. */ |
62 | unsigned pl : 2; /**< Privilege level. */ |
64 | unsigned ar : 3; /**< Access rights. */ |
63 | unsigned ar : 3; /**< Access rights. */ |
65 | unsigned long long ppn : 38; /**< Physical Page Number, a.k.a. PFN. */ |
64 | unsigned long long ppn : 38; /**< Physical Page Number, a.k.a. PFN. */ |
66 | unsigned : 2; |
65 | unsigned : 2; |
67 | unsigned ed : 1; |
66 | unsigned ed : 1; |
68 | unsigned ig1 : 11; |
67 | unsigned ig1 : 11; |
69 | 68 | ||
70 | /* Word 1 */ |
69 | /* Word 1 */ |
71 | unsigned : 2; |
70 | unsigned : 2; |
72 | unsigned ps : 6; /**< Page size will be 2^ps. */ |
71 | unsigned ps : 6; /**< Page size will be 2^ps. */ |
73 | unsigned key : 24; /**< Protection key, unused. */ |
72 | unsigned key : 24; /**< Protection key, unused. */ |
74 | unsigned : 32; |
73 | unsigned : 32; |
75 | } __attribute__ ((packed)); |
74 | } __attribute__ ((packed)); |
76 | } __attribute__ ((packed)); |
75 | } __attribute__ ((packed)); |
77 | typedef union tlb_entry tlb_entry_t; |
76 | typedef union tlb_entry tlb_entry_t; |
78 | 77 | ||
79 | extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc); |
78 | extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc); |
80 | extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
79 | extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
81 | extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
80 | extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
82 | 81 | ||
83 | extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr); |
82 | extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr); |
84 | extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
83 | extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
85 | extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
84 | extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
86 | 85 | ||
87 | extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr); |
86 | extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr); |
88 | extern void dtr_purge(uintptr_t page, count_t width); |
87 | extern void dtr_purge(uintptr_t page, count_t width); |
89 | 88 | ||
90 | extern void dtc_pte_copy(pte_t *t); |
89 | extern void dtc_pte_copy(pte_t *t); |
91 | extern void itc_pte_copy(pte_t *t); |
90 | extern void itc_pte_copy(pte_t *t); |
92 | 91 | ||
93 | extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate); |
92 | extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate); |
94 | extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate); |
93 | extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate); |
95 | extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate); |
94 | extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate); |
96 | extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate); |
95 | extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate); |
97 | extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate); |
96 | extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate); |
98 | extern void data_access_bit_fault(uint64_t vector, istate_t *istate); |
97 | extern void data_access_bit_fault(uint64_t vector, istate_t *istate); |
99 | extern void page_not_present(uint64_t vector, istate_t *istate); |
98 | extern void page_not_present(uint64_t vector, istate_t *istate); |
100 | 99 | ||
101 | #endif |
100 | #endif |
102 | 101 | ||
103 | /** @} |
102 | /** @} |
104 | */ |
103 | */ |
105 | 104 |