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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 | #ifndef __ia64_PAGE_H__ |
29 | #ifndef __ia64_PAGE_H__ |
| 30 | #define __ia64_PAGE_H__ |
30 | #define __ia64_PAGE_H__ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| 33 | #include <arch/mm/frame.h> |
33 | #include <arch/mm/frame.h> |
| 34 | 34 | ||
| 35 | #define PAGE_SIZE FRAME_SIZE |
35 | #define PAGE_SIZE FRAME_SIZE |
| - | 36 | #define PAGE_WIDTH FRAME_WIDTH |
|
| 36 | 37 | ||
| 37 | #define KA2PA(x) ((__address) (x)) |
38 | #define KA2PA(x) ((__address) (x)) |
| 38 | #define PA2KA(x) ((__address) (x)) |
39 | #define PA2KA(x) ((__address) (x)) |
| 39 | 40 | ||
| 40 | #define GET_PTL0_ADDRESS_ARCH() ((pte_t *) 0) |
41 | #define GET_PTL0_ADDRESS_ARCH() ((pte_t *) 0) |
| 41 | #define SET_PTL0_ADDRESS_ARCH(ptl0) |
42 | #define SET_PTL0_ADDRESS_ARCH(ptl0) |
| 42 | 43 | ||
| 43 | /** Implementation of page hash table interface. */ |
44 | /** Implementation of page hash table interface. */ |
| 44 | #define HT_HASH_ARCH(page, asid) 0 |
45 | #define HT_HASH_ARCH(page, asid) 0 |
| 45 | #define HT_COMPARE_ARCH(page, asid, t) 0 |
46 | #define HT_COMPARE_ARCH(page, asid, t) 0 |
| 46 | #define HT_SLOT_EMPTY_ARCH(t) 1 |
47 | #define HT_SLOT_EMPTY_ARCH(t) 1 |
| 47 | #define HT_GET_NEXT_ARCH(t) 0 |
48 | #define HT_GET_NEXT_ARCH(t) 0 |
| 48 | #define HT_SET_NEXT_ARCH(t, s) |
49 | #define HT_SET_NEXT_ARCH(t, s) |
| 49 | #define HT_SET_RECORD_ARCH(t, page, asid, frame, flags) |
50 | #define HT_SET_RECORD_ARCH(t, page, asid, frame, flags) |
| 50 | 51 | ||
| - | 52 | #define REGION_RID_MAIN 0 |
|
| - | 53 | #define REGION_RID_FIRST_INVALID 16 |
|
| - | 54 | #define REGION_REGISTERS 8 |
|
| - | 55 | ||
| - | 56 | #define VHPT_WIDTH 16 /*64kB*/ |
|
| - | 57 | #define VHPT_SIZE (1<<VHPT_WIDTH) |
|
| - | 58 | ||
| - | 59 | #define VHPT_BASE 0 /* Must be aligned to VHPT_SIZE */ |
|
| - | 60 | ||
| 51 | struct VHPT_tag_info |
61 | struct VHPT_tag_info |
| 52 | { |
62 | { |
| 53 | unsigned long long tag :63; |
63 | unsigned long long tag :63; |
| 54 | unsigned ti : 1; |
64 | unsigned ti : 1; |
| 55 | }__attribute__ ((packed)); |
65 | }__attribute__ ((packed)); |
| 56 | 66 | ||
| 57 | union VHPT_tag |
67 | union VHPT_tag |
| 58 | { |
68 | { |
| 59 | struct VHPT_tag_info tag_info; |
69 | struct VHPT_tag_info tag_info; |
| 60 | unsigned tag_word; |
70 | unsigned tag_word; |
| 61 | }; |
71 | }; |
| 62 | 72 | ||
| 63 | struct VHPT_entry_present |
73 | struct VHPT_entry_present |
| 64 | { |
74 | { |
| 65 | 75 | ||
| 66 | /* Word 0 */ |
76 | /* Word 0 */ |
| 67 | unsigned p : 1; |
77 | unsigned p : 1; |
| 68 | unsigned rv0 : 1; |
78 | unsigned rv0 : 1; |
| 69 | unsigned ma : 3; |
79 | unsigned ma : 3; |
| 70 | unsigned a : 1; |
80 | unsigned a : 1; |
| 71 | unsigned d : 1; |
81 | unsigned d : 1; |
| 72 | unsigned pl : 2; |
82 | unsigned pl : 2; |
| 73 | unsigned ar : 3; |
83 | unsigned ar : 3; |
| 74 | unsigned long long ppn :38; |
84 | unsigned long long ppn :38; |
| 75 | unsigned rv1 : 2; |
85 | unsigned rv1 : 2; |
| 76 | unsigned ed : 1; |
86 | unsigned ed : 1; |
| 77 | unsigned ig1 :11; |
87 | unsigned ig1 :11; |
| 78 | 88 | ||
| 79 | /* Word 1 */ |
89 | /* Word 1 */ |
| 80 | unsigned rv2 : 2; |
90 | unsigned rv2 : 2; |
| 81 | unsigned ps : 6; |
91 | unsigned ps : 6; |
| 82 | unsigned key :24; |
92 | unsigned key :24; |
| 83 | unsigned rv3 :32; |
93 | unsigned rv3 :32; |
| 84 | 94 | ||
| 85 | /* Word 2 */ |
95 | /* Word 2 */ |
| 86 | union VHPT_tag tag; /*This data is here as union because I'm not sure if anybody nead access to areas ti and tag in VHPT entry*/ |
96 | union VHPT_tag tag; /*This data is here as union because I'm not sure if anybody nead access to areas ti and tag in VHPT entry*/ |
| 87 | /* But I'm almost sure we nead access to whole word so there are both possibilities*/ |
97 | /* But I'm almost sure we nead access to whole word so there are both possibilities*/ |
| 88 | /* Word 3 */ |
98 | /* Word 3 */ |
| 89 | unsigned long long next :64; |
99 | unsigned long long next :64; /* This ignored field will be (in my hopes ;-) ) used as pointer in link list of entries with same hash value*/ |
| 90 | 100 | ||
| 91 | }__attribute__ ((packed)); |
101 | }__attribute__ ((packed)); |
| 92 | 102 | ||
| 93 | struct VHPT_entry_not_present |
103 | struct VHPT_entry_not_present |
| 94 | { |
104 | { |
| 95 | /* Word 0 */ |
105 | /* Word 0 */ |
| 96 | unsigned p : 1; |
106 | unsigned p : 1; |
| 97 | unsigned long long ig0 :52; |
107 | unsigned long long ig0 :52; |
| 98 | unsigned ig1 :11; |
108 | unsigned ig1 :11; |
| 99 | 109 | ||
| 100 | /* Word 1 */ |
110 | /* Word 1 */ |
| 101 | unsigned rv2 : 2; |
111 | unsigned rv2 : 2; |
| 102 | unsigned ps : 6; |
112 | unsigned ps : 6; |
| 103 | unsigned long long ig2 :56; |
113 | unsigned long long ig2 :56; |
| 104 | 114 | ||
| 105 | 115 | ||
| 106 | /* Word 2 */ |
116 | /* Word 2 */ |
| 107 | union VHPT_tag tag; /*This data is here as union because I'm not sure if anybody nead access to areas ti and tag in VHPT entry*/ |
117 | union VHPT_tag tag; /*This data is here as union because I'm not sure if anybody nead access to areas ti and tag in VHPT entry*/ |
| 108 | /* But I'm almost sure we nead access to whole word so there are both possibilities*/ |
118 | /* But I'm almost sure we nead access to whole word so there are both possibilities*/ |
| 109 | /* Word 3 */ |
119 | /* Word 3 */ |
| 110 | unsigned long long next :64; |
120 | unsigned long long next :64; /* This ignored field will be (in my hopes ;-) ) used as pointer in link list of entries with same hash value*/ |
| 111 | 121 | ||
| 112 | }__attribute__ ((packed)); |
122 | }__attribute__ ((packed)); |
| 113 | 123 | ||
| 114 | typedef union VHPT_entry |
124 | typedef union VHPT_entry |
| 115 | { |
125 | { |
| 116 | struct VHPT_entry_present present; |
126 | struct VHPT_entry_present present; |
| 117 | struct VHPT_entry_not_present not_present; |
127 | struct VHPT_entry_not_present not_present; |
| 118 | }VHPT_entry; |
128 | }VHPT_entry; |
| 119 | 129 | ||
| 120 | extern void page_arch_init(void); |
130 | extern void page_arch_init(void); |
| 121 | 131 | ||
| - | 132 | ||
| - | 133 | struct region_register_map |
|
| - | 134 | { |
|
| - | 135 | unsigned ve : 1; |
|
| - | 136 | unsigned r0 : 1; |
|
| - | 137 | unsigned ps : 6; |
|
| - | 138 | unsigned rid :24; |
|
| - | 139 | unsigned r1 :32; |
|
| - | 140 | }__attribute__ ((packed)); |
|
| - | 141 | ||
| - | 142 | ||
| - | 143 | typedef union region_register |
|
| - | 144 | { |
|
| - | 145 | struct region_register_map map; |
|
| - | 146 | unsigned long long word; |
|
| - | 147 | }region_register; |
|
| - | 148 | ||
| - | 149 | struct PTA_register_map |
|
| - | 150 | { |
|
| - | 151 | unsigned ve : 1; |
|
| - | 152 | unsigned r0 : 1; |
|
| - | 153 | unsigned size : 6; |
|
| - | 154 | unsigned vf : 1; |
|
| - | 155 | unsigned r1 : 6; |
|
| - | 156 | unsigned long long base:49; |
|
| - | 157 | }__attribute__ ((packed)); |
|
| - | 158 | ||
| - | 159 | ||
| - | 160 | typedef union PTA_register |
|
| - | 161 | { |
|
| - | 162 | struct PTA_register_map map; |
|
| - | 163 | unsigned long long word; |
|
| - | 164 | }PTA_register; |
|
| - | 165 | ||
| - | 166 | ||
| 122 | #endif |
167 | #endif |
| 123 | 168 | ||