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d9e4abb1 | 1 | /** @file\r |
2 | *\r | |
7fffeef9 | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r |
d9e4abb1 | 4 | * \r |
5 | * This program and the accompanying materials \r | |
6 | * are licensed and made available under the terms and conditions of the BSD License \r | |
7 | * which accompanies this distribution. The full text of the license may be found at \r | |
8 | * http://opensource.org/licenses/bsd-license.php \r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | *\r | |
13 | **/\r | |
14 | \r | |
15 | #ifndef __ARMV7_MMU_H_\r | |
16 | #define __ARMV7_MMU_H_\r | |
17 | \r | |
18 | #define TTBR_NOT_OUTER_SHAREABLE BIT5\r | |
19 | #define TTBR_RGN_OUTER_NON_CACHEABLE 0\r | |
20 | #define TTBR_RGN_OUTER_WRITE_BACK_ALLOC BIT3\r | |
21 | #define TTBR_RGN_OUTER_WRITE_THROUGH BIT4\r | |
22 | #define TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC (BIT3|BIT4)\r | |
23 | #define TTBR_SHAREABLE BIT1\r | |
24 | #define TTBR_NON_SHAREABLE 0\r | |
25 | #define TTBR_INNER_CACHEABLE BIT0\r | |
26 | #define TTBR_NON_INNER_CACHEABLE BIT0\r | |
27 | #define TTBR_RGN_INNER_NON_CACHEABLE 0\r | |
28 | #define TTBR_RGN_INNER_WRITE_BACK_ALLOC BIT6\r | |
29 | #define TTBR_RGN_INNER_WRITE_THROUGH BIT0\r | |
30 | #define TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC (BIT0|BIT6)\r | |
31 | \r | |
32 | #define TTBR_WRITE_THROUGH_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )\r | |
33 | #define TTBR_WRITE_BACK_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC | TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC )\r | |
34 | #define TTBR_NON_CACHEABLE ( TTBR_RGN_OUTER_NON_CACHEABLE | TTBR_RGN_INNER_NON_CACHEABLE )\r | |
35 | #define TTBR_WRITE_BACK_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )\r | |
36 | \r | |
37 | \r | |
38 | #define TRANSLATION_TABLE_SECTION_COUNT 4096\r | |
39 | #define TRANSLATION_TABLE_SECTION_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)\r | |
40 | #define TRANSLATION_TABLE_SECTION_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)\r | |
41 | #define TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK (TRANSLATION_TABLE_SECTION_ALIGNMENT - 1)\r | |
42 | \r | |
43 | #define TRANSLATION_TABLE_PAGE_COUNT 256\r | |
44 | #define TRANSLATION_TABLE_PAGE_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)\r | |
45 | #define TRANSLATION_TABLE_PAGE_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)\r | |
46 | #define TRANSLATION_TABLE_PAGE_ALIGNMENT_MASK (TRANSLATION_TABLE_PAGE_ALIGNMENT - 1)\r | |
47 | \r | |
48 | #define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))\r | |
49 | \r | |
50 | // Translation table descriptor types\r | |
51 | #define TT_DESCRIPTOR_SECTION_TYPE_MASK ((1UL << 18) | (3UL << 0))\r | |
52 | #define TT_DESCRIPTOR_SECTION_TYPE_FAULT (0UL << 0)\r | |
53 | #define TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE (1UL << 0)\r | |
54 | #define TT_DESCRIPTOR_SECTION_TYPE_SECTION ((0UL << 18) | (2UL << 0))\r | |
55 | #define TT_DESCRIPTOR_SECTION_TYPE_SUPERSECTION ((1UL << 18) | (2UL << 0))\r | |
56 | #define TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(Desc) (((Desc) & 3UL) == TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE)\r | |
57 | \r | |
58 | // Translation table descriptor types\r | |
59 | #define TT_DESCRIPTOR_PAGE_TYPE_MASK (3UL << 0)\r | |
60 | #define TT_DESCRIPTOR_PAGE_TYPE_FAULT (0UL << 0)\r | |
61 | #define TT_DESCRIPTOR_PAGE_TYPE_PAGE (2UL << 0)\r | |
62 | #define TT_DESCRIPTOR_PAGE_TYPE_PAGE_XN (3UL << 0)\r | |
63 | #define TT_DESCRIPTOR_PAGE_TYPE_LARGEPAGE (1UL << 0)\r | |
64 | \r | |
65 | // Section descriptor definitions\r | |
66 | #define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)\r | |
67 | \r | |
68 | #define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)\r | |
7fffeef9 | 69 | #define TT_DESCRIPTOR_SECTION_NS (1UL << 19)\r |
d9e4abb1 | 70 | \r |
71 | #define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)\r | |
72 | #define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)\r | |
73 | #define TT_DESCRIPTOR_SECTION_NG_LOCAL (1UL << 17)\r | |
74 | \r | |
75 | #define TT_DESCRIPTOR_PAGE_NG_MASK (1UL << 11)\r | |
76 | #define TT_DESCRIPTOR_PAGE_NG_GLOBAL (0UL << 11)\r | |
77 | #define TT_DESCRIPTOR_PAGE_NG_LOCAL (1UL << 11)\r | |
78 | \r | |
79 | #define TT_DESCRIPTOR_SECTION_S_MASK (1UL << 16)\r | |
80 | #define TT_DESCRIPTOR_SECTION_S_NOT_SHARED (0UL << 16)\r | |
81 | #define TT_DESCRIPTOR_SECTION_S_SHARED (1UL << 16)\r | |
82 | \r | |
83 | #define TT_DESCRIPTOR_PAGE_S_MASK (1UL << 10)\r | |
84 | #define TT_DESCRIPTOR_PAGE_S_NOT_SHARED (0UL << 10)\r | |
85 | #define TT_DESCRIPTOR_PAGE_S_SHARED (1UL << 10)\r | |
86 | \r | |
87 | #define TT_DESCRIPTOR_SECTION_AP_MASK ((1UL << 15) | (3UL << 10))\r | |
88 | #define TT_DESCRIPTOR_SECTION_AP_NO_NO ((0UL << 15) | (0UL << 10))\r | |
89 | #define TT_DESCRIPTOR_SECTION_AP_RW_NO ((0UL << 15) | (1UL << 10))\r | |
90 | #define TT_DESCRIPTOR_SECTION_AP_RW_RO ((0UL << 15) | (2UL << 10))\r | |
91 | #define TT_DESCRIPTOR_SECTION_AP_RW_RW ((0UL << 15) | (3UL << 10))\r | |
92 | #define TT_DESCRIPTOR_SECTION_AP_RO_NO ((1UL << 15) | (1UL << 10))\r | |
93 | #define TT_DESCRIPTOR_SECTION_AP_RO_RO ((1UL << 15) | (3UL << 10))\r | |
94 | \r | |
95 | #define TT_DESCRIPTOR_PAGE_AP_MASK ((1UL << 9) | (3UL << 4))\r | |
96 | #define TT_DESCRIPTOR_PAGE_AP_NO_NO ((0UL << 9) | (0UL << 4))\r | |
97 | #define TT_DESCRIPTOR_PAGE_AP_RW_NO ((0UL << 9) | (1UL << 4))\r | |
98 | #define TT_DESCRIPTOR_PAGE_AP_RW_RO ((0UL << 9) | (2UL << 4))\r | |
99 | #define TT_DESCRIPTOR_PAGE_AP_RW_RW ((0UL << 9) | (3UL << 4))\r | |
100 | #define TT_DESCRIPTOR_PAGE_AP_RO_NO ((1UL << 9) | (1UL << 4))\r | |
101 | #define TT_DESCRIPTOR_PAGE_AP_RO_RO ((1UL << 9) | (3UL << 4))\r | |
102 | \r | |
103 | #define TT_DESCRIPTOR_SECTION_XN_MASK (0x1UL << 4)\r | |
104 | #define TT_DESCRIPTOR_PAGE_XN_MASK (0x1UL << 0)\r | |
105 | #define TT_DESCRIPTOR_LARGEPAGE_XN_MASK (0x1UL << 15)\r | |
106 | \r | |
107 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))\r | |
108 | #define TT_DESCRIPTOR_SECTION_CACHEABLE_MASK (1UL << 3)\r | |
109 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))\r | |
110 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))\r | |
111 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))\r | |
112 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))\r | |
113 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))\r | |
114 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))\r | |
115 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))\r | |
116 | \r | |
117 | #define TT_DESCRIPTOR_PAGE_SIZE (0x00001000)\r | |
118 | \r | |
119 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK ((3UL << 6) | (1UL << 3) | (1UL << 2))\r | |
120 | #define TT_DESCRIPTOR_PAGE_CACHEABLE_MASK (1UL << 3)\r | |
121 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 6) | (0UL << 3) | (0UL << 2))\r | |
122 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 6) | (0UL << 3) | (1UL << 2))\r | |
123 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 6) | (1UL << 3) | (0UL << 2))\r | |
124 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 6) | (1UL << 3) | (1UL << 2))\r | |
125 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 6) | (0UL << 3) | (0UL << 2))\r | |
126 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 6) | (1UL << 3) | (1UL << 2))\r | |
127 | #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 6) | (0UL << 3) | (0UL << 2))\r | |
128 | \r | |
129 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))\r | |
130 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))\r | |
131 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))\r | |
132 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))\r | |
133 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))\r | |
134 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))\r | |
135 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))\r | |
136 | #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))\r | |
137 | \r | |
138 | #define TT_DESCRIPTOR_CONVERT_TO_PAGE_AP(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_AP_MASK) >> 6) & TT_DESCRIPTOR_PAGE_AP_MASK)\r | |
139 | #define TT_DESCRIPTOR_CONVERT_TO_PAGE_NG(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_NG_MASK) >> 6) & TT_DESCRIPTOR_PAGE_NG_MASK)\r | |
140 | #define TT_DESCRIPTOR_CONVERT_TO_PAGE_S(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_S_MASK) >> 6) & TT_DESCRIPTOR_PAGE_S_MASK)\r | |
141 | #define TT_DESCRIPTOR_CONVERT_TO_PAGE_XN(Desc,IsLargePage) ((IsLargePage)? \\r | |
142 | ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK): \\r | |
143 | ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) << 11) & TT_DESCRIPTOR_PAGE_XN_MASK))\r | |
144 | #define TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \\r | |
145 | (((Desc) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK): \\r | |
146 | (((((Desc) & (0x3 << 12)) >> 6) | (Desc & (0x3 << 2)))))\r | |
147 | \r | |
148 | #define TT_DESCRIPTOR_CONVERT_TO_SECTION_AP(Desc) ((((Desc) & TT_DESCRIPTOR_PAGE_AP_MASK) << 6) & TT_DESCRIPTOR_SECTION_AP_MASK)\r | |
149 | \r | |
150 | #define TT_DESCRIPTOR_CONVERT_TO_SECTION_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \\r | |
151 | (((Desc) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK): \\r | |
152 | (((((Desc) & (0x3 << 6)) << 6) | (Desc & (0x3 << 2)))))\r | |
153 | \r | |
154 | \r | |
155 | #define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)\r | |
156 | #define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0x0FUL) << 5)\r | |
157 | \r | |
158 | #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)\r | |
159 | #define TT_DESCRIPTOR_SECTION_PAGETABLE_ADDRESS_MASK (0xFFFFFC00)\r | |
160 | #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)\r | |
161 | #define TT_DESCRIPTOR_SECTION_BASE_SHIFT 20\r | |
162 | \r | |
163 | #define TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK (0xFFFFF000)\r | |
164 | #define TT_DESCRIPTOR_PAGE_INDEX_MASK (0x000FF000)\r | |
165 | #define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)\r | |
166 | #define TT_DESCRIPTOR_PAGE_BASE_SHIFT 12\r | |
167 | \r | |
7fffeef9 | 168 | #define TT_DESCRIPTOR_SECTION_WRITE_BACK(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \\r |
169 | ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \\r | |
170 | TT_DESCRIPTOR_SECTION_NG_GLOBAL | \\r | |
171 | TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \\r | |
172 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \\r | |
173 | TT_DESCRIPTOR_SECTION_AP_RW_RW | \\r | |
174 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)\r | |
175 | #define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \\r | |
176 | ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \\r | |
177 | TT_DESCRIPTOR_SECTION_NG_GLOBAL | \\r | |
178 | TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \\r | |
179 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \\r | |
180 | TT_DESCRIPTOR_SECTION_AP_RW_RW | \\r | |
181 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)\r | |
182 | #define TT_DESCRIPTOR_SECTION_DEVICE(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \\r | |
183 | ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \\r | |
184 | TT_DESCRIPTOR_SECTION_NG_GLOBAL | \\r | |
185 | TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \\r | |
186 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \\r | |
187 | TT_DESCRIPTOR_SECTION_AP_RW_RW | \\r | |
188 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)\r | |
189 | #define TT_DESCRIPTOR_SECTION_UNCACHED(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \\r | |
190 | ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \\r | |
191 | TT_DESCRIPTOR_SECTION_NG_GLOBAL | \\r | |
192 | TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \\r | |
193 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \\r | |
194 | TT_DESCRIPTOR_SECTION_AP_RW_RW | \\r | |
195 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)\r | |
d9e4abb1 | 196 | \r |
197 | #define TT_DESCRIPTOR_PAGE_WRITE_BACK (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \\r | |
198 | TT_DESCRIPTOR_PAGE_NG_GLOBAL | \\r | |
199 | TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \\r | |
200 | TT_DESCRIPTOR_PAGE_AP_RW_RW | \\r | |
201 | TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC)\r | |
202 | #define TT_DESCRIPTOR_PAGE_WRITE_THROUGH (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \\r | |
203 | TT_DESCRIPTOR_PAGE_NG_GLOBAL | \\r | |
204 | TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \\r | |
205 | TT_DESCRIPTOR_PAGE_AP_RW_RW | \\r | |
206 | TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)\r | |
207 | #define TT_DESCRIPTOR_PAGE_DEVICE (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \\r | |
208 | TT_DESCRIPTOR_PAGE_NG_GLOBAL | \\r | |
209 | TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \\r | |
210 | TT_DESCRIPTOR_PAGE_AP_RW_RW | \\r | |
211 | TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE)\r | |
212 | #define TT_DESCRIPTOR_PAGE_UNCACHED (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \\r | |
213 | TT_DESCRIPTOR_PAGE_NG_GLOBAL | \\r | |
214 | TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \\r | |
215 | TT_DESCRIPTOR_PAGE_AP_RW_RW | \\r | |
216 | TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE)\r | |
217 | \r | |
218 | #endif\r |