projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ef2b01e A |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2008-2009, Apple Inc. All rights reserved.\r | |
| 4 | \r | |
| 5 | All rights reserved. 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 | #include <Library/ArmLib.h>\r | |
| 16 | #include "ArmLibPrivate.h"\r | |
| 17 | \r | |
| 18 | ARM_CACHE_TYPE\r | |
| 19 | EFIAPI\r | |
| 20 | ArmCacheType (\r | |
| 21 | VOID\r | |
| 22 | )\r | |
| 23 | {\r | |
| 24 | switch (CACHE_TYPE(Cp15CacheInfo()))\r | |
| 25 | {\r | |
| 26 | case CACHE_TYPE_WRITE_BACK: return ARM_CACHE_TYPE_WRITE_BACK;\r | |
| 27 | default: return ARM_CACHE_TYPE_UNKNOWN;\r | |
| 28 | }\r | |
| 29 | }\r | |
| 30 | \r | |
| 31 | ARM_CACHE_ARCHITECTURE\r | |
| 32 | EFIAPI\r | |
| 33 | ArmCacheArchitecture (\r | |
| 34 | VOID\r | |
| 35 | )\r | |
| 36 | {\r | |
| 37 | switch (CACHE_ARCHITECTURE(Cp15CacheInfo()))\r | |
| 38 | {\r | |
| 39 | case CACHE_ARCHITECTURE_UNIFIED: return ARM_CACHE_ARCHITECTURE_UNIFIED;\r | |
| 40 | case CACHE_ARCHITECTURE_SEPARATE: return ARM_CACHE_ARCHITECTURE_SEPARATE;\r | |
| 41 | default: return ARM_CACHE_ARCHITECTURE_UNKNOWN;\r | |
| 42 | }\r | |
| 43 | }\r | |
| 44 | \r | |
| 45 | BOOLEAN\r | |
| 46 | EFIAPI\r | |
| 47 | ArmDataCachePresent (\r | |
| 48 | VOID\r | |
| 49 | )\r | |
| 50 | {\r | |
| 51 | switch (DATA_CACHE_PRESENT(Cp15CacheInfo()))\r | |
| 52 | {\r | |
| 53 | case CACHE_PRESENT: return TRUE;\r | |
| 54 | case CACHE_NOT_PRESENT: return FALSE;\r | |
| 55 | default: return FALSE;\r | |
| 56 | }\r | |
| 57 | }\r | |
| 58 | \r | |
| 59 | UINTN\r | |
| 60 | EFIAPI\r | |
| 61 | ArmDataCacheSize (\r | |
| 62 | VOID\r | |
| 63 | )\r | |
| 64 | {\r | |
| 65 | switch (DATA_CACHE_SIZE(Cp15CacheInfo()))\r | |
| 66 | {\r | |
| 67 | case CACHE_SIZE_4_KB: return 4 * 1024; \r | |
| 68 | case CACHE_SIZE_8_KB: return 8 * 1024;\r | |
| 69 | case CACHE_SIZE_16_KB: return 16 * 1024; \r | |
| 70 | case CACHE_SIZE_32_KB: return 32 * 1024;\r | |
| 71 | case CACHE_SIZE_64_KB: return 64 * 1024;\r | |
| 72 | case CACHE_SIZE_128_KB: return 128 * 1024;\r | |
| 73 | default: return 0;\r | |
| 74 | }\r | |
| 75 | }\r | |
| 76 | \r | |
| 77 | UINTN\r | |
| 78 | EFIAPI\r | |
| 79 | ArmDataCacheAssociativity (\r | |
| 80 | VOID\r | |
| 81 | )\r | |
| 82 | {\r | |
| 83 | switch (DATA_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))\r | |
| 84 | {\r | |
| 85 | case CACHE_ASSOCIATIVITY_4_WAY: return 4;\r | |
| 86 | case CACHE_ASSOCIATIVITY_DIRECT: return 1;\r | |
| 87 | default: return 0;\r | |
| 88 | }\r | |
| 89 | }\r | |
| 90 | \r | |
| 91 | UINTN\r | |
| 92 | EFIAPI\r | |
| 93 | ArmDataCacheLineLength (\r | |
| 94 | VOID\r | |
| 95 | )\r | |
| 96 | {\r | |
| 97 | switch (DATA_CACHE_LINE_LENGTH(Cp15CacheInfo()))\r | |
| 98 | {\r | |
| 99 | case CACHE_LINE_LENGTH_32_BYTES: return 32;\r | |
| 100 | default: return 0;\r | |
| 101 | }\r | |
| 102 | }\r | |
| 103 | \r | |
| 104 | BOOLEAN\r | |
| 105 | EFIAPI\r | |
| 106 | ArmInstructionCachePresent (\r | |
| 107 | VOID\r | |
| 108 | )\r | |
| 109 | {\r | |
| 110 | switch (INSTRUCTION_CACHE_PRESENT(Cp15CacheInfo()))\r | |
| 111 | {\r | |
| 112 | case CACHE_PRESENT: return TRUE;\r | |
| 113 | case CACHE_NOT_PRESENT: return FALSE;\r | |
| 114 | default: return FALSE;\r | |
| 115 | }\r | |
| 116 | }\r | |
| 117 | \r | |
| 118 | UINTN\r | |
| 119 | EFIAPI\r | |
| 120 | ArmInstructionCacheSize (\r | |
| 121 | VOID\r | |
| 122 | )\r | |
| 123 | {\r | |
| 124 | switch (INSTRUCTION_CACHE_SIZE(Cp15CacheInfo()))\r | |
| 125 | {\r | |
| 126 | case CACHE_SIZE_4_KB: return 4 * 1024; \r | |
| 127 | case CACHE_SIZE_8_KB: return 8 * 1024;\r | |
| 128 | case CACHE_SIZE_16_KB: return 16 * 1024; \r | |
| 129 | case CACHE_SIZE_32_KB: return 32 * 1024;\r | |
| 130 | case CACHE_SIZE_64_KB: return 64 * 1024;\r | |
| 131 | case CACHE_SIZE_128_KB: return 128 * 1024;\r | |
| 132 | default: return 0;\r | |
| 133 | }\r | |
| 134 | }\r | |
| 135 | \r | |
| 136 | UINTN\r | |
| 137 | EFIAPI\r | |
| 138 | ArmInstructionCacheAssociativity (\r | |
| 139 | VOID\r | |
| 140 | )\r | |
| 141 | {\r | |
| 142 | switch (INSTRUCTION_CACHE_ASSOCIATIVITY(Cp15CacheInfo()))\r | |
| 143 | {\r | |
| 144 | case CACHE_ASSOCIATIVITY_8_WAY: return 8;\r | |
| 145 | case CACHE_ASSOCIATIVITY_4_WAY: return 4;\r | |
| 146 | case CACHE_ASSOCIATIVITY_DIRECT: return 1;\r | |
| 147 | default: return 0;\r | |
| 148 | }\r | |
| 149 | }\r | |
| 150 | \r | |
| 151 | UINTN\r | |
| 152 | EFIAPI\r | |
| 153 | ArmInstructionCacheLineLength (\r | |
| 154 | VOID\r | |
| 155 | )\r | |
| 156 | {\r | |
| 157 | switch (INSTRUCTION_CACHE_LINE_LENGTH(Cp15CacheInfo()))\r | |
| 158 | {\r | |
| 159 | case CACHE_LINE_LENGTH_32_BYTES: return 32;\r | |
| 160 | default: return 0;\r | |
| 161 | }\r | |
| 162 | }\r | |
| 163 | \r | |
| 164 | \r |