projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f55c700 | 1 | /** @file\r |
| 2 | ACPI Table Protocol Implementation\r | |
| 3 | \r | |
| efef6ad6 | 4 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r |
| f9bbb8d9 | 5 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r |
| e5eed7d3 | 6 | This program and the accompanying materials\r |
| 5f55c700 | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
| 8 | which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | //\r | |
| 17 | // Includes\r | |
| 18 | //\r | |
| 19 | #include "AcpiTable.h"\r | |
| da935a5c | 20 | //\r |
| 21 | // The maximum number of tables that pre-allocated. \r | |
| 22 | //\r | |
| 23 | UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES; \r | |
| 5f55c700 | 24 | \r |
| f9bbb8d9 AB |
25 | //\r |
| 26 | // Allocation strategy to use for AllocatePages ().\r | |
| 27 | // Runtime value depends on PcdExposedAcpiTableVersions.\r | |
| 28 | //\r | |
| 29 | STATIC EFI_ALLOCATE_TYPE mAcpiTableAllocType;\r | |
| 30 | \r | |
| 5f55c700 | 31 | /**\r |
| 32 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
| 33 | allocate the correct type of memory and properly align the table.\r | |
| 34 | \r | |
| 35 | @param AcpiTableInstance Instance of the protocol.\r | |
| 36 | @param Table Table to add.\r | |
| 37 | @param Checksum Does the table require checksumming.\r | |
| 38 | @param Version The version of the list to add the table to.\r | |
| 39 | @param Handle Pointer for returning the handle.\r | |
| 40 | \r | |
| 41 | @return EFI_SUCCESS The function completed successfully.\r | |
| 42 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
| 43 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
| 44 | to be unique.\r | |
| 45 | \r | |
| 46 | **/\r | |
| 47 | EFI_STATUS\r | |
| 48 | AddTableToList (\r | |
| 49 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 50 | IN VOID *Table,\r | |
| 51 | IN BOOLEAN Checksum,\r | |
| 52 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 53 | OUT UINTN *Handle\r | |
| 54 | );\r | |
| 55 | \r | |
| 56 | /**\r | |
| 57 | This function finds and removes the table specified by the handle.\r | |
| 58 | \r | |
| 59 | @param AcpiTableInstance Instance of the protocol.\r | |
| 60 | @param Version Bitmask of which versions to remove.\r | |
| 61 | @param Handle Table to remove.\r | |
| 62 | \r | |
| 63 | @return EFI_SUCCESS The function completed successfully.\r | |
| 64 | @return EFI_ABORTED An error occurred.\r | |
| 65 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
| 66 | \r | |
| 67 | **/\r | |
| 68 | EFI_STATUS\r | |
| 69 | RemoveTableFromList (\r | |
| 70 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 71 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 72 | IN UINTN Handle\r | |
| 73 | );\r | |
| 74 | \r | |
| 75 | /**\r | |
| 76 | This function calculates and updates an UINT8 checksum.\r | |
| 77 | \r | |
| 78 | @param Buffer Pointer to buffer to checksum\r | |
| 79 | @param Size Number of bytes to checksum\r | |
| 80 | @param ChecksumOffset Offset to place the checksum result in\r | |
| 81 | \r | |
| 82 | @return EFI_SUCCESS The function completed successfully.\r | |
| 5f55c700 | 83 | **/\r |
| 84 | EFI_STATUS\r | |
| 85 | AcpiPlatformChecksum (\r | |
| 86 | IN VOID *Buffer,\r | |
| 87 | IN UINTN Size,\r | |
| 88 | IN UINTN ChecksumOffset\r | |
| 89 | );\r | |
| 90 | \r | |
| 91 | /**\r | |
| 92 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
| 93 | \r | |
| 94 | @param AcpiTableInstance Protocol instance private data.\r | |
| 95 | \r | |
| 96 | @return EFI_SUCCESS The function completed successfully.\r | |
| 97 | \r | |
| 98 | **/\r | |
| 99 | EFI_STATUS\r | |
| 100 | ChecksumCommonTables (\r | |
| 101 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
| 102 | );\r | |
| 103 | \r | |
| 104 | //\r | |
| 105 | // Protocol function implementations.\r | |
| 106 | //\r | |
| 107 | \r | |
| 5f55c700 | 108 | /**\r |
| 109 | This function publishes the specified versions of the ACPI tables by\r | |
| 110 | installing EFI configuration table entries for them. Any combination of\r | |
| 111 | table versions can be published.\r | |
| 112 | \r | |
| 113 | @param AcpiTableInstance Instance of the protocol.\r | |
| 114 | @param Version Version(s) to publish.\r | |
| 115 | \r | |
| 116 | @return EFI_SUCCESS The function completed successfully.\r | |
| 117 | @return EFI_ABORTED The function could not complete successfully.\r | |
| 118 | \r | |
| 119 | **/\r | |
| 120 | EFI_STATUS\r | |
| 121 | EFIAPI\r | |
| 122 | PublishTables (\r | |
| 123 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 124 | IN EFI_ACPI_TABLE_VERSION Version\r | |
| 125 | )\r | |
| 126 | {\r | |
| 127 | EFI_STATUS Status;\r | |
| 128 | UINT32 *CurrentRsdtEntry;\r | |
| 129 | VOID *CurrentXsdtEntry;\r | |
| 130 | UINT64 Buffer64;\r | |
| 131 | \r | |
| 132 | //\r | |
| 133 | // Reorder tables as some operating systems don't seem to find the\r | |
| 134 | // FADT correctly if it is not in the first few entries\r | |
| 135 | //\r | |
| 136 | \r | |
| 137 | //\r | |
| 138 | // Add FADT as the first entry\r | |
| 139 | //\r | |
| 140 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 141 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
| 142 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt1;\r | |
| f9bbb8d9 | 143 | \r |
| 5f55c700 | 144 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
| 145 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r | |
| f9bbb8d9 AB |
146 | }\r |
| 147 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r | |
| 5f55c700 | 148 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiTableInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
| 149 | //\r | |
| 150 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
| 151 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
| 152 | //\r | |
| 153 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Fadt3;\r | |
| 154 | CopyMem (\r | |
| 155 | CurrentXsdtEntry,\r | |
| 156 | &Buffer64,\r | |
| 157 | sizeof (UINT64)\r | |
| 158 | );\r | |
| 159 | }\r | |
| 160 | \r | |
| 161 | //\r | |
| 162 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
| 163 | //\r | |
| 164 | ChecksumCommonTables (AcpiTableInstance);\r | |
| 165 | \r | |
| 166 | //\r | |
| 167 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
| 168 | // tables.\r | |
| 169 | //\r | |
| 01267e22 | 170 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 5f55c700 | 171 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r |
| 172 | if (EFI_ERROR (Status)) {\r | |
| 173 | return EFI_ABORTED;\r | |
| 174 | }\r | |
| 5f55c700 | 175 | }\r |
| 176 | \r | |
| 01267e22 | 177 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 178 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r |
| 179 | if (EFI_ERROR (Status)) {\r | |
| 180 | return EFI_ABORTED;\r | |
| 181 | }\r | |
| 5f55c700 | 182 | }\r |
| 183 | \r | |
| 184 | return EFI_SUCCESS;\r | |
| 185 | }\r | |
| 186 | \r | |
| 187 | \r | |
| 188 | /**\r | |
| 189 | Installs an ACPI table into the RSDT/XSDT.\r | |
| 2fd3009f | 190 | Note that the ACPI table should be checksumed before installing it.\r |
| 191 | Otherwise it will assert.\r | |
| 5f55c700 | 192 | \r |
| 193 | @param This Protocol instance pointer.\r | |
| 194 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
| 195 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
| 196 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
| 197 | \r | |
| 198 | @return EFI_SUCCESS The table was successfully inserted.\r | |
| 199 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize \r | |
| 200 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r | |
| 201 | are not in sync.\r | |
| 202 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
| 5966402e SZ |
203 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
| 204 | present in the system and platform policy\r | |
| 205 | does not allow duplicate tables of this type.\r | |
| 5f55c700 | 206 | \r |
| 207 | **/\r | |
| 208 | EFI_STATUS\r | |
| 209 | EFIAPI\r | |
| 210 | InstallAcpiTable (\r | |
| db0f0d3c | 211 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
| 212 | IN VOID *AcpiTableBuffer,\r | |
| 213 | IN UINTN AcpiTableBufferSize,\r | |
| 214 | OUT UINTN *TableKey\r | |
| 5f55c700 | 215 | )\r |
| 216 | {\r | |
| 217 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
| 218 | EFI_STATUS Status;\r | |
| 219 | VOID *AcpiTableBufferConst;\r | |
| f9bbb8d9 | 220 | EFI_ACPI_TABLE_VERSION Version;\r |
| 5f55c700 | 221 | \r |
| 222 | //\r | |
| 223 | // Check for invalid input parameters\r | |
| 224 | //\r | |
| 225 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
| 226 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
| 227 | return EFI_INVALID_PARAMETER;\r | |
| 228 | }\r | |
| 229 | \r | |
| f9bbb8d9 AB |
230 | Version = PcdGet32 (PcdAcpiExposedTableVersions);\r |
| 231 | \r | |
| 5f55c700 | 232 | //\r |
| 233 | // Get the instance of the ACPI table protocol\r | |
| 234 | //\r | |
| 235 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
| 236 | \r | |
| 237 | //\r | |
| 238 | // Install the ACPI table\r | |
| 239 | //\r | |
| 240 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize,AcpiTableBuffer);\r | |
| 241 | *TableKey = 0;\r | |
| 5966402e | 242 | Status = AddTableToList (\r |
| 5f55c700 | 243 | AcpiTableInstance,\r |
| 244 | AcpiTableBufferConst,\r | |
| 71824dd8 | 245 | TRUE,\r |
| f9bbb8d9 | 246 | Version,\r |
| 5f55c700 | 247 | TableKey\r |
| 248 | );\r | |
| 249 | if (!EFI_ERROR (Status)) {\r | |
| 250 | Status = PublishTables (\r | |
| 251 | AcpiTableInstance,\r | |
| f9bbb8d9 | 252 | Version\r |
| 5f55c700 | 253 | );\r |
| 254 | }\r | |
| 255 | FreePool (AcpiTableBufferConst);\r | |
| 256 | \r | |
| 3dc8585e JY |
257 | //\r |
| 258 | // Add a new table successfully, notify registed callback\r | |
| 259 | //\r | |
| 260 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
| 261 | if (!EFI_ERROR (Status)) {\r | |
| 262 | SdtNotifyAcpiList (\r | |
| 263 | AcpiTableInstance,\r | |
| f9bbb8d9 | 264 | Version,\r |
| 3dc8585e JY |
265 | *TableKey\r |
| 266 | );\r | |
| 267 | }\r | |
| 268 | }\r | |
| 269 | \r | |
| 5f55c700 | 270 | return Status;\r |
| 271 | }\r | |
| 272 | \r | |
| 273 | \r | |
| 274 | /**\r | |
| 275 | Removes an ACPI table from the RSDT/XSDT.\r | |
| 276 | \r | |
| 277 | @param This Protocol instance pointer.\r | |
| 278 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
| 279 | \r | |
| 280 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
| 281 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
| 282 | \r | |
| 283 | **/\r | |
| 284 | EFI_STATUS\r | |
| 285 | EFIAPI\r | |
| 286 | UninstallAcpiTable (\r | |
| db0f0d3c | 287 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
| 288 | IN UINTN TableKey\r | |
| 5f55c700 | 289 | )\r |
| 290 | {\r | |
| 291 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r | |
| 292 | EFI_STATUS Status;\r | |
| 293 | \r | |
| 294 | //\r | |
| 295 | // Get the instance of the ACPI table protocol\r | |
| 296 | //\r | |
| 297 | AcpiTableInstance = EFI_ACPI_TABLE_INSTANCE_FROM_THIS (This);\r | |
| 298 | \r | |
| 299 | //\r | |
| 300 | // Uninstall the ACPI table\r | |
| 301 | //\r | |
| 5966402e | 302 | Status = RemoveTableFromList (\r |
| 5f55c700 | 303 | AcpiTableInstance,\r |
| f0071740 | 304 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0,\r |
| 5966402e | 305 | TableKey\r |
| 5f55c700 | 306 | );\r |
| 307 | if (!EFI_ERROR (Status)) {\r | |
| 308 | Status = PublishTables (\r | |
| 309 | AcpiTableInstance,\r | |
| f0071740 | 310 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0\r |
| 5f55c700 | 311 | );\r |
| 312 | }\r | |
| 313 | \r | |
| 314 | if (EFI_ERROR (Status)) {\r | |
| 315 | return EFI_NOT_FOUND;\r | |
| 316 | } else {\r | |
| 317 | return EFI_SUCCESS;\r | |
| 318 | }\r | |
| 319 | }\r | |
| 320 | \r | |
| da935a5c | 321 | /**\r |
| 322 | If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r | |
| 323 | \r | |
| 324 | @param AcpiTableInstance ACPI table protocol instance data structure.\r | |
| 325 | \r | |
| 326 | @return EFI_SUCCESS reallocate the table beffer successfully.\r | |
| 327 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
| 328 | \r | |
| 329 | **/\r | |
| 330 | EFI_STATUS\r | |
| 331 | ReallocateAcpiTableBuffer (\r | |
| 332 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
| 333 | )\r | |
| 334 | {\r | |
| 335 | UINTN NewMaxTableNumber;\r | |
| 336 | UINTN TotalSize;\r | |
| 337 | UINT8 *Pointer;\r | |
| 338 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 339 | EFI_ACPI_TABLE_INSTANCE TempPrivateData;\r | |
| 340 | EFI_STATUS Status;\r | |
| 341 | UINT64 CurrentData;\r | |
| 342 | \r | |
| 343 | CopyMem (&TempPrivateData, AcpiTableInstance, sizeof (EFI_ACPI_TABLE_INSTANCE)); \r | |
| 344 | //\r | |
| 345 | // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r | |
| 346 | //\r | |
| 347 | NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r | |
| 348 | //\r | |
| 37abfb7e | 349 | // Create RSDT, XSDT structures and allocate buffers.\r |
| da935a5c | 350 | //\r |
| f9bbb8d9 | 351 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| 37abfb7e | 352 | NewMaxTableNumber * sizeof (UINT64);\r |
| da935a5c | 353 | \r |
| f9bbb8d9 AB |
354 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 355 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 356 | NewMaxTableNumber * sizeof (UINT32) +\r | |
| 357 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 358 | NewMaxTableNumber * sizeof (UINT32);\r | |
| 359 | }\r | |
| 360 | \r | |
| da935a5c | 361 | //\r |
| 362 | // Allocate memory in the lower 32 bit of address range for\r | |
| 363 | // compatibility with ACPI 1.0 OS.\r | |
| 364 | //\r | |
| 365 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 366 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 367 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 368 | // for convenience of implementation that we force memory below 4GB.\r | |
| 369 | //\r | |
| 370 | PageAddress = 0xFFFFFFFF;\r | |
| 371 | Status = gBS->AllocatePages (\r | |
| f9bbb8d9 | 372 | mAcpiTableAllocType,\r |
| da935a5c | 373 | EfiACPIReclaimMemory,\r |
| 374 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
| 375 | &PageAddress\r | |
| 376 | );\r | |
| 377 | \r | |
| 378 | if (EFI_ERROR (Status)) {\r | |
| 379 | return EFI_OUT_OF_RESOURCES;\r | |
| 380 | }\r | |
| 381 | \r | |
| 382 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 383 | ZeroMem (Pointer, TotalSize);\r | |
| 384 | \r | |
| da935a5c | 385 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| f9bbb8d9 AB |
386 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 387 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
| 388 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 389 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
| 390 | }\r | |
| da935a5c | 391 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| 5f55c700 | 392 | \r |
| da935a5c | 393 | //\r |
| 37abfb7e | 394 | // Update RSDP to point to the new Rsdt and Xsdt address.\r |
| da935a5c | 395 | //\r |
| f9bbb8d9 AB |
396 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 397 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
| 398 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
| 399 | }\r | |
| da935a5c | 400 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r |
| 401 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
| 402 | \r | |
| 403 | //\r | |
| 404 | // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer \r | |
| 405 | //\r | |
| f9bbb8d9 AB |
406 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 407 | CopyMem (AcpiTableInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
| 408 | CopyMem (AcpiTableInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
| 409 | }\r | |
| da935a5c | 410 | CopyMem (AcpiTableInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r |
| 411 | \r | |
| 412 | //\r | |
| 413 | // Calculate orignal ACPI table buffer size\r | |
| 414 | //\r | |
| f9bbb8d9 | 415 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| 37abfb7e | 416 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
| f9bbb8d9 AB |
417 | \r |
| 418 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 419 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 420 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 421 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 422 | mEfiAcpiMaxNumTables * sizeof (UINT32);\r | |
| 423 | }\r | |
| 424 | \r | |
| 37abfb7e | 425 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize));\r |
| da935a5c | 426 | \r |
| 427 | //\r | |
| 428 | // Update the Max ACPI table number\r | |
| 429 | // \r | |
| 430 | mEfiAcpiMaxNumTables = NewMaxTableNumber;\r | |
| 431 | return EFI_SUCCESS;\r | |
| 432 | }\r | |
| 198a46d7 LE |
433 | \r |
| 434 | /**\r | |
| 435 | Determine whether the FADT table passed in as parameter requires mutual\r | |
| 436 | exclusion between the DSDT and X_DSDT fields. (That is, whether there exists\r | |
| 437 | an explicit requirement that at most one of those fields is permitted to be\r | |
| 438 | nonzero.)\r | |
| 439 | \r | |
| 440 | @param[in] Fadt The EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE object to\r | |
| 441 | check.\r | |
| 442 | \r | |
| 443 | @retval TRUE Fadt requires mutual exclusion between DSDT and X_DSDT.\r | |
| 444 | @retval FALSE Otherwise.\r | |
| 445 | **/\r | |
| 446 | BOOLEAN\r | |
| 447 | RequireDsdtXDsdtExclusion (\r | |
| 448 | IN EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt\r | |
| 449 | )\r | |
| 450 | {\r | |
| 451 | //\r | |
| 452 | // Mantis ticket #1393 was addressed in ACPI 5.1 Errata B. Unfortunately, we\r | |
| 453 | // can't tell apart 5.1 Errata A and 5.1 Errata B just from looking at the\r | |
| 454 | // FADT table. Therefore let's require exclusion for table versions >= 5.1.\r | |
| 455 | //\r | |
| 456 | // While this needlessly covers 5.1 and 5.1A too, it is safer to require\r | |
| 457 | // DSDT<->X_DSDT exclusion for lax (5.1, 5.1A) versions of the spec than to\r | |
| 458 | // permit DSDT<->X_DSDT duplication for strict (5.1B) versions of the spec.\r | |
| 459 | //\r | |
| 460 | // The same applies to 6.0 vs. 6.0A. While 6.0 does not require the\r | |
| 461 | // exclusion, 6.0A and 6.1 do. Since we cannot distinguish 6.0 from 6.0A\r | |
| 462 | // based on just the FADT, we lump 6.0 in with the rest of >= 5.1.\r | |
| 463 | //\r | |
| 464 | if ((Fadt->Header.Revision < 5) ||\r | |
| 465 | ((Fadt->Header.Revision == 5) &&\r | |
| 466 | (((EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE *)Fadt)->MinorVersion == 0))) {\r | |
| 467 | //\r | |
| 468 | // version <= 5.0\r | |
| 469 | //\r | |
| 470 | return FALSE;\r | |
| 471 | }\r | |
| 472 | //\r | |
| 473 | // version >= 5.1\r | |
| 474 | //\r | |
| 475 | return TRUE;\r | |
| 476 | }\r | |
| 477 | \r | |
| 5f55c700 | 478 | /**\r |
| 479 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
| 480 | allocate the correct type of memory and properly align the table.\r | |
| 481 | \r | |
| 482 | @param AcpiTableInstance Instance of the protocol.\r | |
| 483 | @param Table Table to add.\r | |
| 484 | @param Checksum Does the table require checksumming.\r | |
| 485 | @param Version The version of the list to add the table to.\r | |
| 486 | @param Handle Pointer for returning the handle.\r | |
| 487 | \r | |
| 488 | @return EFI_SUCCESS The function completed successfully.\r | |
| 489 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
| 5966402e SZ |
490 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
| 491 | present in the system and platform policy\r | |
| 492 | does not allow duplicate tables of this type.\r | |
| 5f55c700 | 493 | \r |
| 494 | **/\r | |
| 495 | EFI_STATUS\r | |
| 496 | AddTableToList (\r | |
| 497 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 498 | IN VOID *Table,\r | |
| 499 | IN BOOLEAN Checksum,\r | |
| 500 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 501 | OUT UINTN *Handle\r | |
| 502 | )\r | |
| 503 | {\r | |
| 504 | EFI_STATUS Status;\r | |
| 505 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
| 506 | UINT32 CurrentTableSignature;\r | |
| 507 | UINT32 CurrentTableSize;\r | |
| 508 | UINT32 *CurrentRsdtEntry;\r | |
| 509 | VOID *CurrentXsdtEntry;\r | |
| 510 | UINT64 Buffer64;\r | |
| 511 | BOOLEAN AddToRsdt;\r | |
| 512 | \r | |
| 513 | //\r | |
| 514 | // Check for invalid input parameters\r | |
| 515 | //\r | |
| 516 | ASSERT (AcpiTableInstance);\r | |
| 517 | ASSERT (Table);\r | |
| 518 | ASSERT (Handle);\r | |
| 519 | \r | |
| 520 | //\r | |
| 521 | // Init locals\r | |
| 522 | //\r | |
| 523 | AddToRsdt = TRUE;\r | |
| 524 | \r | |
| 525 | //\r | |
| 526 | // Create a new list entry\r | |
| 527 | //\r | |
| 528 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
| 529 | ASSERT (CurrentTableList);\r | |
| 530 | \r | |
| 531 | //\r | |
| 532 | // Determine table type and size\r | |
| 533 | //\r | |
| 534 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
| 535 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
| 536 | \r | |
| 537 | //\r | |
| 538 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
| 539 | // for backwards compatibility with ACPI 1.0 OS.\r | |
| 540 | //\r | |
| 541 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 542 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 543 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 544 | // for convenience of implementation that we force memory below 4GB.\r | |
| 545 | //\r | |
| 546 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r | |
| 547 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r | |
| 548 | \r | |
| 549 | //\r | |
| 550 | // Allocation memory type depends on the type of the table\r | |
| 551 | //\r | |
| 36d58153 JY |
552 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || \r |
| 553 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r | |
| 5f55c700 | 554 | //\r |
| 555 | // Allocate memory for the FACS. This structure must be aligned\r | |
| 556 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
| 557 | // Using AllocatePages should ensure that it is always aligned.\r | |
| 36d58153 JY |
558 | // Do not change signature for new ACPI version because they are same.\r |
| 559 | //\r | |
| 560 | // UEFI table also need to be in ACPI NVS memory, because some data field\r | |
| 561 | // could be updated by OS present agent. For example, BufferPtrAddress in\r | |
| 562 | // SMM communication ACPI table.\r | |
| 5f55c700 | 563 | //\r |
| 564 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
| 565 | Status = gBS->AllocatePages (\r | |
| 566 | AllocateMaxAddress,\r | |
| 567 | EfiACPIMemoryNVS,\r | |
| 568 | CurrentTableList->NumberOfPages,\r | |
| 569 | &CurrentTableList->PageAddress\r | |
| 570 | );\r | |
| 571 | } else {\r | |
| 572 | //\r | |
| 573 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
| 574 | //\r | |
| 575 | Status = gBS->AllocatePages (\r | |
| f9bbb8d9 | 576 | mAcpiTableAllocType,\r |
| 5f55c700 | 577 | EfiACPIReclaimMemory,\r |
| 578 | CurrentTableList->NumberOfPages,\r | |
| 579 | &CurrentTableList->PageAddress\r | |
| 580 | );\r | |
| 581 | }\r | |
| 582 | //\r | |
| 583 | // Check return value from memory alloc.\r | |
| 584 | //\r | |
| 585 | if (EFI_ERROR (Status)) {\r | |
| 586 | gBS->FreePool (CurrentTableList);\r | |
| 587 | return EFI_OUT_OF_RESOURCES;\r | |
| 588 | }\r | |
| 589 | //\r | |
| 590 | // Update the table pointer with the allocated memory start\r | |
| 591 | //\r | |
| 592 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r | |
| 593 | \r | |
| 594 | //\r | |
| 595 | // Initialize the table contents\r | |
| 596 | //\r | |
| 597 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
| 598 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
| 599 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r | |
| 600 | *Handle = CurrentTableList->Handle;\r | |
| 601 | CurrentTableList->Version = Version;\r | |
| 602 | \r | |
| 603 | //\r | |
| 604 | // Update internal pointers if this is a required table. If it is a required\r | |
| 605 | // table and a table of that type already exists, return an error.\r | |
| 606 | //\r | |
| 607 | // Calculate the checksum if the table is not FACS.\r | |
| 608 | //\r | |
| 609 | switch (CurrentTableSignature) {\r | |
| 610 | \r | |
| 611 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 612 | //\r | |
| 613 | // We don't add the FADT in the standard way because some\r | |
| 614 | // OS expect the FADT to be early in the table list.\r | |
| 615 | // So we always add it as the first element in the list.\r | |
| 616 | //\r | |
| 617 | AddToRsdt = FALSE;\r | |
| 618 | \r | |
| 619 | //\r | |
| 620 | // Check that the table has not been previously added.\r | |
| 621 | //\r | |
| 622 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r | |
| f0071740 | 623 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r |
| 5f55c700 | 624 | ) {\r |
| 625 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 626 | gBS->FreePool (CurrentTableList);\r | |
| 5966402e | 627 | return EFI_ACCESS_DENIED;\r |
| 5f55c700 | 628 | }\r |
| 629 | //\r | |
| 630 | // Add the table to the appropriate table version\r | |
| 631 | //\r | |
| 632 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 633 | //\r | |
| 634 | // Save a pointer to the table\r | |
| 635 | //\r | |
| 636 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
| 637 | \r | |
| 638 | //\r | |
| 639 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
| 640 | //\r | |
| 641 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
| 642 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
| 643 | \r | |
| 644 | //\r | |
| 645 | // RSDP OEM information is updated to match the FADT OEM information\r | |
| 646 | //\r | |
| 647 | CopyMem (\r | |
| 648 | &AcpiTableInstance->Rsdp1->OemId,\r | |
| 649 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
| 650 | 6\r | |
| 651 | );\r | |
| 652 | \r | |
| 653 | //\r | |
| 654 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
| 655 | //\r | |
| 656 | CopyMem (\r | |
| 657 | &AcpiTableInstance->Rsdt1->OemId,\r | |
| 658 | &AcpiTableInstance->Fadt1->Header.OemId,\r | |
| 659 | 6\r | |
| 660 | );\r | |
| 661 | \r | |
| 662 | CopyMem (\r | |
| 663 | &AcpiTableInstance->Rsdt1->OemTableId,\r | |
| 664 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r | |
| 665 | sizeof (UINT64)\r | |
| 666 | );\r | |
| 667 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r | |
| 668 | }\r | |
| 669 | \r | |
| f0071740 | 670 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 671 | //\r |
| 672 | // Save a pointer to the table\r | |
| 673 | //\r | |
| 674 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
| 675 | \r | |
| 676 | //\r | |
| 677 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
| c93776c2 JY |
678 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r |
| 679 | // vice-versa.\r | |
| 5f55c700 | 680 | //\r |
| 10342a64 | 681 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
| c93776c2 | 682 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
| f798e8bf | 683 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
| c93776c2 JY |
684 | } else {\r |
| 685 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
| 686 | CopyMem (\r | |
| 687 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
| 688 | &Buffer64,\r | |
| 689 | sizeof (UINT64)\r | |
| 690 | );\r | |
| f798e8bf | 691 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
| c93776c2 | 692 | }\r |
| f9bbb8d9 | 693 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
| 9886ebfe | 694 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
| 198a46d7 LE |
695 | if (RequireDsdtXDsdtExclusion (AcpiTableInstance->Fadt3)) {\r |
| 696 | Buffer64 = 0;\r | |
| 697 | } else {\r | |
| 698 | Buffer64 = AcpiTableInstance->Fadt3->Dsdt;\r | |
| 699 | }\r | |
| f9bbb8d9 | 700 | } else {\r |
| f9bbb8d9 | 701 | AcpiTableInstance->Fadt3->Dsdt = 0;\r |
| 9886ebfe | 702 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r |
| f9bbb8d9 | 703 | }\r |
| 198a46d7 | 704 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
| 5f55c700 | 705 | \r |
| f0c855b2 | 706 | //\r |
| 707 | // RSDP OEM information is updated to match the FADT OEM information\r | |
| 708 | //\r | |
| 709 | CopyMem (\r | |
| 710 | &AcpiTableInstance->Rsdp3->OemId,\r | |
| 711 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
| 712 | 6\r | |
| 713 | );\r | |
| 714 | \r | |
| f9bbb8d9 AB |
715 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 716 | //\r | |
| 717 | // RSDT OEM information is updated to match FADT OEM information.\r | |
| 718 | //\r | |
| 719 | CopyMem (\r | |
| 720 | &AcpiTableInstance->Rsdt3->OemId,\r | |
| 721 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
| 722 | 6\r | |
| 723 | );\r | |
| 724 | CopyMem (\r | |
| 725 | &AcpiTableInstance->Rsdt3->OemTableId,\r | |
| 726 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
| 727 | sizeof (UINT64)\r | |
| 728 | );\r | |
| 729 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
| 730 | }\r | |
| 731 | \r | |
| f0c855b2 | 732 | //\r |
| 733 | // XSDT OEM information is updated to match FADT OEM information.\r | |
| 734 | //\r | |
| 735 | CopyMem (\r | |
| 736 | &AcpiTableInstance->Xsdt->OemId,\r | |
| 737 | &AcpiTableInstance->Fadt3->Header.OemId,\r | |
| 738 | 6\r | |
| 739 | );\r | |
| 740 | CopyMem (\r | |
| 741 | &AcpiTableInstance->Xsdt->OemTableId,\r | |
| 742 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r | |
| 743 | sizeof (UINT64)\r | |
| 744 | );\r | |
| 745 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r | |
| 5f55c700 | 746 | } \r |
| 747 | //\r | |
| 748 | // Checksum the table\r | |
| 749 | //\r | |
| 750 | if (Checksum) {\r | |
| 751 | AcpiPlatformChecksum (\r | |
| 752 | CurrentTableList->Table,\r | |
| 753 | CurrentTableList->Table->Length,\r | |
| 754 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 755 | Checksum)\r | |
| 756 | );\r | |
| 757 | }\r | |
| 758 | break;\r | |
| 759 | \r | |
| 760 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
| 761 | //\r | |
| 762 | // Check that the table has not been previously added.\r | |
| 763 | //\r | |
| 764 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r | |
| f0071740 | 765 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r |
| 5f55c700 | 766 | ) {\r |
| 767 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 768 | gBS->FreePool (CurrentTableList);\r | |
| 5966402e | 769 | return EFI_ACCESS_DENIED;\r |
| 5f55c700 | 770 | }\r |
| 771 | //\r | |
| 772 | // FACS is referenced by FADT and is not part of RSDT\r | |
| 773 | //\r | |
| 774 | AddToRsdt = FALSE;\r | |
| 775 | \r | |
| 776 | //\r | |
| 777 | // Add the table to the appropriate table version\r | |
| 778 | //\r | |
| 779 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 780 | //\r | |
| 781 | // Save a pointer to the table\r | |
| 782 | //\r | |
| 783 | AcpiTableInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
| 784 | \r | |
| 785 | //\r | |
| 786 | // If FADT already exists, update table pointers.\r | |
| 787 | //\r | |
| 788 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
| 789 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r | |
| 790 | \r | |
| 791 | //\r | |
| 792 | // Checksum FADT table\r | |
| 793 | //\r | |
| 794 | AcpiPlatformChecksum (\r | |
| 795 | AcpiTableInstance->Fadt1,\r | |
| 796 | AcpiTableInstance->Fadt1->Header.Length,\r | |
| 797 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 798 | Checksum)\r | |
| 799 | );\r | |
| 800 | }\r | |
| 801 | }\r | |
| 802 | \r | |
| f0071740 | 803 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 804 | //\r |
| 805 | // Save a pointer to the table\r | |
| 806 | //\r | |
| 807 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
| 808 | \r | |
| 809 | //\r | |
| 810 | // If FADT already exists, update table pointers.\r | |
| 811 | //\r | |
| 812 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
| c93776c2 JY |
813 | //\r |
| 814 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r | |
| 815 | // vice-versa.\r | |
| 816 | //\r | |
| 10342a64 | 817 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
| c93776c2 | 818 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
| f798e8bf | 819 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
| c93776c2 JY |
820 | } else {\r |
| 821 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r | |
| 822 | CopyMem (\r | |
| 823 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r | |
| 824 | &Buffer64,\r | |
| 825 | sizeof (UINT64)\r | |
| 826 | );\r | |
| f798e8bf | 827 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
| c93776c2 | 828 | }\r |
| 5f55c700 | 829 | \r |
| 830 | //\r | |
| 831 | // Checksum FADT table\r | |
| 832 | //\r | |
| 833 | AcpiPlatformChecksum (\r | |
| 834 | AcpiTableInstance->Fadt3,\r | |
| 835 | AcpiTableInstance->Fadt3->Header.Length,\r | |
| 836 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 837 | Checksum)\r | |
| 838 | );\r | |
| 839 | }\r | |
| 840 | }\r | |
| 841 | \r | |
| 842 | break;\r | |
| 843 | \r | |
| 844 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 845 | //\r | |
| 846 | // Check that the table has not been previously added.\r | |
| 847 | //\r | |
| 848 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r | |
| f0071740 | 849 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r |
| 5f55c700 | 850 | ) {\r |
| 851 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 852 | gBS->FreePool (CurrentTableList);\r | |
| 5966402e | 853 | return EFI_ACCESS_DENIED;\r |
| 5f55c700 | 854 | }\r |
| 855 | //\r | |
| 856 | // DSDT is referenced by FADT and is not part of RSDT\r | |
| 857 | //\r | |
| 858 | AddToRsdt = FALSE;\r | |
| 859 | \r | |
| 860 | //\r | |
| 861 | // Add the table to the appropriate table version\r | |
| 862 | //\r | |
| 863 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 864 | //\r | |
| 865 | // Save a pointer to the table\r | |
| 866 | //\r | |
| 867 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
| 868 | \r | |
| 869 | //\r | |
| 870 | // If FADT already exists, update table pointers.\r | |
| 871 | //\r | |
| 872 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
| 873 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r | |
| 874 | \r | |
| 875 | //\r | |
| 876 | // Checksum FADT table\r | |
| 877 | //\r | |
| 878 | AcpiPlatformChecksum (\r | |
| 879 | AcpiTableInstance->Fadt1,\r | |
| 880 | AcpiTableInstance->Fadt1->Header.Length,\r | |
| 881 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 882 | Checksum)\r | |
| 883 | );\r | |
| 884 | }\r | |
| 885 | }\r | |
| 886 | \r | |
| f0071740 | 887 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 888 | //\r |
| 889 | // Save a pointer to the table\r | |
| 890 | //\r | |
| 891 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
| 892 | \r | |
| 893 | //\r | |
| 894 | // If FADT already exists, update table pointers.\r | |
| 895 | //\r | |
| 896 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
| f9bbb8d9 | 897 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
| 9886ebfe | 898 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
| 198a46d7 LE |
899 | if (RequireDsdtXDsdtExclusion (AcpiTableInstance->Fadt3)) {\r |
| 900 | Buffer64 = 0;\r | |
| 901 | } else {\r | |
| 902 | Buffer64 = AcpiTableInstance->Fadt3->Dsdt;\r | |
| 903 | }\r | |
| 904 | } else {\r | |
| 905 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
| 906 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r | |
| f9bbb8d9 | 907 | }\r |
| 9886ebfe | 908 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
| 5f55c700 | 909 | \r |
| 910 | //\r | |
| 911 | // Checksum FADT table\r | |
| 912 | //\r | |
| 913 | AcpiPlatformChecksum (\r | |
| 914 | AcpiTableInstance->Fadt3,\r | |
| 915 | AcpiTableInstance->Fadt3->Header.Length,\r | |
| 916 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 917 | Checksum)\r | |
| 918 | );\r | |
| 919 | }\r | |
| 920 | } \r | |
| 921 | //\r | |
| 922 | // Checksum the table\r | |
| 923 | //\r | |
| 924 | if (Checksum) {\r | |
| 925 | AcpiPlatformChecksum (\r | |
| 926 | CurrentTableList->Table,\r | |
| 927 | CurrentTableList->Table->Length,\r | |
| 928 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 929 | Checksum)\r | |
| 930 | );\r | |
| 931 | }\r | |
| 932 | break;\r | |
| 933 | \r | |
| 934 | default:\r | |
| 935 | //\r | |
| 936 | // Checksum the table\r | |
| 937 | //\r | |
| 938 | if (Checksum) {\r | |
| 939 | AcpiPlatformChecksum (\r | |
| 940 | CurrentTableList->Table,\r | |
| 941 | CurrentTableList->Table->Length,\r | |
| 942 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 943 | Checksum)\r | |
| 944 | );\r | |
| 945 | }\r | |
| 946 | break;\r | |
| 947 | }\r | |
| 948 | //\r | |
| 949 | // Add the table to the current list of tables\r | |
| 950 | //\r | |
| 951 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r | |
| 952 | \r | |
| 953 | //\r | |
| 954 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
| 955 | //\r | |
| 956 | //\r | |
| 957 | // Add to ACPI 1.0b table tree\r | |
| 958 | //\r | |
| 959 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 5f55c700 | 960 | if (AddToRsdt) {\r |
| 961 | //\r | |
| da935a5c | 962 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
| 5f55c700 | 963 | //\r |
| da935a5c | 964 | if (AcpiTableInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r |
| 965 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
| 966 | ASSERT_EFI_ERROR (Status);\r | |
| 967 | }\r | |
| 5f55c700 | 968 | CurrentRsdtEntry = (UINT32 *)\r |
| 969 | (\r | |
| da935a5c | 970 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r |
| 5f55c700 | 971 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
| da935a5c | 972 | AcpiTableInstance->NumberOfTableEntries1 *\r |
| 5f55c700 | 973 | sizeof (UINT32)\r |
| 974 | );\r | |
| 975 | \r | |
| 976 | //\r | |
| da935a5c | 977 | // Add entry to the RSDT unless its the FACS or DSDT\r |
| 5f55c700 | 978 | //\r |
| 979 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
| 980 | \r | |
| 981 | //\r | |
| 982 | // Update RSDT length\r | |
| 983 | //\r | |
| da935a5c | 984 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r |
| 5f55c700 | 985 | \r |
| da935a5c | 986 | AcpiTableInstance->NumberOfTableEntries1++;\r |
| 987 | }\r | |
| 988 | }\r | |
| 989 | //\r | |
| 990 | // Add to ACPI 2.0/3.0 table tree\r | |
| 991 | //\r | |
| f0071740 | 992 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| f9bbb8d9 AB |
993 | if (AddToRsdt) {\r |
| 994 | //\r | |
| 995 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
| 996 | //\r | |
| 997 | if (AcpiTableInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r | |
| 998 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r | |
| 999 | ASSERT_EFI_ERROR (Status);\r | |
| 1000 | }\r | |
| 1001 | \r | |
| 1002 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1003 | //\r | |
| 1004 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
| 1005 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
| 1006 | //\r | |
| 1007 | CurrentRsdtEntry = (UINT32 *)\r | |
| da935a5c | 1008 | (\r |
| 1009 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r | |
| 1010 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
| 1011 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
| 1012 | sizeof (UINT32)\r | |
| 1013 | );\r | |
| 3a61de23 AB |
1014 | \r |
| 1015 | //\r | |
| 1016 | // Add entry to the RSDT\r | |
| 1017 | //\r | |
| 1018 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
| 1019 | \r | |
| 1020 | //\r | |
| 1021 | // Update RSDT length\r | |
| 1022 | //\r | |
| 1023 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r | |
| f9bbb8d9 | 1024 | }\r |
| da935a5c | 1025 | \r |
| f9bbb8d9 AB |
1026 | //\r |
| 1027 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
| 1028 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
| 1029 | //\r | |
| 1030 | CurrentXsdtEntry = (VOID *)\r | |
| 1031 | (\r | |
| 1032 | (UINT8 *) AcpiTableInstance->Xsdt +\r | |
| 1033 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
| 1034 | AcpiTableInstance->NumberOfTableEntries3 *\r | |
| 1035 | sizeof (UINT64)\r | |
| 1036 | );\r | |
| da935a5c | 1037 | \r |
| f9bbb8d9 AB |
1038 | //\r |
| 1039 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
| 1040 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
| 1041 | //\r | |
| 1042 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
| 1043 | CopyMem (\r | |
| 1044 | CurrentXsdtEntry,\r | |
| 1045 | &Buffer64,\r | |
| 1046 | sizeof (UINT64)\r | |
| 1047 | );\r | |
| da935a5c | 1048 | \r |
| f9bbb8d9 AB |
1049 | //\r |
| 1050 | // Update length\r | |
| 1051 | //\r | |
| 1052 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r | |
| 1053 | \r | |
| 1054 | AcpiTableInstance->NumberOfTableEntries3++;\r | |
| 5f55c700 | 1055 | }\r |
| 5f55c700 | 1056 | }\r |
| 1057 | \r | |
| 1058 | ChecksumCommonTables (AcpiTableInstance);\r | |
| 1059 | return EFI_SUCCESS;\r | |
| 1060 | }\r | |
| 1061 | \r | |
| 1062 | \r | |
| 1063 | /**\r | |
| 1064 | This function finds the table specified by the handle and returns a pointer to it.\r | |
| 1065 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
| 1066 | undefined.\r | |
| 1067 | \r | |
| 1068 | @param Handle Table to find.\r | |
| 1069 | @param TableList Table list to search\r | |
| 1070 | @param Table Pointer to table found. \r | |
| 1071 | \r | |
| 1072 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1073 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
| 1074 | \r | |
| 1075 | **/\r | |
| 1076 | EFI_STATUS\r | |
| 1077 | FindTableByHandle (\r | |
| 1078 | IN UINTN Handle,\r | |
| 1079 | IN LIST_ENTRY *TableList,\r | |
| 1080 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
| 1081 | )\r | |
| 1082 | {\r | |
| 1083 | LIST_ENTRY *CurrentLink;\r | |
| 1084 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
| 1085 | \r | |
| 1086 | //\r | |
| 1087 | // Check for invalid input parameters\r | |
| 1088 | //\r | |
| 1089 | ASSERT (Table);\r | |
| 1090 | \r | |
| 1091 | //\r | |
| 1092 | // Find the table\r | |
| 1093 | //\r | |
| 1094 | CurrentLink = TableList->ForwardLink;\r | |
| 1095 | \r | |
| 1096 | while (CurrentLink != TableList) {\r | |
| 1097 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
| 1098 | if (CurrentTable->Handle == Handle) {\r | |
| 1099 | //\r | |
| 1100 | // Found handle, so return this table.\r | |
| 1101 | //\r | |
| 1102 | *Table = CurrentTable;\r | |
| 1103 | return EFI_SUCCESS;\r | |
| 1104 | }\r | |
| 1105 | \r | |
| 1106 | CurrentLink = CurrentLink->ForwardLink;\r | |
| 1107 | }\r | |
| 1108 | //\r | |
| 1109 | // Table not found\r | |
| 1110 | //\r | |
| 1111 | return EFI_NOT_FOUND;\r | |
| 1112 | }\r | |
| 1113 | \r | |
| 1114 | \r | |
| 1115 | /**\r | |
| 1116 | This function removes a basic table from the RSDT and/or XSDT.\r | |
| 1117 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
| 1118 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
| 1119 | \r | |
| 1120 | @param Table Pointer to table found. \r | |
| 1121 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r | |
| 1122 | @param Rsdt Pointer to the RSDT to remove from\r | |
| 1123 | @param Xsdt Pointer to the Xsdt to remove from\r | |
| 1124 | \r | |
| 1125 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1126 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
| 1127 | \r | |
| 1128 | **/\r | |
| 1129 | EFI_STATUS\r | |
| 1130 | RemoveTableFromRsdt (\r | |
| 1131 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
| 1132 | IN OUT UINTN *NumberOfTableEntries,\r | |
| f9bbb8d9 | 1133 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt OPTIONAL,\r |
| 5f55c700 | 1134 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r |
| 1135 | )\r | |
| 1136 | {\r | |
| 1137 | UINT32 *CurrentRsdtEntry;\r | |
| 1138 | VOID *CurrentXsdtEntry;\r | |
| 1139 | UINT64 CurrentTablePointer64;\r | |
| 1140 | UINTN Index;\r | |
| 1141 | \r | |
| 1142 | //\r | |
| 1143 | // Check for invalid input parameters\r | |
| 1144 | //\r | |
| 1145 | ASSERT (Table);\r | |
| 1146 | ASSERT (NumberOfTableEntries);\r | |
| f9bbb8d9 | 1147 | ASSERT (Rsdt || Xsdt);\r |
| 5f55c700 | 1148 | \r |
| 1149 | //\r | |
| 1150 | // Find the table entry in the RSDT and XSDT\r | |
| 1151 | //\r | |
| 1152 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r | |
| 1153 | //\r | |
| 1154 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
| 1155 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
| 1156 | //\r | |
| f9bbb8d9 AB |
1157 | if (Rsdt != NULL) {\r |
| 1158 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r | |
| 1159 | } else {\r | |
| 1160 | CurrentRsdtEntry = NULL;\r | |
| 1161 | }\r | |
| 5f55c700 | 1162 | if (Xsdt != NULL) {\r |
| 1163 | //\r | |
| 1164 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
| 1165 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
| 1166 | //\r | |
| 1167 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r | |
| 1168 | \r | |
| 1169 | //\r | |
| 1170 | // Read the entry value out of the XSDT\r | |
| 1171 | //\r | |
| 1172 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
| 1173 | } else {\r | |
| 1174 | //\r | |
| 1175 | // Initialize to NULL\r | |
| 1176 | //\r | |
| 1177 | CurrentXsdtEntry = 0;\r | |
| 1178 | CurrentTablePointer64 = 0;\r | |
| 1179 | }\r | |
| 1180 | //\r | |
| 1181 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
| 1182 | //\r | |
| efef6ad6 | 1183 | if (((Rsdt == NULL) || *CurrentRsdtEntry == (UINT32) (UINTN) Table->Table) &&\r |
| 5f55c700 | 1184 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r |
| 1185 | ) {\r | |
| 1186 | //\r | |
| 1187 | // Found entry, so copy all following entries and shrink table\r | |
| 1188 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
| 1189 | // the last entry.\r | |
| 1190 | //\r | |
| f9bbb8d9 AB |
1191 | if (Rsdt != NULL) {\r |
| 1192 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r | |
| 1193 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
| 1194 | }\r | |
| 5f55c700 | 1195 | if (Xsdt != NULL) {\r |
| 1196 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r | |
| 1197 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
| 1198 | }\r | |
| 1199 | break;\r | |
| 1200 | } else if (Index + 1 == *NumberOfTableEntries) {\r | |
| 1201 | //\r | |
| 1202 | // At the last entry, and table not found\r | |
| 1203 | //\r | |
| 1204 | return EFI_INVALID_PARAMETER;\r | |
| 1205 | }\r | |
| 1206 | }\r | |
| 1207 | //\r | |
| 1208 | // Checksum the tables\r | |
| 1209 | //\r | |
| f9bbb8d9 AB |
1210 | if (Rsdt != NULL) {\r |
| 1211 | AcpiPlatformChecksum (\r | |
| 1212 | Rsdt,\r | |
| 1213 | Rsdt->Length,\r | |
| 1214 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1215 | Checksum)\r | |
| 1216 | );\r | |
| 1217 | }\r | |
| 5f55c700 | 1218 | \r |
| 1219 | if (Xsdt != NULL) {\r | |
| 1220 | AcpiPlatformChecksum (\r | |
| 1221 | Xsdt,\r | |
| 1222 | Xsdt->Length,\r | |
| 1223 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1224 | Checksum)\r | |
| 1225 | );\r | |
| 1226 | }\r | |
| 1227 | //\r | |
| 1228 | // Decrement the number of tables\r | |
| 1229 | //\r | |
| 1230 | (*NumberOfTableEntries)--;\r | |
| 1231 | \r | |
| 1232 | return EFI_SUCCESS;\r | |
| 1233 | }\r | |
| 1234 | \r | |
| 1235 | \r | |
| 1236 | /**\r | |
| 1237 | This function removes a table and frees any associated memory.\r | |
| 1238 | \r | |
| 1239 | @param AcpiTableInstance Instance of the protocol.\r | |
| 1240 | @param Version Version(s) to delete.\r | |
| 1241 | @param Table Pointer to table found.\r | |
| 1242 | \r | |
| 1243 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1244 | \r | |
| 1245 | **/\r | |
| 1246 | EFI_STATUS\r | |
| 1247 | DeleteTable (\r | |
| 1248 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 1249 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 1250 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
| 1251 | )\r | |
| 1252 | {\r | |
| 1253 | UINT32 CurrentTableSignature;\r | |
| 1254 | BOOLEAN RemoveFromRsdt;\r | |
| 1255 | \r | |
| 1256 | //\r | |
| 1257 | // Check for invalid input parameters\r | |
| 1258 | //\r | |
| 1259 | ASSERT (AcpiTableInstance);\r | |
| 1260 | ASSERT (Table);\r | |
| 1261 | \r | |
| 1262 | //\r | |
| 1263 | // Init locals\r | |
| 1264 | //\r | |
| 1265 | RemoveFromRsdt = TRUE;\r | |
| 6198c346 | 1266 | //\r |
| 1267 | // Check for Table->Table\r | |
| 1268 | //\r | |
| 1269 | ASSERT (Table->Table != NULL);\r | |
| 5f55c700 | 1270 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
| 1271 | \r | |
| 1272 | //\r | |
| 1273 | // Basic tasks to accomplish delete are:\r | |
| 1274 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
| 1275 | // Remove entry from RSDT/XSDT\r | |
| 1276 | // Remove any table references to the table\r | |
| 1277 | // If no one is using the table\r | |
| 1278 | // Free the table (removing pointers from private data and tables)\r | |
| 1279 | // Remove from list\r | |
| 1280 | // Free list structure\r | |
| 1281 | //\r | |
| 1282 | //\r | |
| 1283 | // Determine if this table is in the RSDT or XSDT\r | |
| 1284 | //\r | |
| 1285 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 1286 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
| 1287 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
| 1288 | ) {\r | |
| 1289 | RemoveFromRsdt = FALSE;\r | |
| 1290 | }\r | |
| 1291 | //\r | |
| 1292 | // We don't remove the FADT in the standard way because some\r | |
| 1293 | // OS expect the FADT to be early in the table list.\r | |
| 1294 | // So we always put it as the first element in the list.\r | |
| 1295 | //\r | |
| 1296 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
| 1297 | RemoveFromRsdt = FALSE;\r | |
| 1298 | }\r | |
| 1299 | \r | |
| 1300 | //\r | |
| 1301 | // Remove the table from RSDT and XSDT\r | |
| 1302 | //\r | |
| 1303 | if (Table->Table != NULL) {\r | |
| 1304 | //\r | |
| 1305 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
| 1306 | //\r | |
| 1307 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
| 1308 | //\r | |
| 1309 | // Remove this version from the table\r | |
| 1310 | //\r | |
| 1311 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
| 1312 | }\r | |
| 1313 | \r | |
| 1314 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
| 1315 | //\r | |
| 1316 | // Remove this version from the table\r | |
| 1317 | //\r | |
| 1318 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
| 1319 | \r | |
| 1320 | //\r | |
| 1321 | // Remove from Rsdt. We don't care about the return value because it is\r | |
| 1322 | // acceptable for the table to not exist in Rsdt.\r | |
| 1323 | // We didn't add some tables so we don't remove them.\r | |
| 1324 | //\r | |
| 1325 | if (RemoveFromRsdt) {\r | |
| 1326 | RemoveTableFromRsdt (\r | |
| 1327 | Table,\r | |
| 1328 | &AcpiTableInstance->NumberOfTableEntries1,\r | |
| 1329 | AcpiTableInstance->Rsdt1,\r | |
| 1330 | NULL\r | |
| 1331 | );\r | |
| 1332 | }\r | |
| 1333 | }\r | |
| 1334 | \r | |
| f0071740 | 1335 | if (Version & ACPI_TABLE_VERSION_GTE_2_0 & Table->Version) {\r |
| 5f55c700 | 1336 | //\r |
| 1337 | // Remove this version from the table\r | |
| 1338 | //\r | |
| f0071740 | 1339 | Table->Version = Table->Version &~(Version & ACPI_TABLE_VERSION_GTE_2_0);\r |
| 5f55c700 | 1340 | \r |
| 1341 | //\r | |
| 1342 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
| 1343 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
| 1344 | // We didn't add some tables so we don't remove them.\r | |
| 1345 | //\r | |
| 1346 | if (RemoveFromRsdt) {\r | |
| 1347 | RemoveTableFromRsdt (\r | |
| 1348 | Table,\r | |
| 1349 | &AcpiTableInstance->NumberOfTableEntries3,\r | |
| 1350 | AcpiTableInstance->Rsdt3,\r | |
| 1351 | AcpiTableInstance->Xsdt\r | |
| 1352 | );\r | |
| 1353 | }\r | |
| 1354 | } \r | |
| 1355 | //\r | |
| 1356 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
| 1357 | //\r | |
| 1358 | switch (Table->Table->Signature) {\r | |
| 1359 | \r | |
| 1360 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 1361 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1362 | AcpiTableInstance->Fadt1 = NULL;\r | |
| 1363 | }\r | |
| 1364 | \r | |
| f0071740 | 1365 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 1366 | AcpiTableInstance->Fadt3 = NULL;\r |
| 1367 | }\r | |
| 1368 | break;\r | |
| 1369 | \r | |
| 1370 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
| 1371 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1372 | AcpiTableInstance->Facs1 = NULL;\r | |
| 1373 | \r | |
| 1374 | //\r | |
| 1375 | // Update FADT table pointers\r | |
| 1376 | //\r | |
| 1377 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
| 1378 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r | |
| 1379 | \r | |
| 1380 | //\r | |
| 1381 | // Checksum table\r | |
| 1382 | //\r | |
| 1383 | AcpiPlatformChecksum (\r | |
| 1384 | AcpiTableInstance->Fadt1,\r | |
| 1385 | AcpiTableInstance->Fadt1->Header.Length,\r | |
| 1386 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1387 | Checksum)\r | |
| 1388 | );\r | |
| 1389 | }\r | |
| 1390 | }\r | |
| 1391 | \r | |
| f0071740 | 1392 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 1393 | AcpiTableInstance->Facs3 = NULL;\r |
| 1394 | \r | |
| 1395 | //\r | |
| 1396 | // Update FADT table pointers\r | |
| 1397 | //\r | |
| 1398 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
| 1399 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r | |
| 1400 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
| 1401 | \r | |
| 1402 | //\r | |
| 1403 | // Checksum table\r | |
| 1404 | //\r | |
| 1405 | AcpiPlatformChecksum (\r | |
| 1406 | AcpiTableInstance->Fadt3,\r | |
| 1407 | AcpiTableInstance->Fadt3->Header.Length,\r | |
| 1408 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1409 | Checksum)\r | |
| 1410 | );\r | |
| 1411 | }\r | |
| 1412 | } \r | |
| 1413 | break;\r | |
| 1414 | \r | |
| 1415 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 1416 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1417 | AcpiTableInstance->Dsdt1 = NULL;\r | |
| 1418 | \r | |
| 1419 | //\r | |
| 1420 | // Update FADT table pointers\r | |
| 1421 | //\r | |
| 1422 | if (AcpiTableInstance->Fadt1 != NULL) {\r | |
| 1423 | AcpiTableInstance->Fadt1->Dsdt = 0;\r | |
| 1424 | \r | |
| 1425 | //\r | |
| 1426 | // Checksum table\r | |
| 1427 | //\r | |
| 1428 | AcpiPlatformChecksum (\r | |
| 1429 | AcpiTableInstance->Fadt1,\r | |
| 1430 | AcpiTableInstance->Fadt1->Header.Length,\r | |
| 1431 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1432 | Checksum)\r | |
| 1433 | );\r | |
| 1434 | }\r | |
| 1435 | }\r | |
| 1436 | \r | |
| 1437 | \r | |
| f0071740 | 1438 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| 5f55c700 | 1439 | AcpiTableInstance->Dsdt3 = NULL;\r |
| 1440 | \r | |
| 1441 | //\r | |
| 1442 | // Update FADT table pointers\r | |
| 1443 | //\r | |
| 1444 | if (AcpiTableInstance->Fadt3 != NULL) {\r | |
| 1445 | AcpiTableInstance->Fadt3->Dsdt = 0;\r | |
| 1446 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
| 1447 | \r | |
| 1448 | //\r | |
| 1449 | // Checksum table\r | |
| 1450 | //\r | |
| 1451 | AcpiPlatformChecksum (\r | |
| 1452 | AcpiTableInstance->Fadt3,\r | |
| 1453 | AcpiTableInstance->Fadt3->Header.Length,\r | |
| 1454 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1455 | Checksum)\r | |
| 1456 | );\r | |
| 1457 | }\r | |
| 1458 | }\r | |
| 1459 | break;\r | |
| 1460 | \r | |
| 1461 | default:\r | |
| 1462 | //\r | |
| 1463 | // Do nothing\r | |
| 1464 | //\r | |
| 1465 | break;\r | |
| 1466 | }\r | |
| 1467 | }\r | |
| 1468 | //\r | |
| 1469 | // If no version is using this table anymore, remove and free list entry.\r | |
| 1470 | //\r | |
| 1471 | if (Table->Version == 0) {\r | |
| 1472 | //\r | |
| 1473 | // Free the Table\r | |
| 1474 | //\r | |
| 1475 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r | |
| 1476 | RemoveEntryList (&(Table->Link));\r | |
| 1477 | gBS->FreePool (Table);\r | |
| 1478 | }\r | |
| 1479 | //\r | |
| 1480 | // Done\r | |
| 1481 | //\r | |
| 1482 | return EFI_SUCCESS;\r | |
| 1483 | }\r | |
| 1484 | \r | |
| 1485 | \r | |
| 1486 | /**\r | |
| 1487 | This function finds and removes the table specified by the handle.\r | |
| 1488 | \r | |
| 1489 | @param AcpiTableInstance Instance of the protocol.\r | |
| 1490 | @param Version Bitmask of which versions to remove.\r | |
| 1491 | @param Handle Table to remove.\r | |
| 1492 | \r | |
| 1493 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1494 | @return EFI_ABORTED An error occurred.\r | |
| 1495 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
| 1496 | \r | |
| 1497 | **/\r | |
| 1498 | EFI_STATUS\r | |
| 1499 | RemoveTableFromList (\r | |
| 1500 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r | |
| 1501 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 1502 | IN UINTN Handle\r | |
| 1503 | )\r | |
| 1504 | {\r | |
| 1505 | EFI_ACPI_TABLE_LIST *Table;\r | |
| 1506 | EFI_STATUS Status;\r | |
| 1507 | \r | |
| b474ed49 | 1508 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
| 1509 | \r | |
| 5f55c700 | 1510 | //\r |
| 1511 | // Check for invalid input parameters\r | |
| 1512 | //\r | |
| 1513 | ASSERT (AcpiTableInstance);\r | |
| 1514 | \r | |
| 1515 | //\r | |
| 1516 | // Find the table\r | |
| 1517 | //\r | |
| 1518 | Status = FindTableByHandle (\r | |
| 1519 | Handle,\r | |
| 1520 | &AcpiTableInstance->TableList,\r | |
| 1521 | &Table\r | |
| 1522 | );\r | |
| 1523 | if (EFI_ERROR (Status)) {\r | |
| 1524 | return EFI_NOT_FOUND;\r | |
| 1525 | }\r | |
| 1526 | //\r | |
| 1527 | // Remove the table\r | |
| 1528 | //\r | |
| 1529 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r | |
| 1530 | if (EFI_ERROR (Status)) {\r | |
| 1531 | return EFI_ABORTED;\r | |
| 1532 | }\r | |
| 1533 | //\r | |
| 1534 | // Completed successfully\r | |
| 1535 | //\r | |
| 1536 | return EFI_SUCCESS;\r | |
| 1537 | }\r | |
| 1538 | \r | |
| 1539 | \r | |
| 1540 | /**\r | |
| 1541 | This function calculates and updates an UINT8 checksum.\r | |
| 1542 | \r | |
| 1543 | @param Buffer Pointer to buffer to checksum\r | |
| 1544 | @param Size Number of bytes to checksum\r | |
| 1545 | @param ChecksumOffset Offset to place the checksum result in\r | |
| 1546 | \r | |
| 1547 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1548 | \r | |
| 1549 | **/\r | |
| 1550 | EFI_STATUS\r | |
| 1551 | AcpiPlatformChecksum (\r | |
| 1552 | IN VOID *Buffer,\r | |
| 1553 | IN UINTN Size,\r | |
| 1554 | IN UINTN ChecksumOffset\r | |
| 1555 | )\r | |
| 1556 | {\r | |
| 1557 | UINT8 Sum;\r | |
| 1558 | UINT8 *Ptr;\r | |
| 1559 | \r | |
| 1560 | Sum = 0;\r | |
| 1561 | //\r | |
| 1562 | // Initialize pointer\r | |
| 1563 | //\r | |
| 1564 | Ptr = Buffer;\r | |
| 1565 | \r | |
| 1566 | //\r | |
| 1567 | // set checksum to 0 first\r | |
| 1568 | //\r | |
| 1569 | Ptr[ChecksumOffset] = 0;\r | |
| 1570 | \r | |
| 1571 | //\r | |
| 1572 | // add all content of buffer\r | |
| 1573 | //\r | |
| 1574 | while ((Size--) != 0) {\r | |
| 1575 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
| 1576 | }\r | |
| 1577 | //\r | |
| 1578 | // set checksum\r | |
| 1579 | //\r | |
| 1580 | Ptr = Buffer;\r | |
| 1581 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
| 1582 | \r | |
| 1583 | return EFI_SUCCESS;\r | |
| 1584 | }\r | |
| 1585 | \r | |
| 1586 | \r | |
| 1587 | /**\r | |
| 1588 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
| 1589 | \r | |
| 1590 | @param AcpiTableInstance Protocol instance private data.\r | |
| 1591 | \r | |
| 1592 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1593 | \r | |
| 1594 | **/\r | |
| 1595 | EFI_STATUS\r | |
| 1596 | ChecksumCommonTables (\r | |
| 1597 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
| 1598 | )\r | |
| 1599 | {\r | |
| 1600 | //\r | |
| 1601 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
| 1602 | //\r | |
| f9bbb8d9 AB |
1603 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1604 | AcpiPlatformChecksum (\r | |
| 1605 | AcpiTableInstance->Rsdp1,\r | |
| 1606 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1607 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1608 | Checksum)\r | |
| 1609 | );\r | |
| 1610 | }\r | |
| 5f55c700 | 1611 | \r |
| 1612 | //\r | |
| 1613 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
| 1614 | //\r | |
| 1615 | AcpiPlatformChecksum (\r | |
| 1616 | AcpiTableInstance->Rsdp3,\r | |
| 1617 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1618 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1619 | Checksum)\r | |
| 1620 | );\r | |
| 1621 | \r | |
| 1622 | //\r | |
| 1623 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
| 1624 | //\r | |
| 1625 | AcpiPlatformChecksum (\r | |
| 1626 | AcpiTableInstance->Rsdp3,\r | |
| 1627 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1628 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1629 | ExtendedChecksum)\r | |
| 1630 | );\r | |
| 1631 | \r | |
| f9bbb8d9 AB |
1632 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1633 | //\r | |
| 1634 | // RSDT checksums\r | |
| 1635 | //\r | |
| 1636 | AcpiPlatformChecksum (\r | |
| 1637 | AcpiTableInstance->Rsdt1,\r | |
| 1638 | AcpiTableInstance->Rsdt1->Length,\r | |
| 1639 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1640 | Checksum)\r | |
| 1641 | );\r | |
| 5f55c700 | 1642 | \r |
| f9bbb8d9 AB |
1643 | AcpiPlatformChecksum (\r |
| 1644 | AcpiTableInstance->Rsdt3,\r | |
| 1645 | AcpiTableInstance->Rsdt3->Length,\r | |
| 1646 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1647 | Checksum)\r | |
| 1648 | );\r | |
| 1649 | }\r | |
| 5f55c700 | 1650 | \r |
| 1651 | //\r | |
| 1652 | // XSDT checksum\r | |
| 1653 | //\r | |
| 1654 | AcpiPlatformChecksum (\r | |
| 1655 | AcpiTableInstance->Xsdt,\r | |
| 1656 | AcpiTableInstance->Xsdt->Length,\r | |
| 1657 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1658 | Checksum)\r | |
| 1659 | );\r | |
| 1660 | \r | |
| 1661 | return EFI_SUCCESS;\r | |
| 1662 | }\r | |
| 1663 | \r | |
| 1664 | \r | |
| 1665 | /**\r | |
| 1666 | Constructor for the ACPI table protocol. Initializes instance\r | |
| 1667 | data.\r | |
| 1668 | \r | |
| 1669 | @param AcpiTableInstance Instance to construct\r | |
| 1670 | \r | |
| 1671 | @return EFI_SUCCESS Instance initialized.\r | |
| 1672 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
| 1673 | \r | |
| 1674 | **/\r | |
| 1675 | EFI_STATUS\r | |
| 1676 | AcpiTableAcpiTableConstructor (\r | |
| 1677 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r | |
| 1678 | )\r | |
| 1679 | {\r | |
| 1680 | EFI_STATUS Status;\r | |
| 1681 | UINT64 CurrentData;\r | |
| 1682 | UINTN TotalSize;\r | |
| 37abfb7e | 1683 | UINTN RsdpTableSize;\r |
| 5f55c700 | 1684 | UINT8 *Pointer;\r |
| 1685 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 1686 | \r | |
| 1687 | //\r | |
| 1688 | // Check for invalid input parameters\r | |
| 1689 | //\r | |
| 1690 | ASSERT (AcpiTableInstance);\r | |
| 1691 | \r | |
| f9bbb8d9 AB |
1692 | //\r |
| 1693 | // If ACPI v1.0b is among the ACPI versions we aim to support, we have to\r | |
| 1694 | // ensure that all memory allocations are below 4 GB.\r | |
| 1695 | //\r | |
| 1696 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1697 | mAcpiTableAllocType = AllocateMaxAddress;\r | |
| 1698 | } else {\r | |
| 1699 | mAcpiTableAllocType = AllocateAnyPages;\r | |
| 1700 | }\r | |
| 1701 | \r | |
| 5f55c700 | 1702 | InitializeListHead (&AcpiTableInstance->TableList);\r |
| 1703 | AcpiTableInstance->CurrentHandle = 1;\r | |
| 1704 | \r | |
| 1705 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
| 1706 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
| 3dc8585e JY |
1707 | \r |
| 1708 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r | |
| 1709 | SdtAcpiTableAcpiSdtConstructor (AcpiTableInstance);\r | |
| 1710 | }\r | |
| 1711 | \r | |
| 5f55c700 | 1712 | //\r |
| 37abfb7e LG |
1713 | // Create RSDP table\r |
| 1714 | //\r | |
| f9bbb8d9 AB |
1715 | RsdpTableSize = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| 1716 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1717 | RsdpTableSize += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
| 1718 | }\r | |
| 37abfb7e LG |
1719 | \r |
| 1720 | PageAddress = 0xFFFFFFFF;\r | |
| 1721 | Status = gBS->AllocatePages (\r | |
| f9bbb8d9 | 1722 | mAcpiTableAllocType,\r |
| 37abfb7e LG |
1723 | EfiACPIReclaimMemory,\r |
| 1724 | EFI_SIZE_TO_PAGES (RsdpTableSize),\r | |
| 1725 | &PageAddress\r | |
| 1726 | );\r | |
| 1727 | \r | |
| 1728 | if (EFI_ERROR (Status)) {\r | |
| 1729 | return EFI_OUT_OF_RESOURCES;\r | |
| 1730 | }\r | |
| 1731 | \r | |
| 1732 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 1733 | ZeroMem (Pointer, RsdpTableSize);\r | |
| 1734 | \r | |
| 1735 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
| f9bbb8d9 AB |
1736 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1737 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
| 1738 | }\r | |
| 37abfb7e LG |
1739 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r |
| 1740 | \r | |
| 1741 | //\r | |
| 1742 | // Create RSDT, XSDT structures\r | |
| 5f55c700 | 1743 | //\r |
| f9bbb8d9 | 1744 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| 37abfb7e | 1745 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
| 5f55c700 | 1746 | \r |
| f9bbb8d9 AB |
1747 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1748 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 1749 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 1750 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 1751 | mEfiAcpiMaxNumTables * sizeof (UINT32);\r | |
| 1752 | }\r | |
| 1753 | \r | |
| 5f55c700 | 1754 | //\r |
| 1755 | // Allocate memory in the lower 32 bit of address range for\r | |
| 1756 | // compatibility with ACPI 1.0 OS.\r | |
| 1757 | //\r | |
| 1758 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 1759 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 1760 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 1761 | // for convenience of implementation that we force memory below 4GB.\r | |
| 1762 | //\r | |
| 1763 | PageAddress = 0xFFFFFFFF;\r | |
| 1764 | Status = gBS->AllocatePages (\r | |
| f9bbb8d9 | 1765 | mAcpiTableAllocType,\r |
| 5f55c700 | 1766 | EfiACPIReclaimMemory,\r |
| 1767 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
| 1768 | &PageAddress\r | |
| 1769 | );\r | |
| 1770 | \r | |
| 1771 | if (EFI_ERROR (Status)) {\r | |
| 37abfb7e | 1772 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiTableInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize));\r |
| 5f55c700 | 1773 | return EFI_OUT_OF_RESOURCES;\r |
| 1774 | }\r | |
| 1775 | \r | |
| 1776 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 1777 | ZeroMem (Pointer, TotalSize);\r | |
| 1778 | \r | |
| 5f55c700 | 1779 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| f9bbb8d9 AB |
1780 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1781 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
| 1782 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 1783 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
| 1784 | }\r | |
| 5f55c700 | 1785 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| 1786 | \r | |
| 1787 | //\r | |
| 1788 | // Initialize RSDP\r | |
| 1789 | //\r | |
| f9bbb8d9 AB |
1790 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1791 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
| 1792 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
| 1793 | CopyMem (AcpiTableInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp1->OemId));\r | |
| 1794 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r | |
| 1795 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r | |
| 1796 | }\r | |
| 5f55c700 | 1797 | \r |
| 1798 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
| 1799 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
| e84f07b5 | 1800 | CopyMem (AcpiTableInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp3->OemId));\r |
| 5f55c700 | 1801 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r |
| 5f55c700 | 1802 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| f9bbb8d9 AB |
1803 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1804 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r | |
| 1805 | }\r | |
| 5f55c700 | 1806 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r |
| 1807 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
| 1808 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
| 1809 | \r | |
| f9bbb8d9 AB |
1810 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| 1811 | //\r | |
| 1812 | // Initialize Rsdt\r | |
| 1813 | //\r | |
| 1814 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
| 1815 | // at the beginning of the list of tables. Some OS don't seem\r | |
| 1816 | // to find it correctly if it is too far down the list.\r | |
| 1817 | //\r | |
| 1818 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1819 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1820 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| 1821 | CopyMem (AcpiTableInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt1->OemId));\r | |
| 1822 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 1823 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r | |
| 1824 | AcpiTableInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
| 1825 | AcpiTableInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1826 | AcpiTableInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 1827 | //\r | |
| 1828 | // We always reserve first one for FADT\r | |
| 1829 | //\r | |
| 1830 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r | |
| 1831 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r | |
| 1832 | \r | |
| 1833 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1834 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1835 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| 1836 | CopyMem (AcpiTableInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt3->OemId));\r | |
| 1837 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 1838 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r | |
| 1839 | AcpiTableInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
| 1840 | AcpiTableInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1841 | AcpiTableInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 1842 | //\r | |
| 1843 | // We always reserve first one for FADT\r | |
| 1844 | //\r | |
| 1845 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r | |
| 1846 | }\r | |
| 5f55c700 | 1847 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r |
| 5f55c700 | 1848 | \r |
| 1849 | //\r | |
| 1850 | // Initialize Xsdt\r | |
| 1851 | //\r | |
| 1852 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1853 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1854 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| e84f07b5 SZ |
1855 | CopyMem (AcpiTableInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Xsdt->OemId));\r |
| 1856 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 5f55c700 | 1857 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r |
| e84f07b5 SZ |
1858 | AcpiTableInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| 1859 | AcpiTableInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1860 | AcpiTableInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 5f55c700 | 1861 | //\r |
| 1862 | // We always reserve first one for FADT\r | |
| 1863 | //\r | |
| 1864 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r | |
| 1865 | \r | |
| 1866 | ChecksumCommonTables (AcpiTableInstance);\r | |
| 1867 | \r | |
| 1868 | //\r | |
| 1869 | // Completed successfully\r | |
| 1870 | //\r | |
| 1871 | return EFI_SUCCESS;\r | |
| 1872 | }\r | |
| 1873 | \r |