| | 1 | /** @file\r |
| | 2 | ACPI Table Protocol Implementation\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r |
| | 5 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r |
| | 6 | This program and the accompanying materials\r |
| | 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 |
| | 20 | //\r |
| | 21 | // The maximum number of tables that pre-allocated. \r |
| | 22 | //\r |
| | 23 | UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES; \r |
| | 24 | \r |
| | 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 |
| | 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 |
| | 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 |
| | 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 |
| | 143 | \r |
| | 144 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiTableInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r |
| | 145 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiTableInstance->Fadt3;\r |
| | 146 | }\r |
| | 147 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 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 |
| | 170 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 171 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiTableInstance->Rsdp1);\r |
| | 172 | if (EFI_ERROR (Status)) {\r |
| | 173 | return EFI_ABORTED;\r |
| | 174 | }\r |
| | 175 | }\r |
| | 176 | \r |
| | 177 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 178 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiTableInstance->Rsdp3);\r |
| | 179 | if (EFI_ERROR (Status)) {\r |
| | 180 | return EFI_ABORTED;\r |
| | 181 | }\r |
| | 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 |
| | 190 | Note that the ACPI table should be checksumed before installing it.\r |
| | 191 | Otherwise it will assert.\r |
| | 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 |
| | 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 |
| | 206 | \r |
| | 207 | **/\r |
| | 208 | EFI_STATUS\r |
| | 209 | EFIAPI\r |
| | 210 | InstallAcpiTable (\r |
| | 211 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
| | 212 | IN VOID *AcpiTableBuffer,\r |
| | 213 | IN UINTN AcpiTableBufferSize,\r |
| | 214 | OUT UINTN *TableKey\r |
| | 215 | )\r |
| | 216 | {\r |
| | 217 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance;\r |
| | 218 | EFI_STATUS Status;\r |
| | 219 | VOID *AcpiTableBufferConst;\r |
| | 220 | EFI_ACPI_TABLE_VERSION Version;\r |
| | 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 |
| | 230 | Version = PcdGet32 (PcdAcpiExposedTableVersions);\r |
| | 231 | \r |
| | 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 |
| | 242 | Status = AddTableToList (\r |
| | 243 | AcpiTableInstance,\r |
| | 244 | AcpiTableBufferConst,\r |
| | 245 | TRUE,\r |
| | 246 | Version,\r |
| | 247 | TableKey\r |
| | 248 | );\r |
| | 249 | if (!EFI_ERROR (Status)) {\r |
| | 250 | Status = PublishTables (\r |
| | 251 | AcpiTableInstance,\r |
| | 252 | Version\r |
| | 253 | );\r |
| | 254 | }\r |
| | 255 | FreePool (AcpiTableBufferConst);\r |
| | 256 | \r |
| | 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 |
| | 264 | Version,\r |
| | 265 | *TableKey\r |
| | 266 | );\r |
| | 267 | }\r |
| | 268 | }\r |
| | 269 | \r |
| | 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 |
| | 287 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r |
| | 288 | IN UINTN TableKey\r |
| | 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 |
| | 302 | Status = RemoveTableFromList (\r |
| | 303 | AcpiTableInstance,\r |
| | 304 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0,\r |
| | 305 | TableKey\r |
| | 306 | );\r |
| | 307 | if (!EFI_ERROR (Status)) {\r |
| | 308 | Status = PublishTables (\r |
| | 309 | AcpiTableInstance,\r |
| | 310 | EFI_ACPI_TABLE_VERSION_1_0B | ACPI_TABLE_VERSION_GTE_2_0\r |
| | 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 |
| | 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 |
| | 349 | // Create RSDT, XSDT structures and allocate buffers.\r |
| | 350 | //\r |
| | 351 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| | 352 | NewMaxTableNumber * sizeof (UINT64);\r |
| | 353 | \r |
| | 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 |
| | 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 |
| | 372 | mAcpiTableAllocType,\r |
| | 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 |
| | 385 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| | 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 |
| | 391 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| | 392 | \r |
| | 393 | //\r |
| | 394 | // Update RSDP to point to the new Rsdt and Xsdt address.\r |
| | 395 | //\r |
| | 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 |
| | 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 |
| | 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 |
| | 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 |
| | 415 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| | 416 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
| | 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 |
| | 425 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize));\r |
| | 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 |
| | 433 | /**\r |
| | 434 | This function adds an ACPI table to the table list. It will detect FACS and\r |
| | 435 | allocate the correct type of memory and properly align the table.\r |
| | 436 | \r |
| | 437 | @param AcpiTableInstance Instance of the protocol.\r |
| | 438 | @param Table Table to add.\r |
| | 439 | @param Checksum Does the table require checksumming.\r |
| | 440 | @param Version The version of the list to add the table to.\r |
| | 441 | @param Handle Pointer for returning the handle.\r |
| | 442 | \r |
| | 443 | @return EFI_SUCCESS The function completed successfully.\r |
| | 444 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r |
| | 445 | @retval EFI_ACCESS_DENIED The table signature matches a table already\r |
| | 446 | present in the system and platform policy\r |
| | 447 | does not allow duplicate tables of this type.\r |
| | 448 | \r |
| | 449 | **/\r |
| | 450 | EFI_STATUS\r |
| | 451 | AddTableToList (\r |
| | 452 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r |
| | 453 | IN VOID *Table,\r |
| | 454 | IN BOOLEAN Checksum,\r |
| | 455 | IN EFI_ACPI_TABLE_VERSION Version,\r |
| | 456 | OUT UINTN *Handle\r |
| | 457 | )\r |
| | 458 | {\r |
| | 459 | EFI_STATUS Status;\r |
| | 460 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r |
| | 461 | UINT32 CurrentTableSignature;\r |
| | 462 | UINT32 CurrentTableSize;\r |
| | 463 | UINT32 *CurrentRsdtEntry;\r |
| | 464 | VOID *CurrentXsdtEntry;\r |
| | 465 | UINT64 Buffer64;\r |
| | 466 | BOOLEAN AddToRsdt;\r |
| | 467 | \r |
| | 468 | //\r |
| | 469 | // Check for invalid input parameters\r |
| | 470 | //\r |
| | 471 | ASSERT (AcpiTableInstance);\r |
| | 472 | ASSERT (Table);\r |
| | 473 | ASSERT (Handle);\r |
| | 474 | \r |
| | 475 | //\r |
| | 476 | // Init locals\r |
| | 477 | //\r |
| | 478 | AddToRsdt = TRUE;\r |
| | 479 | \r |
| | 480 | //\r |
| | 481 | // Create a new list entry\r |
| | 482 | //\r |
| | 483 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r |
| | 484 | ASSERT (CurrentTableList);\r |
| | 485 | \r |
| | 486 | //\r |
| | 487 | // Determine table type and size\r |
| | 488 | //\r |
| | 489 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r |
| | 490 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r |
| | 491 | \r |
| | 492 | //\r |
| | 493 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r |
| | 494 | // for backwards compatibility with ACPI 1.0 OS.\r |
| | 495 | //\r |
| | 496 | // This is done because ACPI 1.0 pointers are 32 bit values.\r |
| | 497 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r |
| | 498 | // There is no architectural reason these should be below 4GB, it is purely\r |
| | 499 | // for convenience of implementation that we force memory below 4GB.\r |
| | 500 | //\r |
| | 501 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r |
| | 502 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r |
| | 503 | \r |
| | 504 | //\r |
| | 505 | // Allocation memory type depends on the type of the table\r |
| | 506 | //\r |
| | 507 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || \r |
| | 508 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r |
| | 509 | //\r |
| | 510 | // Allocate memory for the FACS. This structure must be aligned\r |
| | 511 | // on a 64 byte boundary and must be ACPI NVS memory.\r |
| | 512 | // Using AllocatePages should ensure that it is always aligned.\r |
| | 513 | // Do not change signature for new ACPI version because they are same.\r |
| | 514 | //\r |
| | 515 | // UEFI table also need to be in ACPI NVS memory, because some data field\r |
| | 516 | // could be updated by OS present agent. For example, BufferPtrAddress in\r |
| | 517 | // SMM communication ACPI table.\r |
| | 518 | //\r |
| | 519 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r |
| | 520 | Status = gBS->AllocatePages (\r |
| | 521 | AllocateMaxAddress,\r |
| | 522 | EfiACPIMemoryNVS,\r |
| | 523 | CurrentTableList->NumberOfPages,\r |
| | 524 | &CurrentTableList->PageAddress\r |
| | 525 | );\r |
| | 526 | } else {\r |
| | 527 | //\r |
| | 528 | // All other tables are ACPI reclaim memory, no alignment requirements.\r |
| | 529 | //\r |
| | 530 | Status = gBS->AllocatePages (\r |
| | 531 | mAcpiTableAllocType,\r |
| | 532 | EfiACPIReclaimMemory,\r |
| | 533 | CurrentTableList->NumberOfPages,\r |
| | 534 | &CurrentTableList->PageAddress\r |
| | 535 | );\r |
| | 536 | }\r |
| | 537 | //\r |
| | 538 | // Check return value from memory alloc.\r |
| | 539 | //\r |
| | 540 | if (EFI_ERROR (Status)) {\r |
| | 541 | gBS->FreePool (CurrentTableList);\r |
| | 542 | return EFI_OUT_OF_RESOURCES;\r |
| | 543 | }\r |
| | 544 | //\r |
| | 545 | // Update the table pointer with the allocated memory start\r |
| | 546 | //\r |
| | 547 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r |
| | 548 | \r |
| | 549 | //\r |
| | 550 | // Initialize the table contents\r |
| | 551 | //\r |
| | 552 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r |
| | 553 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r |
| | 554 | CurrentTableList->Handle = AcpiTableInstance->CurrentHandle++;\r |
| | 555 | *Handle = CurrentTableList->Handle;\r |
| | 556 | CurrentTableList->Version = Version;\r |
| | 557 | \r |
| | 558 | //\r |
| | 559 | // Update internal pointers if this is a required table. If it is a required\r |
| | 560 | // table and a table of that type already exists, return an error.\r |
| | 561 | //\r |
| | 562 | // Calculate the checksum if the table is not FACS.\r |
| | 563 | //\r |
| | 564 | switch (CurrentTableSignature) {\r |
| | 565 | \r |
| | 566 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r |
| | 567 | //\r |
| | 568 | // We don't add the FADT in the standard way because some\r |
| | 569 | // OS expect the FADT to be early in the table list.\r |
| | 570 | // So we always add it as the first element in the list.\r |
| | 571 | //\r |
| | 572 | AddToRsdt = FALSE;\r |
| | 573 | \r |
| | 574 | //\r |
| | 575 | // Check that the table has not been previously added.\r |
| | 576 | //\r |
| | 577 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Fadt1 != NULL) ||\r |
| | 578 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Fadt3 != NULL)\r |
| | 579 | ) {\r |
| | 580 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r |
| | 581 | gBS->FreePool (CurrentTableList);\r |
| | 582 | return EFI_ACCESS_DENIED;\r |
| | 583 | }\r |
| | 584 | //\r |
| | 585 | // Add the table to the appropriate table version\r |
| | 586 | //\r |
| | 587 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 588 | //\r |
| | 589 | // Save a pointer to the table\r |
| | 590 | //\r |
| | 591 | AcpiTableInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r |
| | 592 | \r |
| | 593 | //\r |
| | 594 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r |
| | 595 | //\r |
| | 596 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r |
| | 597 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r |
| | 598 | \r |
| | 599 | //\r |
| | 600 | // RSDP OEM information is updated to match the FADT OEM information\r |
| | 601 | //\r |
| | 602 | CopyMem (\r |
| | 603 | &AcpiTableInstance->Rsdp1->OemId,\r |
| | 604 | &AcpiTableInstance->Fadt1->Header.OemId,\r |
| | 605 | 6\r |
| | 606 | );\r |
| | 607 | \r |
| | 608 | //\r |
| | 609 | // RSDT OEM information is updated to match the FADT OEM information.\r |
| | 610 | //\r |
| | 611 | CopyMem (\r |
| | 612 | &AcpiTableInstance->Rsdt1->OemId,\r |
| | 613 | &AcpiTableInstance->Fadt1->Header.OemId,\r |
| | 614 | 6\r |
| | 615 | );\r |
| | 616 | \r |
| | 617 | CopyMem (\r |
| | 618 | &AcpiTableInstance->Rsdt1->OemTableId,\r |
| | 619 | &AcpiTableInstance->Fadt1->Header.OemTableId,\r |
| | 620 | sizeof (UINT64)\r |
| | 621 | );\r |
| | 622 | AcpiTableInstance->Rsdt1->OemRevision = AcpiTableInstance->Fadt1->Header.OemRevision;\r |
| | 623 | }\r |
| | 624 | \r |
| | 625 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 626 | //\r |
| | 627 | // Save a pointer to the table\r |
| | 628 | //\r |
| | 629 | AcpiTableInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r |
| | 630 | \r |
| | 631 | //\r |
| | 632 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r |
| | 633 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r |
| | 634 | // vice-versa.\r |
| | 635 | //\r |
| | 636 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
| | 637 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
| | 638 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
| | 639 | } else {\r |
| | 640 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r |
| | 641 | CopyMem (\r |
| | 642 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r |
| | 643 | &Buffer64,\r |
| | 644 | sizeof (UINT64)\r |
| | 645 | );\r |
| | 646 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
| | 647 | }\r |
| | 648 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
| | 649 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
| | 650 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r |
| | 651 | } else {\r |
| | 652 | AcpiTableInstance->Fadt3->Dsdt = 0;\r |
| | 653 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r |
| | 654 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
| | 655 | }\r |
| | 656 | \r |
| | 657 | //\r |
| | 658 | // RSDP OEM information is updated to match the FADT OEM information\r |
| | 659 | //\r |
| | 660 | CopyMem (\r |
| | 661 | &AcpiTableInstance->Rsdp3->OemId,\r |
| | 662 | &AcpiTableInstance->Fadt3->Header.OemId,\r |
| | 663 | 6\r |
| | 664 | );\r |
| | 665 | \r |
| | 666 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 667 | //\r |
| | 668 | // RSDT OEM information is updated to match FADT OEM information.\r |
| | 669 | //\r |
| | 670 | CopyMem (\r |
| | 671 | &AcpiTableInstance->Rsdt3->OemId,\r |
| | 672 | &AcpiTableInstance->Fadt3->Header.OemId,\r |
| | 673 | 6\r |
| | 674 | );\r |
| | 675 | CopyMem (\r |
| | 676 | &AcpiTableInstance->Rsdt3->OemTableId,\r |
| | 677 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r |
| | 678 | sizeof (UINT64)\r |
| | 679 | );\r |
| | 680 | AcpiTableInstance->Rsdt3->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r |
| | 681 | }\r |
| | 682 | \r |
| | 683 | //\r |
| | 684 | // XSDT OEM information is updated to match FADT OEM information.\r |
| | 685 | //\r |
| | 686 | CopyMem (\r |
| | 687 | &AcpiTableInstance->Xsdt->OemId,\r |
| | 688 | &AcpiTableInstance->Fadt3->Header.OemId,\r |
| | 689 | 6\r |
| | 690 | );\r |
| | 691 | CopyMem (\r |
| | 692 | &AcpiTableInstance->Xsdt->OemTableId,\r |
| | 693 | &AcpiTableInstance->Fadt3->Header.OemTableId,\r |
| | 694 | sizeof (UINT64)\r |
| | 695 | );\r |
| | 696 | AcpiTableInstance->Xsdt->OemRevision = AcpiTableInstance->Fadt3->Header.OemRevision;\r |
| | 697 | } \r |
| | 698 | //\r |
| | 699 | // Checksum the table\r |
| | 700 | //\r |
| | 701 | if (Checksum) {\r |
| | 702 | AcpiPlatformChecksum (\r |
| | 703 | CurrentTableList->Table,\r |
| | 704 | CurrentTableList->Table->Length,\r |
| | 705 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 706 | Checksum)\r |
| | 707 | );\r |
| | 708 | }\r |
| | 709 | break;\r |
| | 710 | \r |
| | 711 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r |
| | 712 | //\r |
| | 713 | // Check that the table has not been previously added.\r |
| | 714 | //\r |
| | 715 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Facs1 != NULL) ||\r |
| | 716 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Facs3 != NULL)\r |
| | 717 | ) {\r |
| | 718 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r |
| | 719 | gBS->FreePool (CurrentTableList);\r |
| | 720 | return EFI_ACCESS_DENIED;\r |
| | 721 | }\r |
| | 722 | //\r |
| | 723 | // FACS is referenced by FADT and is not part of RSDT\r |
| | 724 | //\r |
| | 725 | AddToRsdt = FALSE;\r |
| | 726 | \r |
| | 727 | //\r |
| | 728 | // Add the table to the appropriate table version\r |
| | 729 | //\r |
| | 730 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 731 | //\r |
| | 732 | // Save a pointer to the table\r |
| | 733 | //\r |
| | 734 | AcpiTableInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r |
| | 735 | \r |
| | 736 | //\r |
| | 737 | // If FADT already exists, update table pointers.\r |
| | 738 | //\r |
| | 739 | if (AcpiTableInstance->Fadt1 != NULL) {\r |
| | 740 | AcpiTableInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs1;\r |
| | 741 | \r |
| | 742 | //\r |
| | 743 | // Checksum FADT table\r |
| | 744 | //\r |
| | 745 | AcpiPlatformChecksum (\r |
| | 746 | AcpiTableInstance->Fadt1,\r |
| | 747 | AcpiTableInstance->Fadt1->Header.Length,\r |
| | 748 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 749 | Checksum)\r |
| | 750 | );\r |
| | 751 | }\r |
| | 752 | }\r |
| | 753 | \r |
| | 754 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 755 | //\r |
| | 756 | // Save a pointer to the table\r |
| | 757 | //\r |
| | 758 | AcpiTableInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r |
| | 759 | \r |
| | 760 | //\r |
| | 761 | // If FADT already exists, update table pointers.\r |
| | 762 | //\r |
| | 763 | if (AcpiTableInstance->Fadt3 != NULL) {\r |
| | 764 | //\r |
| | 765 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r |
| | 766 | // vice-versa.\r |
| | 767 | //\r |
| | 768 | if ((UINT64)(UINTN)AcpiTableInstance->Facs3 < BASE_4GB) {\r |
| | 769 | AcpiTableInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiTableInstance->Facs3;\r |
| | 770 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
| | 771 | } else {\r |
| | 772 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Facs3;\r |
| | 773 | CopyMem (\r |
| | 774 | &AcpiTableInstance->Fadt3->XFirmwareCtrl,\r |
| | 775 | &Buffer64,\r |
| | 776 | sizeof (UINT64)\r |
| | 777 | );\r |
| | 778 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
| | 779 | }\r |
| | 780 | \r |
| | 781 | //\r |
| | 782 | // Checksum FADT table\r |
| | 783 | //\r |
| | 784 | AcpiPlatformChecksum (\r |
| | 785 | AcpiTableInstance->Fadt3,\r |
| | 786 | AcpiTableInstance->Fadt3->Header.Length,\r |
| | 787 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 788 | Checksum)\r |
| | 789 | );\r |
| | 790 | }\r |
| | 791 | }\r |
| | 792 | \r |
| | 793 | break;\r |
| | 794 | \r |
| | 795 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r |
| | 796 | //\r |
| | 797 | // Check that the table has not been previously added.\r |
| | 798 | //\r |
| | 799 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiTableInstance->Dsdt1 != NULL) ||\r |
| | 800 | ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0 && AcpiTableInstance->Dsdt3 != NULL)\r |
| | 801 | ) {\r |
| | 802 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r |
| | 803 | gBS->FreePool (CurrentTableList);\r |
| | 804 | return EFI_ACCESS_DENIED;\r |
| | 805 | }\r |
| | 806 | //\r |
| | 807 | // DSDT is referenced by FADT and is not part of RSDT\r |
| | 808 | //\r |
| | 809 | AddToRsdt = FALSE;\r |
| | 810 | \r |
| | 811 | //\r |
| | 812 | // Add the table to the appropriate table version\r |
| | 813 | //\r |
| | 814 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 815 | //\r |
| | 816 | // Save a pointer to the table\r |
| | 817 | //\r |
| | 818 | AcpiTableInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r |
| | 819 | \r |
| | 820 | //\r |
| | 821 | // If FADT already exists, update table pointers.\r |
| | 822 | //\r |
| | 823 | if (AcpiTableInstance->Fadt1 != NULL) {\r |
| | 824 | AcpiTableInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt1;\r |
| | 825 | \r |
| | 826 | //\r |
| | 827 | // Checksum FADT table\r |
| | 828 | //\r |
| | 829 | AcpiPlatformChecksum (\r |
| | 830 | AcpiTableInstance->Fadt1,\r |
| | 831 | AcpiTableInstance->Fadt1->Header.Length,\r |
| | 832 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 833 | Checksum)\r |
| | 834 | );\r |
| | 835 | }\r |
| | 836 | }\r |
| | 837 | \r |
| | 838 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 839 | //\r |
| | 840 | // Save a pointer to the table\r |
| | 841 | //\r |
| | 842 | AcpiTableInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r |
| | 843 | \r |
| | 844 | //\r |
| | 845 | // If FADT already exists, update table pointers.\r |
| | 846 | //\r |
| | 847 | if (AcpiTableInstance->Fadt3 != NULL) {\r |
| | 848 | if ((UINT64)(UINTN)AcpiTableInstance->Dsdt3 < BASE_4GB) {\r |
| | 849 | AcpiTableInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiTableInstance->Dsdt3;\r |
| | 850 | }\r |
| | 851 | Buffer64 = (UINT64) (UINTN) AcpiTableInstance->Dsdt3;\r |
| | 852 | CopyMem (&AcpiTableInstance->Fadt3->XDsdt, &Buffer64, sizeof (UINT64));\r |
| | 853 | \r |
| | 854 | //\r |
| | 855 | // Checksum FADT table\r |
| | 856 | //\r |
| | 857 | AcpiPlatformChecksum (\r |
| | 858 | AcpiTableInstance->Fadt3,\r |
| | 859 | AcpiTableInstance->Fadt3->Header.Length,\r |
| | 860 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 861 | Checksum)\r |
| | 862 | );\r |
| | 863 | }\r |
| | 864 | } \r |
| | 865 | //\r |
| | 866 | // Checksum the table\r |
| | 867 | //\r |
| | 868 | if (Checksum) {\r |
| | 869 | AcpiPlatformChecksum (\r |
| | 870 | CurrentTableList->Table,\r |
| | 871 | CurrentTableList->Table->Length,\r |
| | 872 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 873 | Checksum)\r |
| | 874 | );\r |
| | 875 | }\r |
| | 876 | break;\r |
| | 877 | \r |
| | 878 | default:\r |
| | 879 | //\r |
| | 880 | // Checksum the table\r |
| | 881 | //\r |
| | 882 | if (Checksum) {\r |
| | 883 | AcpiPlatformChecksum (\r |
| | 884 | CurrentTableList->Table,\r |
| | 885 | CurrentTableList->Table->Length,\r |
| | 886 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 887 | Checksum)\r |
| | 888 | );\r |
| | 889 | }\r |
| | 890 | break;\r |
| | 891 | }\r |
| | 892 | //\r |
| | 893 | // Add the table to the current list of tables\r |
| | 894 | //\r |
| | 895 | InsertTailList (&AcpiTableInstance->TableList, &CurrentTableList->Link);\r |
| | 896 | \r |
| | 897 | //\r |
| | 898 | // Add the table to RSDT and/or XSDT table entry lists.\r |
| | 899 | //\r |
| | 900 | //\r |
| | 901 | // Add to ACPI 1.0b table tree\r |
| | 902 | //\r |
| | 903 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 904 | if (AddToRsdt) {\r |
| | 905 | //\r |
| | 906 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
| | 907 | //\r |
| | 908 | if (AcpiTableInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r |
| | 909 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r |
| | 910 | ASSERT_EFI_ERROR (Status);\r |
| | 911 | }\r |
| | 912 | CurrentRsdtEntry = (UINT32 *)\r |
| | 913 | (\r |
| | 914 | (UINT8 *) AcpiTableInstance->Rsdt1 +\r |
| | 915 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
| | 916 | AcpiTableInstance->NumberOfTableEntries1 *\r |
| | 917 | sizeof (UINT32)\r |
| | 918 | );\r |
| | 919 | \r |
| | 920 | //\r |
| | 921 | // Add entry to the RSDT unless its the FACS or DSDT\r |
| | 922 | //\r |
| | 923 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r |
| | 924 | \r |
| | 925 | //\r |
| | 926 | // Update RSDT length\r |
| | 927 | //\r |
| | 928 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof (UINT32);\r |
| | 929 | \r |
| | 930 | AcpiTableInstance->NumberOfTableEntries1++;\r |
| | 931 | }\r |
| | 932 | }\r |
| | 933 | //\r |
| | 934 | // Add to ACPI 2.0/3.0 table tree\r |
| | 935 | //\r |
| | 936 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 937 | if (AddToRsdt) {\r |
| | 938 | //\r |
| | 939 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r |
| | 940 | //\r |
| | 941 | if (AcpiTableInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r |
| | 942 | Status = ReallocateAcpiTableBuffer (AcpiTableInstance);\r |
| | 943 | ASSERT_EFI_ERROR (Status);\r |
| | 944 | }\r |
| | 945 | \r |
| | 946 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 947 | //\r |
| | 948 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r |
| | 949 | // If it becomes necessary to maintain separate table lists, changes will be required.\r |
| | 950 | //\r |
| | 951 | CurrentRsdtEntry = (UINT32 *)\r |
| | 952 | (\r |
| | 953 | (UINT8 *) AcpiTableInstance->Rsdt3 +\r |
| | 954 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
| | 955 | AcpiTableInstance->NumberOfTableEntries3 *\r |
| | 956 | sizeof (UINT32)\r |
| | 957 | );\r |
| | 958 | \r |
| | 959 | //\r |
| | 960 | // Add entry to the RSDT\r |
| | 961 | //\r |
| | 962 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r |
| | 963 | \r |
| | 964 | //\r |
| | 965 | // Update RSDT length\r |
| | 966 | //\r |
| | 967 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof (UINT32);\r |
| | 968 | }\r |
| | 969 | \r |
| | 970 | //\r |
| | 971 | // This pointer must not be directly dereferenced as the XSDT entries may not\r |
| | 972 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r |
| | 973 | //\r |
| | 974 | CurrentXsdtEntry = (VOID *)\r |
| | 975 | (\r |
| | 976 | (UINT8 *) AcpiTableInstance->Xsdt +\r |
| | 977 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r |
| | 978 | AcpiTableInstance->NumberOfTableEntries3 *\r |
| | 979 | sizeof (UINT64)\r |
| | 980 | );\r |
| | 981 | \r |
| | 982 | //\r |
| | 983 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r |
| | 984 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r |
| | 985 | //\r |
| | 986 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r |
| | 987 | CopyMem (\r |
| | 988 | CurrentXsdtEntry,\r |
| | 989 | &Buffer64,\r |
| | 990 | sizeof (UINT64)\r |
| | 991 | );\r |
| | 992 | \r |
| | 993 | //\r |
| | 994 | // Update length\r |
| | 995 | //\r |
| | 996 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof (UINT64);\r |
| | 997 | \r |
| | 998 | AcpiTableInstance->NumberOfTableEntries3++;\r |
| | 999 | }\r |
| | 1000 | }\r |
| | 1001 | \r |
| | 1002 | ChecksumCommonTables (AcpiTableInstance);\r |
| | 1003 | return EFI_SUCCESS;\r |
| | 1004 | }\r |
| | 1005 | \r |
| | 1006 | \r |
| | 1007 | /**\r |
| | 1008 | This function finds the table specified by the handle and returns a pointer to it.\r |
| | 1009 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r |
| | 1010 | undefined.\r |
| | 1011 | \r |
| | 1012 | @param Handle Table to find.\r |
| | 1013 | @param TableList Table list to search\r |
| | 1014 | @param Table Pointer to table found. \r |
| | 1015 | \r |
| | 1016 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1017 | @return EFI_NOT_FOUND No table found matching the handle specified.\r |
| | 1018 | \r |
| | 1019 | **/\r |
| | 1020 | EFI_STATUS\r |
| | 1021 | FindTableByHandle (\r |
| | 1022 | IN UINTN Handle,\r |
| | 1023 | IN LIST_ENTRY *TableList,\r |
| | 1024 | OUT EFI_ACPI_TABLE_LIST **Table\r |
| | 1025 | )\r |
| | 1026 | {\r |
| | 1027 | LIST_ENTRY *CurrentLink;\r |
| | 1028 | EFI_ACPI_TABLE_LIST *CurrentTable;\r |
| | 1029 | \r |
| | 1030 | //\r |
| | 1031 | // Check for invalid input parameters\r |
| | 1032 | //\r |
| | 1033 | ASSERT (Table);\r |
| | 1034 | \r |
| | 1035 | //\r |
| | 1036 | // Find the table\r |
| | 1037 | //\r |
| | 1038 | CurrentLink = TableList->ForwardLink;\r |
| | 1039 | \r |
| | 1040 | while (CurrentLink != TableList) {\r |
| | 1041 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r |
| | 1042 | if (CurrentTable->Handle == Handle) {\r |
| | 1043 | //\r |
| | 1044 | // Found handle, so return this table.\r |
| | 1045 | //\r |
| | 1046 | *Table = CurrentTable;\r |
| | 1047 | return EFI_SUCCESS;\r |
| | 1048 | }\r |
| | 1049 | \r |
| | 1050 | CurrentLink = CurrentLink->ForwardLink;\r |
| | 1051 | }\r |
| | 1052 | //\r |
| | 1053 | // Table not found\r |
| | 1054 | //\r |
| | 1055 | return EFI_NOT_FOUND;\r |
| | 1056 | }\r |
| | 1057 | \r |
| | 1058 | \r |
| | 1059 | /**\r |
| | 1060 | This function removes a basic table from the RSDT and/or XSDT.\r |
| | 1061 | For Acpi 1.0 tables, pass in the Rsdt.\r |
| | 1062 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r |
| | 1063 | \r |
| | 1064 | @param Table Pointer to table found. \r |
| | 1065 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r |
| | 1066 | @param Rsdt Pointer to the RSDT to remove from\r |
| | 1067 | @param Xsdt Pointer to the Xsdt to remove from\r |
| | 1068 | \r |
| | 1069 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1070 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r |
| | 1071 | \r |
| | 1072 | **/\r |
| | 1073 | EFI_STATUS\r |
| | 1074 | RemoveTableFromRsdt (\r |
| | 1075 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r |
| | 1076 | IN OUT UINTN *NumberOfTableEntries,\r |
| | 1077 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt OPTIONAL,\r |
| | 1078 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r |
| | 1079 | )\r |
| | 1080 | {\r |
| | 1081 | UINT32 *CurrentRsdtEntry;\r |
| | 1082 | VOID *CurrentXsdtEntry;\r |
| | 1083 | UINT64 CurrentTablePointer64;\r |
| | 1084 | UINTN Index;\r |
| | 1085 | \r |
| | 1086 | //\r |
| | 1087 | // Check for invalid input parameters\r |
| | 1088 | //\r |
| | 1089 | ASSERT (Table);\r |
| | 1090 | ASSERT (NumberOfTableEntries);\r |
| | 1091 | ASSERT (Rsdt || Xsdt);\r |
| | 1092 | \r |
| | 1093 | //\r |
| | 1094 | // Find the table entry in the RSDT and XSDT\r |
| | 1095 | //\r |
| | 1096 | for (Index = 0; Index < *NumberOfTableEntries; Index++) {\r |
| | 1097 | //\r |
| | 1098 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r |
| | 1099 | // If it becomes necessary to maintain separate table lists, changes will be required.\r |
| | 1100 | //\r |
| | 1101 | if (Rsdt != NULL) {\r |
| | 1102 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT32));\r |
| | 1103 | } else {\r |
| | 1104 | CurrentRsdtEntry = NULL;\r |
| | 1105 | }\r |
| | 1106 | if (Xsdt != NULL) {\r |
| | 1107 | //\r |
| | 1108 | // This pointer must not be directly dereferenced as the XSDT entries may not\r |
| | 1109 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r |
| | 1110 | //\r |
| | 1111 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + Index * sizeof (UINT64));\r |
| | 1112 | \r |
| | 1113 | //\r |
| | 1114 | // Read the entry value out of the XSDT\r |
| | 1115 | //\r |
| | 1116 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r |
| | 1117 | } else {\r |
| | 1118 | //\r |
| | 1119 | // Initialize to NULL\r |
| | 1120 | //\r |
| | 1121 | CurrentXsdtEntry = 0;\r |
| | 1122 | CurrentTablePointer64 = 0;\r |
| | 1123 | }\r |
| | 1124 | //\r |
| | 1125 | // Check if we have found the corresponding entry in both RSDT and XSDT\r |
| | 1126 | //\r |
| | 1127 | if (((Rsdt == NULL) || *CurrentRsdtEntry == (UINT32) (UINTN) Table->Table) &&\r |
| | 1128 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r |
| | 1129 | ) {\r |
| | 1130 | //\r |
| | 1131 | // Found entry, so copy all following entries and shrink table\r |
| | 1132 | // We actually copy all + 1 to copy the initialized value of memory over\r |
| | 1133 | // the last entry.\r |
| | 1134 | //\r |
| | 1135 | if (Rsdt != NULL) {\r |
| | 1136 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - Index) * sizeof (UINT32));\r |
| | 1137 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r |
| | 1138 | }\r |
| | 1139 | if (Xsdt != NULL) {\r |
| | 1140 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - Index) * sizeof (UINT64));\r |
| | 1141 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r |
| | 1142 | }\r |
| | 1143 | break;\r |
| | 1144 | } else if (Index + 1 == *NumberOfTableEntries) {\r |
| | 1145 | //\r |
| | 1146 | // At the last entry, and table not found\r |
| | 1147 | //\r |
| | 1148 | return EFI_INVALID_PARAMETER;\r |
| | 1149 | }\r |
| | 1150 | }\r |
| | 1151 | //\r |
| | 1152 | // Checksum the tables\r |
| | 1153 | //\r |
| | 1154 | if (Rsdt != NULL) {\r |
| | 1155 | AcpiPlatformChecksum (\r |
| | 1156 | Rsdt,\r |
| | 1157 | Rsdt->Length,\r |
| | 1158 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1159 | Checksum)\r |
| | 1160 | );\r |
| | 1161 | }\r |
| | 1162 | \r |
| | 1163 | if (Xsdt != NULL) {\r |
| | 1164 | AcpiPlatformChecksum (\r |
| | 1165 | Xsdt,\r |
| | 1166 | Xsdt->Length,\r |
| | 1167 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1168 | Checksum)\r |
| | 1169 | );\r |
| | 1170 | }\r |
| | 1171 | //\r |
| | 1172 | // Decrement the number of tables\r |
| | 1173 | //\r |
| | 1174 | (*NumberOfTableEntries)--;\r |
| | 1175 | \r |
| | 1176 | return EFI_SUCCESS;\r |
| | 1177 | }\r |
| | 1178 | \r |
| | 1179 | \r |
| | 1180 | /**\r |
| | 1181 | This function removes a table and frees any associated memory.\r |
| | 1182 | \r |
| | 1183 | @param AcpiTableInstance Instance of the protocol.\r |
| | 1184 | @param Version Version(s) to delete.\r |
| | 1185 | @param Table Pointer to table found.\r |
| | 1186 | \r |
| | 1187 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1188 | \r |
| | 1189 | **/\r |
| | 1190 | EFI_STATUS\r |
| | 1191 | DeleteTable (\r |
| | 1192 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r |
| | 1193 | IN EFI_ACPI_TABLE_VERSION Version,\r |
| | 1194 | IN OUT EFI_ACPI_TABLE_LIST *Table\r |
| | 1195 | )\r |
| | 1196 | {\r |
| | 1197 | UINT32 CurrentTableSignature;\r |
| | 1198 | BOOLEAN RemoveFromRsdt;\r |
| | 1199 | \r |
| | 1200 | //\r |
| | 1201 | // Check for invalid input parameters\r |
| | 1202 | //\r |
| | 1203 | ASSERT (AcpiTableInstance);\r |
| | 1204 | ASSERT (Table);\r |
| | 1205 | \r |
| | 1206 | //\r |
| | 1207 | // Init locals\r |
| | 1208 | //\r |
| | 1209 | RemoveFromRsdt = TRUE;\r |
| | 1210 | //\r |
| | 1211 | // Check for Table->Table\r |
| | 1212 | //\r |
| | 1213 | ASSERT (Table->Table != NULL);\r |
| | 1214 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
| | 1215 | \r |
| | 1216 | //\r |
| | 1217 | // Basic tasks to accomplish delete are:\r |
| | 1218 | // Determine removal requirements (in RSDT/XSDT or not)\r |
| | 1219 | // Remove entry from RSDT/XSDT\r |
| | 1220 | // Remove any table references to the table\r |
| | 1221 | // If no one is using the table\r |
| | 1222 | // Free the table (removing pointers from private data and tables)\r |
| | 1223 | // Remove from list\r |
| | 1224 | // Free list structure\r |
| | 1225 | //\r |
| | 1226 | //\r |
| | 1227 | // Determine if this table is in the RSDT or XSDT\r |
| | 1228 | //\r |
| | 1229 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r |
| | 1230 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r |
| | 1231 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r |
| | 1232 | ) {\r |
| | 1233 | RemoveFromRsdt = FALSE;\r |
| | 1234 | }\r |
| | 1235 | //\r |
| | 1236 | // We don't remove the FADT in the standard way because some\r |
| | 1237 | // OS expect the FADT to be early in the table list.\r |
| | 1238 | // So we always put it as the first element in the list.\r |
| | 1239 | //\r |
| | 1240 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r |
| | 1241 | RemoveFromRsdt = FALSE;\r |
| | 1242 | }\r |
| | 1243 | \r |
| | 1244 | //\r |
| | 1245 | // Remove the table from RSDT and XSDT\r |
| | 1246 | //\r |
| | 1247 | if (Table->Table != NULL) {\r |
| | 1248 | //\r |
| | 1249 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r |
| | 1250 | //\r |
| | 1251 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r |
| | 1252 | //\r |
| | 1253 | // Remove this version from the table\r |
| | 1254 | //\r |
| | 1255 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r |
| | 1256 | }\r |
| | 1257 | \r |
| | 1258 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r |
| | 1259 | //\r |
| | 1260 | // Remove this version from the table\r |
| | 1261 | //\r |
| | 1262 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r |
| | 1263 | \r |
| | 1264 | //\r |
| | 1265 | // Remove from Rsdt. We don't care about the return value because it is\r |
| | 1266 | // acceptable for the table to not exist in Rsdt.\r |
| | 1267 | // We didn't add some tables so we don't remove them.\r |
| | 1268 | //\r |
| | 1269 | if (RemoveFromRsdt) {\r |
| | 1270 | RemoveTableFromRsdt (\r |
| | 1271 | Table,\r |
| | 1272 | &AcpiTableInstance->NumberOfTableEntries1,\r |
| | 1273 | AcpiTableInstance->Rsdt1,\r |
| | 1274 | NULL\r |
| | 1275 | );\r |
| | 1276 | }\r |
| | 1277 | }\r |
| | 1278 | \r |
| | 1279 | if (Version & ACPI_TABLE_VERSION_GTE_2_0 & Table->Version) {\r |
| | 1280 | //\r |
| | 1281 | // Remove this version from the table\r |
| | 1282 | //\r |
| | 1283 | Table->Version = Table->Version &~(Version & ACPI_TABLE_VERSION_GTE_2_0);\r |
| | 1284 | \r |
| | 1285 | //\r |
| | 1286 | // Remove from Rsdt and Xsdt. We don't care about the return value\r |
| | 1287 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r |
| | 1288 | // We didn't add some tables so we don't remove them.\r |
| | 1289 | //\r |
| | 1290 | if (RemoveFromRsdt) {\r |
| | 1291 | RemoveTableFromRsdt (\r |
| | 1292 | Table,\r |
| | 1293 | &AcpiTableInstance->NumberOfTableEntries3,\r |
| | 1294 | AcpiTableInstance->Rsdt3,\r |
| | 1295 | AcpiTableInstance->Xsdt\r |
| | 1296 | );\r |
| | 1297 | }\r |
| | 1298 | } \r |
| | 1299 | //\r |
| | 1300 | // Free the table, clean up any dependent tables and our private data pointers.\r |
| | 1301 | //\r |
| | 1302 | switch (Table->Table->Signature) {\r |
| | 1303 | \r |
| | 1304 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r |
| | 1305 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1306 | AcpiTableInstance->Fadt1 = NULL;\r |
| | 1307 | }\r |
| | 1308 | \r |
| | 1309 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 1310 | AcpiTableInstance->Fadt3 = NULL;\r |
| | 1311 | }\r |
| | 1312 | break;\r |
| | 1313 | \r |
| | 1314 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r |
| | 1315 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1316 | AcpiTableInstance->Facs1 = NULL;\r |
| | 1317 | \r |
| | 1318 | //\r |
| | 1319 | // Update FADT table pointers\r |
| | 1320 | //\r |
| | 1321 | if (AcpiTableInstance->Fadt1 != NULL) {\r |
| | 1322 | AcpiTableInstance->Fadt1->FirmwareCtrl = 0;\r |
| | 1323 | \r |
| | 1324 | //\r |
| | 1325 | // Checksum table\r |
| | 1326 | //\r |
| | 1327 | AcpiPlatformChecksum (\r |
| | 1328 | AcpiTableInstance->Fadt1,\r |
| | 1329 | AcpiTableInstance->Fadt1->Header.Length,\r |
| | 1330 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1331 | Checksum)\r |
| | 1332 | );\r |
| | 1333 | }\r |
| | 1334 | }\r |
| | 1335 | \r |
| | 1336 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 1337 | AcpiTableInstance->Facs3 = NULL;\r |
| | 1338 | \r |
| | 1339 | //\r |
| | 1340 | // Update FADT table pointers\r |
| | 1341 | //\r |
| | 1342 | if (AcpiTableInstance->Fadt3 != NULL) {\r |
| | 1343 | AcpiTableInstance->Fadt3->FirmwareCtrl = 0;\r |
| | 1344 | ZeroMem (&AcpiTableInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r |
| | 1345 | \r |
| | 1346 | //\r |
| | 1347 | // Checksum table\r |
| | 1348 | //\r |
| | 1349 | AcpiPlatformChecksum (\r |
| | 1350 | AcpiTableInstance->Fadt3,\r |
| | 1351 | AcpiTableInstance->Fadt3->Header.Length,\r |
| | 1352 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1353 | Checksum)\r |
| | 1354 | );\r |
| | 1355 | }\r |
| | 1356 | } \r |
| | 1357 | break;\r |
| | 1358 | \r |
| | 1359 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r |
| | 1360 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1361 | AcpiTableInstance->Dsdt1 = NULL;\r |
| | 1362 | \r |
| | 1363 | //\r |
| | 1364 | // Update FADT table pointers\r |
| | 1365 | //\r |
| | 1366 | if (AcpiTableInstance->Fadt1 != NULL) {\r |
| | 1367 | AcpiTableInstance->Fadt1->Dsdt = 0;\r |
| | 1368 | \r |
| | 1369 | //\r |
| | 1370 | // Checksum table\r |
| | 1371 | //\r |
| | 1372 | AcpiPlatformChecksum (\r |
| | 1373 | AcpiTableInstance->Fadt1,\r |
| | 1374 | AcpiTableInstance->Fadt1->Header.Length,\r |
| | 1375 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1376 | Checksum)\r |
| | 1377 | );\r |
| | 1378 | }\r |
| | 1379 | }\r |
| | 1380 | \r |
| | 1381 | \r |
| | 1382 | if ((Version & ACPI_TABLE_VERSION_GTE_2_0) != 0) {\r |
| | 1383 | AcpiTableInstance->Dsdt3 = NULL;\r |
| | 1384 | \r |
| | 1385 | //\r |
| | 1386 | // Update FADT table pointers\r |
| | 1387 | //\r |
| | 1388 | if (AcpiTableInstance->Fadt3 != NULL) {\r |
| | 1389 | AcpiTableInstance->Fadt3->Dsdt = 0;\r |
| | 1390 | ZeroMem (&AcpiTableInstance->Fadt3->XDsdt, sizeof (UINT64));\r |
| | 1391 | \r |
| | 1392 | //\r |
| | 1393 | // Checksum table\r |
| | 1394 | //\r |
| | 1395 | AcpiPlatformChecksum (\r |
| | 1396 | AcpiTableInstance->Fadt3,\r |
| | 1397 | AcpiTableInstance->Fadt3->Header.Length,\r |
| | 1398 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1399 | Checksum)\r |
| | 1400 | );\r |
| | 1401 | }\r |
| | 1402 | }\r |
| | 1403 | break;\r |
| | 1404 | \r |
| | 1405 | default:\r |
| | 1406 | //\r |
| | 1407 | // Do nothing\r |
| | 1408 | //\r |
| | 1409 | break;\r |
| | 1410 | }\r |
| | 1411 | }\r |
| | 1412 | //\r |
| | 1413 | // If no version is using this table anymore, remove and free list entry.\r |
| | 1414 | //\r |
| | 1415 | if (Table->Version == 0) {\r |
| | 1416 | //\r |
| | 1417 | // Free the Table\r |
| | 1418 | //\r |
| | 1419 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r |
| | 1420 | RemoveEntryList (&(Table->Link));\r |
| | 1421 | gBS->FreePool (Table);\r |
| | 1422 | }\r |
| | 1423 | //\r |
| | 1424 | // Done\r |
| | 1425 | //\r |
| | 1426 | return EFI_SUCCESS;\r |
| | 1427 | }\r |
| | 1428 | \r |
| | 1429 | \r |
| | 1430 | /**\r |
| | 1431 | This function finds and removes the table specified by the handle.\r |
| | 1432 | \r |
| | 1433 | @param AcpiTableInstance Instance of the protocol.\r |
| | 1434 | @param Version Bitmask of which versions to remove.\r |
| | 1435 | @param Handle Table to remove.\r |
| | 1436 | \r |
| | 1437 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1438 | @return EFI_ABORTED An error occurred.\r |
| | 1439 | @return EFI_NOT_FOUND Handle not found in table list.\r |
| | 1440 | \r |
| | 1441 | **/\r |
| | 1442 | EFI_STATUS\r |
| | 1443 | RemoveTableFromList (\r |
| | 1444 | IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,\r |
| | 1445 | IN EFI_ACPI_TABLE_VERSION Version,\r |
| | 1446 | IN UINTN Handle\r |
| | 1447 | )\r |
| | 1448 | {\r |
| | 1449 | EFI_ACPI_TABLE_LIST *Table;\r |
| | 1450 | EFI_STATUS Status;\r |
| | 1451 | \r |
| | 1452 | Table = (EFI_ACPI_TABLE_LIST*) NULL;\r |
| | 1453 | \r |
| | 1454 | //\r |
| | 1455 | // Check for invalid input parameters\r |
| | 1456 | //\r |
| | 1457 | ASSERT (AcpiTableInstance);\r |
| | 1458 | \r |
| | 1459 | //\r |
| | 1460 | // Find the table\r |
| | 1461 | //\r |
| | 1462 | Status = FindTableByHandle (\r |
| | 1463 | Handle,\r |
| | 1464 | &AcpiTableInstance->TableList,\r |
| | 1465 | &Table\r |
| | 1466 | );\r |
| | 1467 | if (EFI_ERROR (Status)) {\r |
| | 1468 | return EFI_NOT_FOUND;\r |
| | 1469 | }\r |
| | 1470 | //\r |
| | 1471 | // Remove the table\r |
| | 1472 | //\r |
| | 1473 | Status = DeleteTable (AcpiTableInstance, Version, Table);\r |
| | 1474 | if (EFI_ERROR (Status)) {\r |
| | 1475 | return EFI_ABORTED;\r |
| | 1476 | }\r |
| | 1477 | //\r |
| | 1478 | // Completed successfully\r |
| | 1479 | //\r |
| | 1480 | return EFI_SUCCESS;\r |
| | 1481 | }\r |
| | 1482 | \r |
| | 1483 | \r |
| | 1484 | /**\r |
| | 1485 | This function calculates and updates an UINT8 checksum.\r |
| | 1486 | \r |
| | 1487 | @param Buffer Pointer to buffer to checksum\r |
| | 1488 | @param Size Number of bytes to checksum\r |
| | 1489 | @param ChecksumOffset Offset to place the checksum result in\r |
| | 1490 | \r |
| | 1491 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1492 | \r |
| | 1493 | **/\r |
| | 1494 | EFI_STATUS\r |
| | 1495 | AcpiPlatformChecksum (\r |
| | 1496 | IN VOID *Buffer,\r |
| | 1497 | IN UINTN Size,\r |
| | 1498 | IN UINTN ChecksumOffset\r |
| | 1499 | )\r |
| | 1500 | {\r |
| | 1501 | UINT8 Sum;\r |
| | 1502 | UINT8 *Ptr;\r |
| | 1503 | \r |
| | 1504 | Sum = 0;\r |
| | 1505 | //\r |
| | 1506 | // Initialize pointer\r |
| | 1507 | //\r |
| | 1508 | Ptr = Buffer;\r |
| | 1509 | \r |
| | 1510 | //\r |
| | 1511 | // set checksum to 0 first\r |
| | 1512 | //\r |
| | 1513 | Ptr[ChecksumOffset] = 0;\r |
| | 1514 | \r |
| | 1515 | //\r |
| | 1516 | // add all content of buffer\r |
| | 1517 | //\r |
| | 1518 | while ((Size--) != 0) {\r |
| | 1519 | Sum = (UINT8) (Sum + (*Ptr++));\r |
| | 1520 | }\r |
| | 1521 | //\r |
| | 1522 | // set checksum\r |
| | 1523 | //\r |
| | 1524 | Ptr = Buffer;\r |
| | 1525 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r |
| | 1526 | \r |
| | 1527 | return EFI_SUCCESS;\r |
| | 1528 | }\r |
| | 1529 | \r |
| | 1530 | \r |
| | 1531 | /**\r |
| | 1532 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r |
| | 1533 | \r |
| | 1534 | @param AcpiTableInstance Protocol instance private data.\r |
| | 1535 | \r |
| | 1536 | @return EFI_SUCCESS The function completed successfully.\r |
| | 1537 | \r |
| | 1538 | **/\r |
| | 1539 | EFI_STATUS\r |
| | 1540 | ChecksumCommonTables (\r |
| | 1541 | IN OUT EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r |
| | 1542 | )\r |
| | 1543 | {\r |
| | 1544 | //\r |
| | 1545 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r |
| | 1546 | //\r |
| | 1547 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1548 | AcpiPlatformChecksum (\r |
| | 1549 | AcpiTableInstance->Rsdp1,\r |
| | 1550 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r |
| | 1551 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r |
| | 1552 | Checksum)\r |
| | 1553 | );\r |
| | 1554 | }\r |
| | 1555 | \r |
| | 1556 | //\r |
| | 1557 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r |
| | 1558 | //\r |
| | 1559 | AcpiPlatformChecksum (\r |
| | 1560 | AcpiTableInstance->Rsdp3,\r |
| | 1561 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r |
| | 1562 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r |
| | 1563 | Checksum)\r |
| | 1564 | );\r |
| | 1565 | \r |
| | 1566 | //\r |
| | 1567 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r |
| | 1568 | //\r |
| | 1569 | AcpiPlatformChecksum (\r |
| | 1570 | AcpiTableInstance->Rsdp3,\r |
| | 1571 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r |
| | 1572 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r |
| | 1573 | ExtendedChecksum)\r |
| | 1574 | );\r |
| | 1575 | \r |
| | 1576 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1577 | //\r |
| | 1578 | // RSDT checksums\r |
| | 1579 | //\r |
| | 1580 | AcpiPlatformChecksum (\r |
| | 1581 | AcpiTableInstance->Rsdt1,\r |
| | 1582 | AcpiTableInstance->Rsdt1->Length,\r |
| | 1583 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1584 | Checksum)\r |
| | 1585 | );\r |
| | 1586 | \r |
| | 1587 | AcpiPlatformChecksum (\r |
| | 1588 | AcpiTableInstance->Rsdt3,\r |
| | 1589 | AcpiTableInstance->Rsdt3->Length,\r |
| | 1590 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1591 | Checksum)\r |
| | 1592 | );\r |
| | 1593 | }\r |
| | 1594 | \r |
| | 1595 | //\r |
| | 1596 | // XSDT checksum\r |
| | 1597 | //\r |
| | 1598 | AcpiPlatformChecksum (\r |
| | 1599 | AcpiTableInstance->Xsdt,\r |
| | 1600 | AcpiTableInstance->Xsdt->Length,\r |
| | 1601 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r |
| | 1602 | Checksum)\r |
| | 1603 | );\r |
| | 1604 | \r |
| | 1605 | return EFI_SUCCESS;\r |
| | 1606 | }\r |
| | 1607 | \r |
| | 1608 | \r |
| | 1609 | /**\r |
| | 1610 | Constructor for the ACPI table protocol. Initializes instance\r |
| | 1611 | data.\r |
| | 1612 | \r |
| | 1613 | @param AcpiTableInstance Instance to construct\r |
| | 1614 | \r |
| | 1615 | @return EFI_SUCCESS Instance initialized.\r |
| | 1616 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r |
| | 1617 | \r |
| | 1618 | **/\r |
| | 1619 | EFI_STATUS\r |
| | 1620 | AcpiTableAcpiTableConstructor (\r |
| | 1621 | EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance\r |
| | 1622 | )\r |
| | 1623 | {\r |
| | 1624 | EFI_STATUS Status;\r |
| | 1625 | UINT64 CurrentData;\r |
| | 1626 | UINTN TotalSize;\r |
| | 1627 | UINTN RsdpTableSize;\r |
| | 1628 | UINT8 *Pointer;\r |
| | 1629 | EFI_PHYSICAL_ADDRESS PageAddress;\r |
| | 1630 | \r |
| | 1631 | //\r |
| | 1632 | // Check for invalid input parameters\r |
| | 1633 | //\r |
| | 1634 | ASSERT (AcpiTableInstance);\r |
| | 1635 | \r |
| | 1636 | //\r |
| | 1637 | // If ACPI v1.0b is among the ACPI versions we aim to support, we have to\r |
| | 1638 | // ensure that all memory allocations are below 4 GB.\r |
| | 1639 | //\r |
| | 1640 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1641 | mAcpiTableAllocType = AllocateMaxAddress;\r |
| | 1642 | } else {\r |
| | 1643 | mAcpiTableAllocType = AllocateAnyPages;\r |
| | 1644 | }\r |
| | 1645 | \r |
| | 1646 | InitializeListHead (&AcpiTableInstance->TableList);\r |
| | 1647 | AcpiTableInstance->CurrentHandle = 1;\r |
| | 1648 | \r |
| | 1649 | AcpiTableInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r |
| | 1650 | AcpiTableInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r |
| | 1651 | \r |
| | 1652 | if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {\r |
| | 1653 | SdtAcpiTableAcpiSdtConstructor (AcpiTableInstance);\r |
| | 1654 | }\r |
| | 1655 | \r |
| | 1656 | //\r |
| | 1657 | // Create RSDP table\r |
| | 1658 | //\r |
| | 1659 | RsdpTableSize = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| | 1660 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1661 | RsdpTableSize += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| | 1662 | }\r |
| | 1663 | \r |
| | 1664 | PageAddress = 0xFFFFFFFF;\r |
| | 1665 | Status = gBS->AllocatePages (\r |
| | 1666 | mAcpiTableAllocType,\r |
| | 1667 | EfiACPIReclaimMemory,\r |
| | 1668 | EFI_SIZE_TO_PAGES (RsdpTableSize),\r |
| | 1669 | &PageAddress\r |
| | 1670 | );\r |
| | 1671 | \r |
| | 1672 | if (EFI_ERROR (Status)) {\r |
| | 1673 | return EFI_OUT_OF_RESOURCES;\r |
| | 1674 | }\r |
| | 1675 | \r |
| | 1676 | Pointer = (UINT8 *) (UINTN) PageAddress;\r |
| | 1677 | ZeroMem (Pointer, RsdpTableSize);\r |
| | 1678 | \r |
| | 1679 | AcpiTableInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r |
| | 1680 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1681 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| | 1682 | }\r |
| | 1683 | AcpiTableInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r |
| | 1684 | \r |
| | 1685 | //\r |
| | 1686 | // Create RSDT, XSDT structures\r |
| | 1687 | //\r |
| | 1688 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r |
| | 1689 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r |
| | 1690 | \r |
| | 1691 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1692 | TotalSize += sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r |
| | 1693 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r |
| | 1694 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r |
| | 1695 | mEfiAcpiMaxNumTables * sizeof (UINT32);\r |
| | 1696 | }\r |
| | 1697 | \r |
| | 1698 | //\r |
| | 1699 | // Allocate memory in the lower 32 bit of address range for\r |
| | 1700 | // compatibility with ACPI 1.0 OS.\r |
| | 1701 | //\r |
| | 1702 | // This is done because ACPI 1.0 pointers are 32 bit values.\r |
| | 1703 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r |
| | 1704 | // There is no architectural reason these should be below 4GB, it is purely\r |
| | 1705 | // for convenience of implementation that we force memory below 4GB.\r |
| | 1706 | //\r |
| | 1707 | PageAddress = 0xFFFFFFFF;\r |
| | 1708 | Status = gBS->AllocatePages (\r |
| | 1709 | mAcpiTableAllocType,\r |
| | 1710 | EfiACPIReclaimMemory,\r |
| | 1711 | EFI_SIZE_TO_PAGES (TotalSize),\r |
| | 1712 | &PageAddress\r |
| | 1713 | );\r |
| | 1714 | \r |
| | 1715 | if (EFI_ERROR (Status)) {\r |
| | 1716 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiTableInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize));\r |
| | 1717 | return EFI_OUT_OF_RESOURCES;\r |
| | 1718 | }\r |
| | 1719 | \r |
| | 1720 | Pointer = (UINT8 *) (UINTN) PageAddress;\r |
| | 1721 | ZeroMem (Pointer, TotalSize);\r |
| | 1722 | \r |
| | 1723 | AcpiTableInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| | 1724 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1725 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r |
| | 1726 | AcpiTableInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| | 1727 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r |
| | 1728 | }\r |
| | 1729 | AcpiTableInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r |
| | 1730 | \r |
| | 1731 | //\r |
| | 1732 | // Initialize RSDP\r |
| | 1733 | //\r |
| | 1734 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1735 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r |
| | 1736 | CopyMem (&AcpiTableInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r |
| | 1737 | CopyMem (AcpiTableInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp1->OemId));\r |
| | 1738 | AcpiTableInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r |
| | 1739 | AcpiTableInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt1;\r |
| | 1740 | }\r |
| | 1741 | \r |
| | 1742 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r |
| | 1743 | CopyMem (&AcpiTableInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r |
| | 1744 | CopyMem (AcpiTableInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdp3->OemId));\r |
| | 1745 | AcpiTableInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r |
| | 1746 | AcpiTableInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r |
| | 1747 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1748 | AcpiTableInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiTableInstance->Rsdt3;\r |
| | 1749 | }\r |
| | 1750 | CurrentData = (UINT64) (UINTN) AcpiTableInstance->Xsdt;\r |
| | 1751 | CopyMem (&AcpiTableInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r |
| | 1752 | SetMem (AcpiTableInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r |
| | 1753 | \r |
| | 1754 | if ((PcdGet32 (PcdAcpiExposedTableVersions) & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r |
| | 1755 | //\r |
| | 1756 | // Initialize Rsdt\r |
| | 1757 | //\r |
| | 1758 | // Note that we "reserve" one entry for the FADT so it can always be\r |
| | 1759 | // at the beginning of the list of tables. Some OS don't seem\r |
| | 1760 | // to find it correctly if it is too far down the list.\r |
| | 1761 | //\r |
| | 1762 | AcpiTableInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r |
| | 1763 | AcpiTableInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r |
| | 1764 | AcpiTableInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r |
| | 1765 | CopyMem (AcpiTableInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt1->OemId));\r |
| | 1766 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r |
| | 1767 | CopyMem (&AcpiTableInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r |
| | 1768 | AcpiTableInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| | 1769 | AcpiTableInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r |
| | 1770 | AcpiTableInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r |
| | 1771 | //\r |
| | 1772 | // We always reserve first one for FADT\r |
| | 1773 | //\r |
| | 1774 | AcpiTableInstance->NumberOfTableEntries1 = 1;\r |
| | 1775 | AcpiTableInstance->Rsdt1->Length = AcpiTableInstance->Rsdt1->Length + sizeof(UINT32);\r |
| | 1776 | \r |
| | 1777 | AcpiTableInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r |
| | 1778 | AcpiTableInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r |
| | 1779 | AcpiTableInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r |
| | 1780 | CopyMem (AcpiTableInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Rsdt3->OemId));\r |
| | 1781 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r |
| | 1782 | CopyMem (&AcpiTableInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r |
| | 1783 | AcpiTableInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| | 1784 | AcpiTableInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r |
| | 1785 | AcpiTableInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r |
| | 1786 | //\r |
| | 1787 | // We always reserve first one for FADT\r |
| | 1788 | //\r |
| | 1789 | AcpiTableInstance->Rsdt3->Length = AcpiTableInstance->Rsdt3->Length + sizeof(UINT32);\r |
| | 1790 | }\r |
| | 1791 | AcpiTableInstance->NumberOfTableEntries3 = 1;\r |
| | 1792 | \r |
| | 1793 | //\r |
| | 1794 | // Initialize Xsdt\r |
| | 1795 | //\r |
| | 1796 | AcpiTableInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r |
| | 1797 | AcpiTableInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r |
| | 1798 | AcpiTableInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r |
| | 1799 | CopyMem (AcpiTableInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiTableInstance->Xsdt->OemId));\r |
| | 1800 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r |
| | 1801 | CopyMem (&AcpiTableInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r |
| | 1802 | AcpiTableInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| | 1803 | AcpiTableInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r |
| | 1804 | AcpiTableInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r |
| | 1805 | //\r |
| | 1806 | // We always reserve first one for FADT\r |
| | 1807 | //\r |
| | 1808 | AcpiTableInstance->Xsdt->Length = AcpiTableInstance->Xsdt->Length + sizeof(UINT64);\r |
| | 1809 | \r |
| | 1810 | ChecksumCommonTables (AcpiTableInstance);\r |
| | 1811 | \r |
| | 1812 | //\r |
| | 1813 | // Completed successfully\r |
| | 1814 | //\r |
| | 1815 | return EFI_SUCCESS;\r |
| | 1816 | }\r |
| | 1817 | \r |
projects / mirror_edk2.git / blame_incremental