projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 8a96515e | 1 | /** @file\r |
| 2 | ACPI Support Protocol implementation\r | |
| 3 | \r | |
| e84f07b5 | 4 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
| 8a96515e | 5 | \r |
| 6 | This program and the accompanying materials\r | |
| 7 | are licensed and made available under the terms and conditions\r | |
| 8 | of the BSD License which accompanies this distribution. The\r | |
| 9 | full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | **/\r | |
| 16 | \r | |
| 17 | //\r | |
| 18 | // Includes\r | |
| 19 | //\r | |
| 20 | #include "AcpiSupport.h"\r | |
| 21 | //\r | |
| 22 | // The maximum number of tables that pre-allocated. \r | |
| 23 | //\r | |
| 24 | UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES; \r | |
| 25 | /**\r | |
| 26 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
| 27 | allocate the correct type of memory and properly align the table.\r | |
| 28 | \r | |
| 29 | @param AcpiSupportInstance Instance of the protocol.\r | |
| 30 | @param Table Table to add.\r | |
| 31 | @param Checksum Does the table require checksumming.\r | |
| 32 | @param Version The version of the list to add the table to.\r | |
| 33 | @param Handle Pointer for returning the handle.\r | |
| 34 | \r | |
| 35 | @return EFI_SUCCESS The function completed successfully.\r | |
| 36 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
| 37 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
| 38 | to be unique.\r | |
| 39 | **/\r | |
| 40 | EFI_STATUS\r | |
| 41 | AddTableToList (\r | |
| 42 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r | |
| 43 | IN VOID *Table,\r | |
| 44 | IN BOOLEAN Checksum,\r | |
| 45 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 46 | OUT UINTN *Handle\r | |
| 47 | );\r | |
| 48 | /**\r | |
| 49 | This function finds and removes the table specified by the handle.\r | |
| 50 | \r | |
| 51 | @param AcpiSupportInstance Instance of the protocol.\r | |
| 52 | @param Version Bitmask of which versions to remove.\r | |
| 53 | @param Handle Table to remove.\r | |
| 54 | \r | |
| 55 | @return EFI_SUCCESS The function completed successfully.\r | |
| 56 | @return EFI_ABORTED An error occurred.\r | |
| 57 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
| 58 | **/\r | |
| 59 | EFI_STATUS\r | |
| 60 | RemoveTableFromList (\r | |
| 61 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r | |
| 62 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 63 | IN UINTN Handle\r | |
| 64 | );\r | |
| 65 | /**\r | |
| 66 | This function calculates and updates an UINT8 checksum.\r | |
| 67 | \r | |
| 68 | @param Buffer Pointer to buffer to checksum\r | |
| 69 | @param Size Number of bytes to checksum\r | |
| 70 | @param ChecksumOffset Offset to place the checksum result in\r | |
| 71 | \r | |
| 72 | @return EFI_SUCCESS The function completed successfully.\r | |
| 73 | **/\r | |
| 74 | EFI_STATUS\r | |
| 75 | AcpiPlatformChecksum (\r | |
| 76 | IN VOID *Buffer,\r | |
| 77 | IN UINTN Size,\r | |
| 78 | IN UINTN ChecksumOffset\r | |
| 79 | );\r | |
| 80 | /**\r | |
| 81 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
| 82 | \r | |
| 83 | @param AcpiSupportInstance Protocol instance private data.\r | |
| 84 | \r | |
| 85 | @return EFI_SUCCESS The function completed successfully.\r | |
| 86 | \r | |
| 87 | **/\r | |
| 88 | EFI_STATUS\r | |
| 89 | ChecksumCommonTables (\r | |
| 90 | IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r | |
| 91 | );\r | |
| 92 | \r | |
| 93 | /**\r | |
| 94 | This function returns a table specified by an index if it exists. \r | |
| 95 | \r | |
| 96 | The function returns a buffer containing the table that the caller must free. \r | |
| 97 | The function also returns a handle used to identify the table for update or \r | |
| 98 | deletion using the SetAcpiTable function.\r | |
| 99 | \r | |
| 100 | @param This Instance of the protocol.\r | |
| 101 | @param Index Zero-based index of the table to retrieve.\r | |
| 102 | @param Table Returned pointer to the table.\r | |
| 103 | @param Version Versions that the table is currently used in.\r | |
| 104 | @param Handle Handle of the table, used in updating tables.\r | |
| 105 | \r | |
| 106 | @retval EFI_SUCCESS The function completed successfully.\r | |
| 107 | @retval EFI_NOT_FOUND The requested table does not exist.\r | |
| 108 | \r | |
| 109 | **/\r | |
| 110 | EFI_STATUS\r | |
| 111 | EFIAPI\r | |
| 112 | GetAcpiTable (\r | |
| 113 | IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r | |
| 114 | IN INTN Index,\r | |
| 115 | OUT VOID **Table,\r | |
| 116 | OUT EFI_ACPI_TABLE_VERSION *Version,\r | |
| 117 | OUT UINTN *Handle\r | |
| 118 | )\r | |
| 119 | \r | |
| 120 | {\r | |
| 121 | EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r | |
| 122 | INTN TempIndex;\r | |
| 123 | LIST_ENTRY *CurrentLink;\r | |
| 124 | LIST_ENTRY *StartLink;\r | |
| 125 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
| 126 | \r | |
| 127 | //\r | |
| 128 | // Check for invalid input parameters\r | |
| 129 | //\r | |
| 130 | ASSERT (This);\r | |
| 131 | ASSERT (Table);\r | |
| 132 | ASSERT (Handle);\r | |
| 133 | \r | |
| 134 | //\r | |
| 135 | // Get the instance of the protocol\r | |
| 136 | //\r | |
| 137 | AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r | |
| 138 | \r | |
| 139 | //\r | |
| 140 | // Find the table\r | |
| 141 | //\r | |
| 142 | CurrentLink = AcpiSupportInstance->TableList.ForwardLink;\r | |
| 143 | StartLink = &AcpiSupportInstance->TableList;\r | |
| 144 | for (TempIndex = 0; (TempIndex < Index) && (CurrentLink != StartLink) && (CurrentLink != NULL); TempIndex++) {\r | |
| 145 | CurrentLink = CurrentLink->ForwardLink;\r | |
| 146 | }\r | |
| 147 | \r | |
| 148 | if (TempIndex != Index || CurrentLink == StartLink) {\r | |
| 149 | return EFI_NOT_FOUND;\r | |
| 150 | }\r | |
| 151 | //\r | |
| 152 | // Get handle and version\r | |
| 153 | //\r | |
| 154 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
| 155 | *Handle = CurrentTable->Handle;\r | |
| 156 | *Version = CurrentTable->Version;\r | |
| 157 | \r | |
| 158 | //\r | |
| 159 | // Copy the table\r | |
| 160 | //\r | |
| 161 | *Table = AllocateCopyPool (CurrentTable->Table->Length, CurrentTable->Table);\r | |
| 162 | ASSERT (*Table);\r | |
| 163 | \r | |
| 164 | return EFI_SUCCESS;\r | |
| 165 | }\r | |
| 166 | /**\r | |
| 167 | This function adds, removes, or updates ACPI tables. If the address is not\r | |
| 168 | null and the handle value is null, the table is added. If both the address and \r | |
| 169 | handle are not null, the table at handle is updated with the table at address.\r | |
| 170 | If the address is null and the handle is not, the table at handle is deleted.\r | |
| 171 | \r | |
| 172 | @param This Pointer of the protocol.\r | |
| 173 | @param Table Pointer to a table.\r | |
| 174 | @param Checksum Boolean indicating if the checksum should be calculated.\r | |
| 175 | @param Version Version(s) to set.\r | |
| 176 | @param Handle Handle of the table.\r | |
| 177 | \r | |
| 178 | @return EFI_SUCCESS The function completed successfully.\r | |
| 179 | @return EFI_INVALID_PARAMETER Both the Table and *Handle were NULL.\r | |
| 180 | @return EFI_ABORTED Could not complete the desired request.\r | |
| 181 | \r | |
| 182 | **/\r | |
| 183 | EFI_STATUS\r | |
| 184 | EFIAPI\r | |
| 185 | SetAcpiTable (\r | |
| 186 | IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r | |
| 187 | IN VOID *Table OPTIONAL,\r | |
| 188 | IN BOOLEAN Checksum,\r | |
| 189 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 190 | IN OUT UINTN *Handle\r | |
| 191 | )\r | |
| 192 | {\r | |
| 193 | EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r | |
| 194 | UINTN SavedHandle;\r | |
| 195 | EFI_STATUS Status;\r | |
| 196 | \r | |
| 197 | //\r | |
| 198 | // Check for invalid input parameters\r | |
| 199 | //\r | |
| 200 | ASSERT (This);\r | |
| 201 | ASSERT (Handle != NULL);\r | |
| 202 | \r | |
| 203 | //\r | |
| 204 | // Get the instance of the protocol\r | |
| 205 | //\r | |
| 206 | AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r | |
| 207 | \r | |
| 208 | //\r | |
| 209 | // Initialize locals\r | |
| 210 | //\r | |
| 211 | //\r | |
| 212 | // Determine desired action\r | |
| 213 | //\r | |
| 214 | if (*Handle == 0) {\r | |
| 215 | if (Table == NULL) {\r | |
| 216 | //\r | |
| 217 | // Invalid parameter combination\r | |
| 218 | //\r | |
| 219 | return EFI_INVALID_PARAMETER;\r | |
| 220 | } else {\r | |
| 221 | //\r | |
| 222 | // Add table\r | |
| 223 | //\r | |
| 224 | Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle);\r | |
| 225 | }\r | |
| 226 | } else {\r | |
| 227 | if (Table != NULL) {\r | |
| 228 | //\r | |
| 229 | // Update table\r | |
| 230 | //\r | |
| 231 | //\r | |
| 232 | // Delete the table list entry\r | |
| 233 | //\r | |
| 234 | Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle);\r | |
| 235 | if (EFI_ERROR (Status)) {\r | |
| 236 | //\r | |
| 237 | // Should not get an error here ever, but abort if we do.\r | |
| 238 | //\r | |
| 239 | return EFI_ABORTED;\r | |
| 240 | }\r | |
| 241 | //\r | |
| 242 | // Set the handle to replace the table at the same handle\r | |
| 243 | //\r | |
| 244 | SavedHandle = AcpiSupportInstance->CurrentHandle;\r | |
| 245 | AcpiSupportInstance->CurrentHandle = *Handle;\r | |
| 246 | \r | |
| 247 | //\r | |
| 248 | // Add the table\r | |
| 249 | //\r | |
| 250 | Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle);\r | |
| 251 | \r | |
| 252 | //\r | |
| 253 | // Restore the saved current handle\r | |
| 254 | //\r | |
| 255 | AcpiSupportInstance->CurrentHandle = SavedHandle;\r | |
| 256 | } else {\r | |
| 257 | //\r | |
| 258 | // Delete table\r | |
| 259 | //\r | |
| 260 | Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle);\r | |
| 261 | }\r | |
| 262 | }\r | |
| 263 | \r | |
| 264 | if (EFI_ERROR (Status)) {\r | |
| 265 | //\r | |
| 266 | // Should not get an error here ever, but abort if we do.\r | |
| 267 | //\r | |
| 268 | return EFI_ABORTED;\r | |
| 269 | }\r | |
| 270 | //\r | |
| 271 | // Done\r | |
| 272 | //\r | |
| 273 | return EFI_SUCCESS;\r | |
| 274 | }\r | |
| 275 | /**\r | |
| 276 | This function publishes the specified versions of the ACPI tables by\r | |
| 277 | installing EFI configuration table entries for them. Any combination of\r | |
| 278 | table versions can be published.\r | |
| 279 | \r | |
| 280 | @param This Pointer of the protocol.\r | |
| 281 | @param Version Version(s) to publish.\r | |
| 282 | \r | |
| 283 | @return EFI_SUCCESS The function completed successfully.\r | |
| 284 | @return EFI_ABORTED The function could not complete successfully.\r | |
| 285 | \r | |
| 286 | **/\r | |
| 287 | EFI_STATUS\r | |
| 288 | EFIAPI\r | |
| 289 | PublishTables (\r | |
| 290 | IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r | |
| 291 | IN EFI_ACPI_TABLE_VERSION Version\r | |
| 292 | )\r | |
| 293 | {\r | |
| 294 | EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r | |
| 295 | EFI_STATUS Status;\r | |
| 296 | UINT32 *CurrentRsdtEntry;\r | |
| 297 | VOID *CurrentXsdtEntry;\r | |
| 298 | UINT64 Buffer64;\r | |
| 299 | \r | |
| 300 | //\r | |
| 301 | // Get the instance of the protocol\r | |
| 302 | //\r | |
| 303 | AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r | |
| 304 | \r | |
| 305 | //\r | |
| 306 | // Reorder tables as some operating systems don't seem to find the\r | |
| 307 | // FADT correctly if it is not in the first few entries\r | |
| 308 | //\r | |
| 309 | \r | |
| 310 | //\r | |
| 311 | // Add FADT as the first entry\r | |
| 312 | //\r | |
| 313 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 314 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
| 315 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt1;\r | |
| 316 | }\r | |
| 317 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 318 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
| 319 | *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt3;\r | |
| 320 | CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiSupportInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r | |
| 321 | //\r | |
| 322 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
| 323 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
| 324 | //\r | |
| 325 | Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Fadt3;\r | |
| 326 | CopyMem (\r | |
| 327 | CurrentXsdtEntry,\r | |
| 328 | &Buffer64,\r | |
| 329 | sizeof (UINT64)\r | |
| 330 | );\r | |
| 331 | }\r | |
| 332 | \r | |
| 333 | //\r | |
| 334 | // Do checksum again because Dsdt/Xsdt is updated.\r | |
| 335 | //\r | |
| 336 | ChecksumCommonTables (AcpiSupportInstance);\r | |
| 337 | \r | |
| 338 | //\r | |
| 339 | // Add the RSD_PTR to the system table and store that we have installed the\r | |
| 340 | // tables.\r | |
| 341 | //\r | |
| 342 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && !AcpiSupportInstance->TablesInstalled1) {\r | |
| 343 | Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiSupportInstance->Rsdp1);\r | |
| 344 | if (EFI_ERROR (Status)) {\r | |
| 345 | return EFI_ABORTED;\r | |
| 346 | }\r | |
| 347 | \r | |
| 348 | AcpiSupportInstance->TablesInstalled1 = TRUE;\r | |
| 349 | }\r | |
| 350 | \r | |
| 351 | if (((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) &&\r | |
| 352 | !AcpiSupportInstance->TablesInstalled3) {\r | |
| 353 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiSupportInstance->Rsdp3);\r | |
| 354 | if (EFI_ERROR (Status)) {\r | |
| 355 | return EFI_ABORTED;\r | |
| 356 | }\r | |
| 357 | \r | |
| 358 | AcpiSupportInstance->TablesInstalled3= TRUE;\r | |
| 359 | }\r | |
| 360 | \r | |
| 361 | return EFI_SUCCESS;\r | |
| 362 | }\r | |
| 363 | /**\r | |
| 364 | Installs an ACPI table into the RSDT/XSDT.\r | |
| 365 | Note that the ACPI table should be checksumed before installing it.\r | |
| 366 | Otherwise it will assert.\r | |
| 367 | \r | |
| 368 | @param This Protocol instance pointer.\r | |
| 369 | @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r | |
| 370 | @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r | |
| 371 | @param TableKey Reurns a key to refer to the ACPI table.\r | |
| 372 | \r | |
| 373 | @return EFI_SUCCESS The table was successfully inserted.\r | |
| 374 | @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize \r | |
| 375 | and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r | |
| 376 | are not in sync.\r | |
| 377 | @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r | |
| 378 | \r | |
| 379 | **/\r | |
| 380 | EFI_STATUS\r | |
| 381 | EFIAPI\r | |
| 382 | InstallAcpiTable (\r | |
| 383 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r | |
| 384 | IN VOID *AcpiTableBuffer,\r | |
| 385 | IN UINTN AcpiTableBufferSize,\r | |
| 386 | OUT UINTN *TableKey\r | |
| 387 | )\r | |
| 388 | {\r | |
| 389 | EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r | |
| 390 | EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;\r | |
| 391 | EFI_STATUS Status;\r | |
| 392 | VOID *AcpiTableBufferConst;\r | |
| 8a96515e | 393 | \r |
| 394 | //\r | |
| 395 | // Check for invalid input parameters\r | |
| 396 | //\r | |
| 397 | if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r | |
| 398 | || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r | |
| 399 | return EFI_INVALID_PARAMETER;\r | |
| 400 | }\r | |
| 401 | \r | |
| 8a96515e | 402 | //\r |
| 403 | // Get the instance of the ACPI support protocol\r | |
| 404 | //\r | |
| 405 | AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r | |
| 406 | AcpiSupport = &AcpiSupportInstance->AcpiSupport;\r | |
| 407 | \r | |
| 408 | //\r | |
| 409 | // Install the ACPI table by using ACPI support protocol\r | |
| 410 | //\r | |
| 411 | AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize, AcpiTableBuffer);\r | |
| 412 | *TableKey = 0;\r | |
| 413 | Status = AcpiSupport->SetAcpiTable (\r | |
| 414 | AcpiSupport,\r | |
| 415 | AcpiTableBufferConst,\r | |
| 71824dd8 | 416 | TRUE,\r |
| 8a96515e | 417 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r |
| 418 | TableKey\r | |
| 419 | );\r | |
| 420 | if (!EFI_ERROR (Status)) {\r | |
| 421 | Status = AcpiSupport->PublishTables (\r | |
| 422 | AcpiSupport,\r | |
| 423 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r | |
| 424 | );\r | |
| 425 | }\r | |
| 426 | FreePool (AcpiTableBufferConst);\r | |
| 427 | \r | |
| 428 | return Status;\r | |
| 429 | }\r | |
| 430 | /**\r | |
| 431 | Removes an ACPI table from the RSDT/XSDT.\r | |
| 432 | \r | |
| 433 | @param This Protocol instance pointer.\r | |
| 434 | @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r | |
| 435 | \r | |
| 436 | @return EFI_SUCCESS The table was successfully uninstalled.\r | |
| 437 | @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r | |
| 438 | \r | |
| 439 | **/\r | |
| 440 | EFI_STATUS\r | |
| 441 | EFIAPI\r | |
| 442 | UninstallAcpiTable (\r | |
| 443 | IN EFI_ACPI_TABLE_PROTOCOL *This,\r | |
| 444 | IN UINTN TableKey\r | |
| 445 | )\r | |
| 446 | {\r | |
| 447 | EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r | |
| 448 | EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;\r | |
| 449 | EFI_STATUS Status;\r | |
| 450 | \r | |
| 451 | //\r | |
| 452 | // Get the instance of the ACPI support protocol\r | |
| 453 | //\r | |
| 454 | AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r | |
| 455 | AcpiSupport = &AcpiSupportInstance->AcpiSupport;\r | |
| 456 | \r | |
| 457 | //\r | |
| 458 | // Uninstall the ACPI table by using ACPI support protocol\r | |
| 459 | //\r | |
| 460 | Status = AcpiSupport->SetAcpiTable (\r | |
| 461 | AcpiSupport,\r | |
| 462 | NULL,\r | |
| 463 | FALSE,\r | |
| 464 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r | |
| 465 | &TableKey\r | |
| 466 | );\r | |
| 467 | if (!EFI_ERROR (Status)) {\r | |
| 468 | Status = AcpiSupport->PublishTables (\r | |
| 469 | AcpiSupport,\r | |
| 470 | EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r | |
| 471 | );\r | |
| 472 | }\r | |
| 473 | \r | |
| 474 | if (EFI_ERROR (Status)) {\r | |
| 475 | return EFI_NOT_FOUND;\r | |
| 476 | } else {\r | |
| 477 | return EFI_SUCCESS;\r | |
| 478 | }\r | |
| 479 | }\r | |
| 480 | /**\r | |
| 481 | If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r | |
| 482 | \r | |
| 483 | @param AcpiSupportInstance ACPI support protocol instance data structure\r | |
| 484 | \r | |
| 485 | @return EFI_SUCCESS reallocate the table beffer successfully.\r | |
| 486 | @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
| 487 | \r | |
| 488 | **/\r | |
| 489 | EFI_STATUS\r | |
| 490 | ReallocateAcpiTableBuffer (\r | |
| 491 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r | |
| 492 | )\r | |
| 493 | {\r | |
| 494 | UINTN NewMaxTableNumber;\r | |
| 495 | UINTN TotalSize;\r | |
| 496 | UINT8 *Pointer;\r | |
| 497 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 498 | EFI_ACPI_SUPPORT_INSTANCE TempPrivateData;\r | |
| 499 | EFI_STATUS Status;\r | |
| 500 | UINT64 CurrentData;\r | |
| 501 | \r | |
| 502 | CopyMem (&TempPrivateData, AcpiSupportInstance, sizeof (EFI_ACPI_SUPPORT_INSTANCE)); \r | |
| 503 | //\r | |
| 504 | // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r | |
| 505 | //\r | |
| 506 | NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r | |
| 507 | //\r | |
| 508 | // Create RSDT, XSDT structures and allocate buffers.\r | |
| 509 | //\r | |
| 510 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 511 | NewMaxTableNumber * sizeof (UINT32) +\r | |
| 512 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 513 | NewMaxTableNumber * sizeof (UINT32) +\r | |
| 514 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
| 515 | NewMaxTableNumber * sizeof (UINT64);\r | |
| 516 | \r | |
| 517 | //\r | |
| 518 | // Allocate memory in the lower 32 bit of address range for\r | |
| 519 | // compatibility with ACPI 1.0 OS.\r | |
| 520 | //\r | |
| 521 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 522 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 523 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 524 | // for convenience of implementation that we force memory below 4GB.\r | |
| 525 | //\r | |
| 526 | PageAddress = 0xFFFFFFFF;\r | |
| 527 | Status = gBS->AllocatePages (\r | |
| 528 | AllocateMaxAddress,\r | |
| 529 | EfiACPIReclaimMemory,\r | |
| 530 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
| 531 | &PageAddress\r | |
| 532 | );\r | |
| 533 | \r | |
| 534 | if (EFI_ERROR (Status)) {\r | |
| 535 | return EFI_OUT_OF_RESOURCES;\r | |
| 536 | }\r | |
| 537 | \r | |
| 538 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 539 | ZeroMem (Pointer, TotalSize);\r | |
| 540 | \r | |
| 541 | AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 542 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
| 543 | AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 544 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r | |
| 545 | AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 546 | \r | |
| 547 | //\r | |
| 548 | // Update RSDP to point to the new Rsdt and Xsdt address.\r | |
| 549 | //\r | |
| 550 | AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1;\r | |
| 551 | AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3;\r | |
| 552 | CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt;\r | |
| 553 | CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
| 554 | \r | |
| 555 | //\r | |
| 556 | // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer \r | |
| 557 | //\r | |
| 558 | CopyMem (AcpiSupportInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
| 559 | CopyMem (AcpiSupportInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); \r | |
| 560 | CopyMem (AcpiSupportInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r | |
| 561 | \r | |
| 562 | //\r | |
| 563 | // Calculate orignal ACPI table buffer size\r | |
| 564 | //\r | |
| 565 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 566 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 567 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 568 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 569 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
| 570 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
| 571 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize));\r | |
| 572 | \r | |
| 573 | //\r | |
| 574 | // Update the Max ACPI table number\r | |
| 575 | // \r | |
| 576 | mEfiAcpiMaxNumTables = NewMaxTableNumber;\r | |
| 577 | return EFI_SUCCESS;\r | |
| 578 | }\r | |
| 579 | /**\r | |
| 580 | This function adds an ACPI table to the table list. It will detect FACS and\r | |
| 581 | allocate the correct type of memory and properly align the table.\r | |
| 582 | \r | |
| 583 | @param AcpiSupportInstance Instance of the protocol.\r | |
| 584 | @param Table Table to add.\r | |
| 585 | @param Checksum Does the table require checksumming.\r | |
| 586 | @param Version The version of the list to add the table to.\r | |
| 587 | @param Handle Pointer for returning the handle.\r | |
| 588 | \r | |
| 589 | @return EFI_SUCCESS The function completed successfully.\r | |
| 590 | @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
| 591 | @return EFI_ABORTED The table is a duplicate of a table that is required\r | |
| 592 | to be unique.\r | |
| 593 | **/\r | |
| 594 | EFI_STATUS\r | |
| 595 | AddTableToList (\r | |
| 596 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r | |
| 597 | IN VOID *Table,\r | |
| 598 | IN BOOLEAN Checksum,\r | |
| 599 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 600 | OUT UINTN *Handle\r | |
| 601 | )\r | |
| 602 | {\r | |
| 603 | EFI_STATUS Status;\r | |
| 604 | EFI_ACPI_TABLE_LIST *CurrentTableList;\r | |
| 605 | UINT32 CurrentTableSignature;\r | |
| 606 | UINT32 CurrentTableSize;\r | |
| 607 | UINT32 *CurrentRsdtEntry;\r | |
| 608 | VOID *CurrentXsdtEntry;\r | |
| 609 | UINT64 Buffer64;\r | |
| 610 | BOOLEAN AddToRsdt;\r | |
| 611 | \r | |
| 612 | //\r | |
| 613 | // Check for invalid input parameters\r | |
| 614 | //\r | |
| 615 | ASSERT (AcpiSupportInstance);\r | |
| 616 | ASSERT (Table);\r | |
| 617 | ASSERT (Handle);\r | |
| 618 | \r | |
| 619 | //\r | |
| 620 | // Init locals\r | |
| 621 | //\r | |
| 622 | AddToRsdt = TRUE;\r | |
| 623 | \r | |
| 624 | //\r | |
| 625 | // Create a new list entry\r | |
| 626 | //\r | |
| 627 | CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r | |
| 628 | ASSERT (CurrentTableList);\r | |
| 629 | \r | |
| 630 | //\r | |
| 631 | // Determine table type and size\r | |
| 632 | //\r | |
| 633 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r | |
| 634 | CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r | |
| 635 | \r | |
| 636 | //\r | |
| 637 | // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r | |
| 638 | // for backwards compatibility with ACPI 1.0 OS.\r | |
| 639 | //\r | |
| 640 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 641 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 642 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 643 | // for convenience of implementation that we force memory below 4GB.\r | |
| 644 | //\r | |
| 645 | CurrentTableList->PageAddress = 0xFFFFFFFF;\r | |
| 646 | CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r | |
| 647 | \r | |
| 648 | //\r | |
| 649 | // Allocation memory type depends on the type of the table\r | |
| 650 | //\r | |
| 651 | if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || \r | |
| 652 | (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r | |
| 653 | //\r | |
| 654 | // Allocate memory for the FACS. This structure must be aligned\r | |
| 655 | // on a 64 byte boundary and must be ACPI NVS memory.\r | |
| 656 | // Using AllocatePages should ensure that it is always aligned.\r | |
| 657 | // Do not change signature for new ACPI version because they are same.\r | |
| 658 | //\r | |
| 659 | // UEFI table also need to be in ACPI NVS memory, because some data field\r | |
| 660 | // could be updated by OS present agent. For example, BufferPtrAddress in\r | |
| 661 | // SMM communication ACPI table.\r | |
| 662 | //\r | |
| 663 | ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r | |
| 664 | Status = gBS->AllocatePages (\r | |
| 665 | AllocateMaxAddress,\r | |
| 666 | EfiACPIMemoryNVS,\r | |
| 667 | CurrentTableList->NumberOfPages,\r | |
| 668 | &CurrentTableList->PageAddress\r | |
| 669 | );\r | |
| 670 | } else {\r | |
| 671 | //\r | |
| 672 | // All other tables are ACPI reclaim memory, no alignment requirements.\r | |
| 673 | //\r | |
| 674 | Status = gBS->AllocatePages (\r | |
| 675 | AllocateMaxAddress,\r | |
| 676 | EfiACPIReclaimMemory,\r | |
| 677 | CurrentTableList->NumberOfPages,\r | |
| 678 | &CurrentTableList->PageAddress\r | |
| 679 | );\r | |
| 680 | }\r | |
| 681 | //\r | |
| 682 | // Check return value from memory alloc.\r | |
| 683 | //\r | |
| 684 | if (EFI_ERROR (Status)) {\r | |
| 685 | gBS->FreePool (CurrentTableList);\r | |
| 686 | return EFI_OUT_OF_RESOURCES;\r | |
| 687 | }\r | |
| 688 | //\r | |
| 689 | // Update the table pointer with the allocated memory start\r | |
| 690 | //\r | |
| 691 | CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r | |
| 692 | \r | |
| 693 | //\r | |
| 694 | // Initialize the table contents\r | |
| 695 | //\r | |
| 696 | CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r | |
| 697 | CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r | |
| 698 | CurrentTableList->Handle = AcpiSupportInstance->CurrentHandle++;\r | |
| 699 | *Handle = CurrentTableList->Handle;\r | |
| 700 | CurrentTableList->Version = Version;\r | |
| 701 | \r | |
| 702 | //\r | |
| 703 | // Update internal pointers if this is a required table. If it is a required\r | |
| 704 | // table and a table of that type already exists, return an error.\r | |
| 705 | //\r | |
| 706 | // Calculate the checksum if the table is not FACS.\r | |
| 707 | //\r | |
| 708 | switch (CurrentTableSignature) {\r | |
| 709 | \r | |
| 710 | case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 711 | //\r | |
| 712 | // We don't add the FADT in the standard way because some\r | |
| 713 | // OS expect the FADT to be early in the table list.\r | |
| 714 | // So we always add it as the first element in the list.\r | |
| 715 | //\r | |
| 716 | AddToRsdt = FALSE;\r | |
| 717 | \r | |
| 718 | //\r | |
| 719 | // Check that the table has not been previously added.\r | |
| 720 | //\r | |
| 721 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Fadt1 != NULL) ||\r | |
| 722 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Fadt3 != NULL) ||\r | |
| 723 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Fadt3 != NULL)\r | |
| 724 | ) {\r | |
| 725 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 726 | gBS->FreePool (CurrentTableList);\r | |
| 727 | return EFI_ABORTED;\r | |
| 728 | }\r | |
| 729 | //\r | |
| 730 | // Add the table to the appropriate table version\r | |
| 731 | //\r | |
| 732 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 733 | //\r | |
| 734 | // Save a pointer to the table\r | |
| 735 | //\r | |
| 736 | AcpiSupportInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
| 737 | \r | |
| 738 | //\r | |
| 739 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
| 740 | //\r | |
| 741 | AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1;\r | |
| 742 | AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1;\r | |
| 743 | \r | |
| 744 | //\r | |
| 745 | // RSDP OEM information is updated to match the FADT OEM information\r | |
| 746 | //\r | |
| 747 | CopyMem (\r | |
| 748 | &AcpiSupportInstance->Rsdp1->OemId,\r | |
| 749 | &AcpiSupportInstance->Fadt1->Header.OemId,\r | |
| 750 | 6\r | |
| 751 | );\r | |
| 752 | \r | |
| 753 | //\r | |
| 754 | // RSDT OEM information is updated to match the FADT OEM information.\r | |
| 755 | //\r | |
| 756 | CopyMem (\r | |
| 757 | &AcpiSupportInstance->Rsdt1->OemId,\r | |
| 758 | &AcpiSupportInstance->Fadt1->Header.OemId,\r | |
| 759 | 6\r | |
| 760 | );\r | |
| 761 | \r | |
| 762 | CopyMem (\r | |
| 763 | &AcpiSupportInstance->Rsdt1->OemTableId,\r | |
| 764 | &AcpiSupportInstance->Fadt1->Header.OemTableId,\r | |
| 765 | sizeof (UINT64)\r | |
| 766 | );\r | |
| 767 | AcpiSupportInstance->Rsdt1->OemRevision = AcpiSupportInstance->Fadt1->Header.OemRevision;\r | |
| 768 | }\r | |
| 769 | \r | |
| 770 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 771 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 772 | //\r | |
| 773 | // Save a pointer to the table\r | |
| 774 | //\r | |
| 775 | AcpiSupportInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r | |
| 776 | \r | |
| 777 | //\r | |
| 778 | // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r | |
| c93776c2 JY |
779 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r |
| 780 | // vice-versa.\r | |
| 8a96515e | 781 | //\r |
| c93776c2 JY |
782 | if ((UINT64)(UINTN)AcpiSupportInstance->Facs3 < BASE_4GB) {\r |
| 783 | AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3;\r | |
| 784 | ZeroMem (\r | |
| 785 | &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r | |
| 786 | sizeof (UINT64)\r | |
| 787 | );\r | |
| 788 | } else {\r | |
| 789 | AcpiSupportInstance->Fadt3->FirmwareCtrl = 0;\r | |
| 790 | Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3;\r | |
| 791 | CopyMem (\r | |
| 792 | &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r | |
| 793 | &Buffer64,\r | |
| 794 | sizeof (UINT64)\r | |
| 795 | );\r | |
| 796 | }\r | |
| 02317fc3 ED |
797 | AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3;\r |
| 798 | Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3;\r | |
| 799 | CopyMem (\r | |
| 800 | &AcpiSupportInstance->Fadt3->XDsdt,\r | |
| 801 | &Buffer64,\r | |
| 802 | sizeof (UINT64)\r | |
| 803 | );\r | |
| 8a96515e | 804 | \r |
| 02317fc3 ED |
805 | //\r |
| 806 | // RSDP OEM information is updated to match the FADT OEM information\r | |
| 807 | //\r | |
| 808 | CopyMem (\r | |
| 809 | &AcpiSupportInstance->Rsdp3->OemId,\r | |
| 810 | &AcpiSupportInstance->Fadt3->Header.OemId,\r | |
| 811 | 6\r | |
| 812 | );\r | |
| 1b5592bf | 813 | \r |
| 02317fc3 ED |
814 | //\r |
| 815 | // RSDT OEM information is updated to match FADT OEM information.\r | |
| 816 | //\r | |
| 817 | CopyMem (\r | |
| 818 | &AcpiSupportInstance->Rsdt3->OemId,\r | |
| 819 | &AcpiSupportInstance->Fadt3->Header.OemId,\r | |
| 820 | 6\r | |
| 821 | );\r | |
| 822 | CopyMem (\r | |
| 823 | &AcpiSupportInstance->Rsdt3->OemTableId,\r | |
| 824 | &AcpiSupportInstance->Fadt3->Header.OemTableId,\r | |
| 825 | sizeof (UINT64)\r | |
| 826 | );\r | |
| 827 | AcpiSupportInstance->Rsdt3->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;\r | |
| a3b4eb29 ED |
828 | \r |
| 829 | //\r | |
| 02317fc3 | 830 | // XSDT OEM information is updated to match FADT OEM information.\r |
| a3b4eb29 | 831 | //\r |
| 02317fc3 ED |
832 | CopyMem (\r |
| 833 | &AcpiSupportInstance->Xsdt->OemId,\r | |
| 834 | &AcpiSupportInstance->Fadt3->Header.OemId,\r | |
| 835 | 6\r | |
| 836 | );\r | |
| 837 | CopyMem (\r | |
| 838 | &AcpiSupportInstance->Xsdt->OemTableId,\r | |
| 839 | &AcpiSupportInstance->Fadt3->Header.OemTableId,\r | |
| 840 | sizeof (UINT64)\r | |
| 841 | );\r | |
| 842 | AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;\r | |
| 843 | }\r | |
| 844 | \r | |
| 845 | //\r | |
| 846 | // Checksum the table\r | |
| 847 | //\r | |
| 848 | if (Checksum) {\r | |
| 849 | AcpiPlatformChecksum (\r | |
| 850 | CurrentTableList->Table,\r | |
| 851 | CurrentTableList->Table->Length,\r | |
| 852 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 853 | Checksum)\r | |
| 854 | );\r | |
| 8a96515e | 855 | }\r |
| 856 | break;\r | |
| 857 | \r | |
| 858 | case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
| 859 | //\r | |
| 860 | // Check that the table has not been previously added.\r | |
| 861 | //\r | |
| 862 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Facs1 != NULL) ||\r | |
| 863 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Facs3 != NULL) ||\r | |
| 864 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Facs3 != NULL)\r | |
| 865 | ) {\r | |
| 866 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 867 | gBS->FreePool (CurrentTableList);\r | |
| 868 | return EFI_ABORTED;\r | |
| 869 | }\r | |
| 870 | //\r | |
| 871 | // FACS is referenced by FADT and is not part of RSDT\r | |
| 872 | //\r | |
| 873 | AddToRsdt = FALSE;\r | |
| 874 | \r | |
| 875 | //\r | |
| 876 | // Add the table to the appropriate table version\r | |
| 877 | //\r | |
| 878 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 879 | //\r | |
| 880 | // Save a pointer to the table\r | |
| 881 | //\r | |
| 882 | AcpiSupportInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
| 883 | \r | |
| 884 | //\r | |
| 885 | // If FADT already exists, update table pointers.\r | |
| 886 | //\r | |
| 887 | if (AcpiSupportInstance->Fadt1 != NULL) {\r | |
| 888 | AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1;\r | |
| 889 | \r | |
| 890 | //\r | |
| 891 | // Checksum FADT table\r | |
| 892 | //\r | |
| 893 | AcpiPlatformChecksum (\r | |
| 894 | AcpiSupportInstance->Fadt1,\r | |
| 895 | AcpiSupportInstance->Fadt1->Header.Length,\r | |
| 896 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 897 | Checksum)\r | |
| 898 | );\r | |
| 899 | }\r | |
| 900 | }\r | |
| 901 | \r | |
| 902 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 903 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 904 | //\r | |
| 905 | // Save a pointer to the table\r | |
| 906 | //\r | |
| 907 | AcpiSupportInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r | |
| 908 | \r | |
| 909 | //\r | |
| 910 | // If FADT already exists, update table pointers.\r | |
| 911 | //\r | |
| 912 | if (AcpiSupportInstance->Fadt3 != NULL) {\r | |
| c93776c2 JY |
913 | //\r |
| 914 | // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and \r | |
| 915 | // vice-versa.\r | |
| 916 | //\r | |
| 917 | if ((UINT64)(UINTN)AcpiSupportInstance->Facs3 < BASE_4GB) {\r | |
| 918 | AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3;\r | |
| 919 | } else {\r | |
| 920 | Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3;\r | |
| 921 | CopyMem (\r | |
| 922 | &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r | |
| 923 | &Buffer64,\r | |
| 924 | sizeof (UINT64)\r | |
| 925 | );\r | |
| 926 | }\r | |
| 8a96515e | 927 | \r |
| 928 | //\r | |
| 929 | // Checksum FADT table\r | |
| 930 | //\r | |
| 931 | AcpiPlatformChecksum (\r | |
| 932 | AcpiSupportInstance->Fadt3,\r | |
| 933 | AcpiSupportInstance->Fadt3->Header.Length,\r | |
| 934 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 935 | Checksum)\r | |
| 936 | );\r | |
| 937 | }\r | |
| 938 | }\r | |
| 939 | \r | |
| 940 | break;\r | |
| 941 | \r | |
| 942 | case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 943 | //\r | |
| 944 | // Check that the table has not been previously added.\r | |
| 945 | //\r | |
| 946 | if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Dsdt1 != NULL) ||\r | |
| 947 | ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL) ||\r | |
| 948 | ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL)\r | |
| 949 | ) {\r | |
| 950 | gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r | |
| 951 | gBS->FreePool (CurrentTableList);\r | |
| 952 | return EFI_ABORTED;\r | |
| 953 | }\r | |
| 954 | //\r | |
| 955 | // DSDT is referenced by FADT and is not part of RSDT\r | |
| 956 | //\r | |
| 957 | AddToRsdt = FALSE;\r | |
| 958 | \r | |
| 959 | //\r | |
| 960 | // Add the table to the appropriate table version\r | |
| 961 | //\r | |
| 962 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 963 | //\r | |
| 964 | // Save a pointer to the table\r | |
| 965 | //\r | |
| 966 | AcpiSupportInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
| 967 | \r | |
| 968 | //\r | |
| 969 | // If FADT already exists, update table pointers.\r | |
| 970 | //\r | |
| 971 | if (AcpiSupportInstance->Fadt1 != NULL) {\r | |
| 972 | AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1;\r | |
| 973 | \r | |
| 974 | //\r | |
| 975 | // Checksum FADT table\r | |
| 976 | //\r | |
| 977 | AcpiPlatformChecksum (\r | |
| 978 | AcpiSupportInstance->Fadt1,\r | |
| 979 | AcpiSupportInstance->Fadt1->Header.Length,\r | |
| 980 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 981 | Checksum)\r | |
| 982 | );\r | |
| 983 | }\r | |
| 984 | }\r | |
| 985 | \r | |
| 986 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 987 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 988 | //\r | |
| 989 | // Save a pointer to the table\r | |
| 990 | //\r | |
| 991 | AcpiSupportInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r | |
| 992 | \r | |
| 993 | //\r | |
| 994 | // If FADT already exists, update table pointers.\r | |
| 995 | //\r | |
| 996 | if (AcpiSupportInstance->Fadt3 != NULL) {\r | |
| 997 | AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3;\r | |
| 998 | Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3;\r | |
| 999 | CopyMem (\r | |
| 1000 | &AcpiSupportInstance->Fadt3->XDsdt,\r | |
| 1001 | &Buffer64,\r | |
| 1002 | sizeof (UINT64)\r | |
| 1003 | );\r | |
| 1004 | \r | |
| 1005 | //\r | |
| 1006 | // Checksum FADT table\r | |
| 1007 | //\r | |
| 1008 | AcpiPlatformChecksum (\r | |
| 1009 | AcpiSupportInstance->Fadt3,\r | |
| 1010 | AcpiSupportInstance->Fadt3->Header.Length,\r | |
| 1011 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1012 | Checksum)\r | |
| 1013 | );\r | |
| 1014 | }\r | |
| 1015 | } \r | |
| 1016 | //\r | |
| 1017 | // Checksum the table\r | |
| 1018 | //\r | |
| 1019 | if (Checksum) {\r | |
| 1020 | AcpiPlatformChecksum (\r | |
| 1021 | CurrentTableList->Table,\r | |
| 1022 | CurrentTableList->Table->Length,\r | |
| 1023 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1024 | Checksum)\r | |
| 1025 | );\r | |
| 1026 | }\r | |
| 1027 | break;\r | |
| 1028 | \r | |
| 1029 | default:\r | |
| 1030 | //\r | |
| 1031 | // Checksum the table\r | |
| 1032 | //\r | |
| 1033 | if (Checksum) {\r | |
| 1034 | AcpiPlatformChecksum (\r | |
| 1035 | CurrentTableList->Table,\r | |
| 1036 | CurrentTableList->Table->Length,\r | |
| 1037 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1038 | Checksum)\r | |
| 1039 | );\r | |
| 1040 | }\r | |
| 1041 | break;\r | |
| 1042 | }\r | |
| 1043 | //\r | |
| 1044 | // Add the table to the current list of tables\r | |
| 1045 | //\r | |
| 1046 | InsertTailList (&AcpiSupportInstance->TableList, &CurrentTableList->Link);\r | |
| 1047 | \r | |
| 1048 | //\r | |
| 1049 | // Add the table to RSDT and/or XSDT table entry lists.\r | |
| 1050 | //\r | |
| 1051 | //\r | |
| 1052 | // Add to ACPI 1.0b table tree\r | |
| 1053 | //\r | |
| 1054 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1055 | if (AddToRsdt) {\r | |
| 1056 | //\r | |
| 1057 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
| 1058 | //\r | |
| 1059 | if (AcpiSupportInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r | |
| 1060 | Status = ReallocateAcpiTableBuffer (AcpiSupportInstance);\r | |
| 1061 | ASSERT_EFI_ERROR (Status);\r | |
| 1062 | }\r | |
| 1063 | CurrentRsdtEntry = (UINT32 *)\r | |
| 1064 | (\r | |
| 1065 | (UINT8 *) AcpiSupportInstance->Rsdt1 +\r | |
| 1066 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
| 1067 | AcpiSupportInstance->NumberOfTableEntries1 *\r | |
| 1068 | sizeof (UINT32)\r | |
| 1069 | );\r | |
| 1070 | \r | |
| 1071 | //\r | |
| 1072 | // Add entry to the RSDT unless its the FACS or DSDT\r | |
| 1073 | //\r | |
| 1074 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
| 1075 | \r | |
| 1076 | //\r | |
| 1077 | // Update RSDT length\r | |
| 1078 | //\r | |
| 1079 | AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof (UINT32);\r | |
| 1080 | \r | |
| 1081 | AcpiSupportInstance->NumberOfTableEntries1++;\r | |
| 1082 | }\r | |
| 1083 | }\r | |
| 1084 | //\r | |
| 1085 | // Add to ACPI 2.0/3.0 table tree\r | |
| 1086 | //\r | |
| 1087 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 1088 | if (AddToRsdt) {\r | |
| 1089 | //\r | |
| 1090 | // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r | |
| 1091 | //\r | |
| 1092 | if (AcpiSupportInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r | |
| 1093 | Status = ReallocateAcpiTableBuffer (AcpiSupportInstance);\r | |
| 1094 | ASSERT_EFI_ERROR (Status);\r | |
| 1095 | } \r | |
| 1096 | //\r | |
| 1097 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
| 1098 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
| 1099 | //\r | |
| 1100 | CurrentRsdtEntry = (UINT32 *)\r | |
| 1101 | (\r | |
| 1102 | (UINT8 *) AcpiSupportInstance->Rsdt3 +\r | |
| 1103 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
| 1104 | AcpiSupportInstance->NumberOfTableEntries3 *\r | |
| 1105 | sizeof (UINT32)\r | |
| 1106 | );\r | |
| 1107 | \r | |
| 1108 | //\r | |
| 1109 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
| 1110 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
| 1111 | //\r | |
| 1112 | CurrentXsdtEntry = (VOID *)\r | |
| 1113 | (\r | |
| 1114 | (UINT8 *) AcpiSupportInstance->Xsdt +\r | |
| 1115 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r | |
| 1116 | AcpiSupportInstance->NumberOfTableEntries3 *\r | |
| 1117 | sizeof (UINT64)\r | |
| 1118 | );\r | |
| 1119 | \r | |
| 1120 | //\r | |
| 1121 | // Add entry to the RSDT\r | |
| 1122 | //\r | |
| 1123 | *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r | |
| 1124 | \r | |
| 1125 | //\r | |
| 1126 | // Update RSDT length\r | |
| 1127 | //\r | |
| 1128 | AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof (UINT32);\r | |
| 1129 | \r | |
| 1130 | //\r | |
| 1131 | // Add entry to XSDT, XSDT expects 64 bit pointers, but\r | |
| 1132 | // the table pointers in XSDT are not aligned on 8 byte boundary.\r | |
| 1133 | //\r | |
| 1134 | Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r | |
| 1135 | CopyMem (\r | |
| 1136 | CurrentXsdtEntry,\r | |
| 1137 | &Buffer64,\r | |
| 1138 | sizeof (UINT64)\r | |
| 1139 | );\r | |
| 1140 | \r | |
| 1141 | //\r | |
| 1142 | // Update length\r | |
| 1143 | //\r | |
| 1144 | AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof (UINT64);\r | |
| 1145 | \r | |
| 1146 | AcpiSupportInstance->NumberOfTableEntries3++;\r | |
| 1147 | }\r | |
| 1148 | }\r | |
| 1149 | \r | |
| 1150 | ChecksumCommonTables (AcpiSupportInstance);\r | |
| 1151 | return EFI_SUCCESS;\r | |
| 1152 | }\r | |
| 1153 | /**\r | |
| 1154 | This function finds the table specified by the handle and returns a pointer to it.\r | |
| 1155 | If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r | |
| 1156 | undefined.\r | |
| 1157 | \r | |
| 1158 | @param Handle Table to find.\r | |
| 1159 | @param TableList Table list to search\r | |
| 1160 | @param Table Pointer to table found. \r | |
| 1161 | \r | |
| 1162 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1163 | @return EFI_NOT_FOUND No table found matching the handle specified.\r | |
| 1164 | \r | |
| 1165 | **/\r | |
| 1166 | EFI_STATUS\r | |
| 1167 | FindTableByHandle (\r | |
| 1168 | IN UINTN Handle,\r | |
| 1169 | IN LIST_ENTRY *TableList,\r | |
| 1170 | OUT EFI_ACPI_TABLE_LIST **Table\r | |
| 1171 | )\r | |
| 1172 | {\r | |
| 1173 | LIST_ENTRY *CurrentLink;\r | |
| 1174 | EFI_ACPI_TABLE_LIST *CurrentTable;\r | |
| 1175 | \r | |
| 1176 | //\r | |
| 1177 | // Check for invalid input parameters\r | |
| 1178 | //\r | |
| 1179 | ASSERT (Table);\r | |
| 1180 | \r | |
| 1181 | //\r | |
| 1182 | // Find the table\r | |
| 1183 | //\r | |
| 1184 | CurrentLink = TableList->ForwardLink;\r | |
| 1185 | \r | |
| 1186 | while (CurrentLink != TableList) {\r | |
| 1187 | CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r | |
| 1188 | if (CurrentTable->Handle == Handle) {\r | |
| 1189 | //\r | |
| 1190 | // Found handle, so return this table.\r | |
| 1191 | //\r | |
| 1192 | *Table = CurrentTable;\r | |
| 1193 | return EFI_SUCCESS;\r | |
| 1194 | }\r | |
| 1195 | \r | |
| 1196 | CurrentLink = CurrentLink->ForwardLink;\r | |
| 1197 | }\r | |
| 1198 | //\r | |
| 1199 | // Table not found\r | |
| 1200 | //\r | |
| 1201 | return EFI_NOT_FOUND;\r | |
| 1202 | }\r | |
| 1203 | /**\r | |
| 1204 | This function removes a basic table from the RSDT and/or XSDT.\r | |
| 1205 | For Acpi 1.0 tables, pass in the Rsdt.\r | |
| 1206 | For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r | |
| 1207 | \r | |
| 1208 | @param Table Pointer to table found. \r | |
| 1209 | @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r | |
| 1210 | @param Rsdt Pointer to the RSDT to remove from\r | |
| 1211 | @param Xsdt Pointer to the Xsdt to remove from\r | |
| 1212 | \r | |
| 1213 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1214 | @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r | |
| 1215 | \r | |
| 1216 | **/\r | |
| 1217 | EFI_STATUS\r | |
| 1218 | RemoveTableFromRsdt (\r | |
| 1219 | IN OUT EFI_ACPI_TABLE_LIST * Table,\r | |
| 1220 | IN OUT UINTN *NumberOfTableEntries,\r | |
| 1221 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt,\r | |
| 1222 | IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r | |
| 1223 | )\r | |
| 1224 | {\r | |
| 1225 | UINT32 *CurrentRsdtEntry;\r | |
| 1226 | VOID *CurrentXsdtEntry;\r | |
| 1227 | UINT64 CurrentTablePointer64;\r | |
| 1228 | UINTN TempIndex;\r | |
| 1229 | \r | |
| 1230 | //\r | |
| 1231 | // Check for invalid input parameters\r | |
| 1232 | //\r | |
| 1233 | ASSERT (Table);\r | |
| 1234 | ASSERT (NumberOfTableEntries);\r | |
| 1235 | ASSERT (Rsdt);\r | |
| 1236 | \r | |
| 1237 | //\r | |
| 1238 | // Find the table entry in the RSDT and XSDT\r | |
| 1239 | //\r | |
| 1240 | for (TempIndex = 0; TempIndex < *NumberOfTableEntries; TempIndex++) {\r | |
| 1241 | //\r | |
| 1242 | // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r | |
| 1243 | // If it becomes necessary to maintain separate table lists, changes will be required.\r | |
| 1244 | //\r | |
| 1245 | CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT32));\r | |
| 1246 | if (Xsdt != NULL) {\r | |
| 1247 | //\r | |
| 1248 | // This pointer must not be directly dereferenced as the XSDT entries may not\r | |
| 1249 | // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r | |
| 1250 | //\r | |
| 1251 | CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT64));\r | |
| 1252 | \r | |
| 1253 | //\r | |
| 1254 | // Read the entry value out of the XSDT\r | |
| 1255 | //\r | |
| 1256 | CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r | |
| 1257 | } else {\r | |
| 1258 | //\r | |
| 1259 | // Initialize to NULL\r | |
| 1260 | //\r | |
| 1261 | CurrentXsdtEntry = 0;\r | |
| 1262 | CurrentTablePointer64 = 0;\r | |
| 1263 | }\r | |
| 1264 | //\r | |
| 1265 | // Check if we have found the corresponding entry in both RSDT and XSDT\r | |
| 1266 | //\r | |
| 1267 | if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table &&\r | |
| 1268 | ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r | |
| 1269 | ) {\r | |
| 1270 | //\r | |
| 1271 | // Found entry, so copy all following entries and shrink table\r | |
| 1272 | // We actually copy all + 1 to copy the initialized value of memory over\r | |
| 1273 | // the last entry.\r | |
| 1274 | //\r | |
| 1275 | CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT32));\r | |
| 1276 | Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r | |
| 1277 | if (Xsdt != NULL) {\r | |
| 1278 | CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT64));\r | |
| 1279 | Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r | |
| 1280 | }\r | |
| 1281 | break;\r | |
| 1282 | } else if (TempIndex + 1 == *NumberOfTableEntries) {\r | |
| 1283 | //\r | |
| 1284 | // At the last entry, and table not found\r | |
| 1285 | //\r | |
| 1286 | return EFI_INVALID_PARAMETER;\r | |
| 1287 | }\r | |
| 1288 | }\r | |
| 1289 | //\r | |
| 1290 | // Checksum the tables\r | |
| 1291 | //\r | |
| 1292 | AcpiPlatformChecksum (\r | |
| 1293 | Rsdt,\r | |
| 1294 | Rsdt->Length,\r | |
| 1295 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1296 | Checksum)\r | |
| 1297 | );\r | |
| 1298 | \r | |
| 1299 | if (Xsdt != NULL) {\r | |
| 1300 | AcpiPlatformChecksum (\r | |
| 1301 | Xsdt,\r | |
| 1302 | Xsdt->Length,\r | |
| 1303 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1304 | Checksum)\r | |
| 1305 | );\r | |
| 1306 | }\r | |
| 1307 | //\r | |
| 1308 | // Decrement the number of tables\r | |
| 1309 | //\r | |
| 1310 | (*NumberOfTableEntries)--;\r | |
| 1311 | \r | |
| 1312 | return EFI_SUCCESS;\r | |
| 1313 | }\r | |
| 1314 | /**\r | |
| 1315 | This function removes a table and frees any associated memory.\r | |
| 1316 | \r | |
| 1317 | @param AcpiSupportInstance Instance of the protocol.\r | |
| 1318 | @param Version Version(s) to delete.\r | |
| 1319 | @param Table Pointer to table found.\r | |
| 1320 | \r | |
| 1321 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1322 | \r | |
| 1323 | **/\r | |
| 1324 | EFI_STATUS\r | |
| 1325 | DeleteTable (\r | |
| 1326 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r | |
| 1327 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 1328 | IN OUT EFI_ACPI_TABLE_LIST *Table\r | |
| 1329 | )\r | |
| 1330 | {\r | |
| 1331 | UINT32 CurrentTableSignature;\r | |
| 1332 | BOOLEAN RemoveFromRsdt;\r | |
| 1333 | \r | |
| 1334 | //\r | |
| 1335 | // Check for invalid input parameters\r | |
| 1336 | //\r | |
| 1337 | ASSERT (AcpiSupportInstance);\r | |
| 1338 | ASSERT (Table);\r | |
| 1339 | \r | |
| 1340 | //\r | |
| 1341 | // Init locals\r | |
| 1342 | //\r | |
| 1343 | RemoveFromRsdt = TRUE;\r | |
| 8a96515e | 1344 | \r |
| 8a96515e | 1345 | if (Table->Table != NULL) {\r |
| 1b5592bf ED |
1346 | CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r |
| 1347 | \r | |
| 1348 | //\r | |
| 1349 | // Basic tasks to accomplish delete are:\r | |
| 1350 | // Determine removal requirements (in RSDT/XSDT or not)\r | |
| 1351 | // Remove entry from RSDT/XSDT\r | |
| 1352 | // Remove any table references to the table\r | |
| 1353 | // If no one is using the table\r | |
| 1354 | // Free the table (removing pointers from private data and tables)\r | |
| 1355 | // Remove from list\r | |
| 1356 | // Free list structure\r | |
| 1357 | //\r | |
| 1358 | //\r | |
| 1359 | // Determine if this table is in the RSDT or XSDT\r | |
| 1360 | //\r | |
| 1361 | if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r | |
| 1362 | (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r | |
| 1363 | (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r | |
| 1364 | ) {\r | |
| 1365 | RemoveFromRsdt = FALSE;\r | |
| 1366 | }\r | |
| 1367 | //\r | |
| 1368 | // We don't remove the FADT in the standard way because some\r | |
| 1369 | // OS expect the FADT to be early in the table list.\r | |
| 1370 | // So we always put it as the first element in the list.\r | |
| 1371 | //\r | |
| 1372 | if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
| 1373 | RemoveFromRsdt = FALSE;\r | |
| 1374 | }\r | |
| 1375 | \r | |
| 1376 | //\r | |
| 1377 | // Remove the table from RSDT and XSDT\r | |
| 1378 | //\r | |
| 1379 | \r | |
| 8a96515e | 1380 | //\r |
| 1381 | // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r | |
| 1382 | //\r | |
| 1383 | if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r | |
| 1384 | //\r | |
| 1385 | // Remove this version from the table\r | |
| 1386 | //\r | |
| 1387 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r | |
| 1388 | }\r | |
| 1389 | \r | |
| 1390 | if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r | |
| 1391 | //\r | |
| 1392 | // Remove this version from the table\r | |
| 1393 | //\r | |
| 1394 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r | |
| 1395 | \r | |
| 1396 | //\r | |
| 1397 | // Remove from Rsdt. We don't care about the return value because it is\r | |
| 1398 | // acceptable for the table to not exist in Rsdt.\r | |
| 1399 | // We didn't add some tables so we don't remove them.\r | |
| 1400 | //\r | |
| 1401 | if (RemoveFromRsdt) {\r | |
| 1402 | RemoveTableFromRsdt (\r | |
| 1403 | Table,\r | |
| 1404 | &AcpiSupportInstance->NumberOfTableEntries1,\r | |
| 1405 | AcpiSupportInstance->Rsdt1,\r | |
| 1406 | NULL\r | |
| 1407 | );\r | |
| 1408 | }\r | |
| 1409 | }\r | |
| 1410 | \r | |
| 1411 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) ||\r | |
| 1412 | (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version)) {\r | |
| 1413 | //\r | |
| 1414 | // Remove this version from the table\r | |
| 1415 | //\r | |
| 1416 | if (Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) {\r | |
| 1417 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_2_0;\r | |
| 1418 | } \r | |
| 1419 | if (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version) {\r | |
| 1420 | Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_3_0;\r | |
| 1421 | }\r | |
| 1422 | \r | |
| 1423 | //\r | |
| 1424 | // Remove from Rsdt and Xsdt. We don't care about the return value\r | |
| 1425 | // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r | |
| 1426 | // We didn't add some tables so we don't remove them.\r | |
| 1427 | //\r | |
| 1428 | if (RemoveFromRsdt) {\r | |
| 1429 | RemoveTableFromRsdt (\r | |
| 1430 | Table,\r | |
| 1431 | &AcpiSupportInstance->NumberOfTableEntries3,\r | |
| 1432 | AcpiSupportInstance->Rsdt3,\r | |
| 1433 | AcpiSupportInstance->Xsdt\r | |
| 1434 | );\r | |
| 1435 | }\r | |
| 1436 | } \r | |
| 1437 | //\r | |
| 1438 | // Free the table, clean up any dependent tables and our private data pointers.\r | |
| 1439 | //\r | |
| 1440 | switch (Table->Table->Signature) {\r | |
| 1441 | \r | |
| 1442 | case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 1443 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1444 | AcpiSupportInstance->Fadt1 = NULL;\r | |
| 1445 | }\r | |
| 1446 | \r | |
| 1447 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 1448 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 1449 | AcpiSupportInstance->Fadt3 = NULL;\r | |
| 1450 | }\r | |
| 1451 | break;\r | |
| 1452 | \r | |
| 1453 | case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r | |
| 1454 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1455 | AcpiSupportInstance->Facs1 = NULL;\r | |
| 1456 | \r | |
| 1457 | //\r | |
| 1458 | // Update FADT table pointers\r | |
| 1459 | //\r | |
| 1460 | if (AcpiSupportInstance->Fadt1 != NULL) {\r | |
| 1461 | AcpiSupportInstance->Fadt1->FirmwareCtrl = 0;\r | |
| 1462 | \r | |
| 1463 | //\r | |
| 1464 | // Checksum table\r | |
| 1465 | //\r | |
| 1466 | AcpiPlatformChecksum (\r | |
| 1467 | AcpiSupportInstance->Fadt1,\r | |
| 1468 | AcpiSupportInstance->Fadt1->Header.Length,\r | |
| 1469 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1470 | Checksum)\r | |
| 1471 | );\r | |
| 1472 | }\r | |
| 1473 | }\r | |
| 1474 | \r | |
| 1475 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 1476 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 1477 | AcpiSupportInstance->Facs3 = NULL;\r | |
| 1478 | \r | |
| 1479 | //\r | |
| 1480 | // Update FADT table pointers\r | |
| 1481 | //\r | |
| 1482 | if (AcpiSupportInstance->Fadt3 != NULL) {\r | |
| 1483 | AcpiSupportInstance->Fadt3->FirmwareCtrl = 0;\r | |
| 1484 | ZeroMem (&AcpiSupportInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r | |
| 1485 | \r | |
| 1486 | //\r | |
| 1487 | // Checksum table\r | |
| 1488 | //\r | |
| 1489 | AcpiPlatformChecksum (\r | |
| 1490 | AcpiSupportInstance->Fadt3,\r | |
| 1491 | AcpiSupportInstance->Fadt3->Header.Length,\r | |
| 1492 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1493 | Checksum)\r | |
| 1494 | );\r | |
| 1495 | }\r | |
| 1496 | } \r | |
| 1497 | break;\r | |
| 1498 | \r | |
| 1499 | case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r | |
| 1500 | if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r | |
| 1501 | AcpiSupportInstance->Dsdt1 = NULL;\r | |
| 1502 | \r | |
| 1503 | //\r | |
| 1504 | // Update FADT table pointers\r | |
| 1505 | //\r | |
| 1506 | if (AcpiSupportInstance->Fadt1 != NULL) {\r | |
| 1507 | AcpiSupportInstance->Fadt1->Dsdt = 0;\r | |
| 1508 | \r | |
| 1509 | //\r | |
| 1510 | // Checksum table\r | |
| 1511 | //\r | |
| 1512 | AcpiPlatformChecksum (\r | |
| 1513 | AcpiSupportInstance->Fadt1,\r | |
| 1514 | AcpiSupportInstance->Fadt1->Header.Length,\r | |
| 1515 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1516 | Checksum)\r | |
| 1517 | );\r | |
| 1518 | }\r | |
| 1519 | }\r | |
| 1520 | \r | |
| 1521 | \r | |
| 1522 | if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r | |
| 1523 | (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r | |
| 1524 | AcpiSupportInstance->Dsdt3 = NULL;\r | |
| 1525 | \r | |
| 1526 | //\r | |
| 1527 | // Update FADT table pointers\r | |
| 1528 | //\r | |
| 1529 | if (AcpiSupportInstance->Fadt3 != NULL) {\r | |
| 1530 | AcpiSupportInstance->Fadt3->Dsdt = 0;\r | |
| 1531 | ZeroMem (&AcpiSupportInstance->Fadt3->XDsdt, sizeof (UINT64));\r | |
| 1532 | \r | |
| 1533 | //\r | |
| 1534 | // Checksum table\r | |
| 1535 | //\r | |
| 1536 | AcpiPlatformChecksum (\r | |
| 1537 | AcpiSupportInstance->Fadt3,\r | |
| 1538 | AcpiSupportInstance->Fadt3->Header.Length,\r | |
| 1539 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1540 | Checksum)\r | |
| 1541 | );\r | |
| 1542 | }\r | |
| 1543 | }\r | |
| 1544 | break;\r | |
| 1545 | \r | |
| 1546 | default:\r | |
| 1547 | //\r | |
| 1548 | // Do nothing\r | |
| 1549 | //\r | |
| 1550 | break;\r | |
| 1551 | }\r | |
| 1552 | }\r | |
| 1553 | //\r | |
| 1554 | // If no version is using this table anymore, remove and free list entry.\r | |
| 1555 | //\r | |
| 1556 | if (Table->Version == 0) {\r | |
| 1557 | //\r | |
| 1558 | // Free the Table\r | |
| 1559 | //\r | |
| 1560 | gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r | |
| 1561 | RemoveEntryList (&(Table->Link));\r | |
| 1562 | gBS->FreePool (Table);\r | |
| 1563 | }\r | |
| 1564 | //\r | |
| 1565 | // Done\r | |
| 1566 | //\r | |
| 1567 | return EFI_SUCCESS;\r | |
| 1568 | }\r | |
| 1569 | /**\r | |
| 1570 | This function finds and removes the table specified by the handle.\r | |
| 1571 | \r | |
| 1572 | @param AcpiSupportInstance Instance of the protocol.\r | |
| 1573 | @param Version Bitmask of which versions to remove.\r | |
| 1574 | @param Handle Table to remove.\r | |
| 1575 | \r | |
| 1576 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1577 | @return EFI_ABORTED An error occurred.\r | |
| 1578 | @return EFI_NOT_FOUND Handle not found in table list.\r | |
| 1579 | **/\r | |
| 1580 | EFI_STATUS\r | |
| 1581 | RemoveTableFromList (\r | |
| 1582 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r | |
| 1583 | IN EFI_ACPI_TABLE_VERSION Version,\r | |
| 1584 | IN UINTN Handle\r | |
| 1585 | )\r | |
| 1586 | {\r | |
| 1587 | EFI_ACPI_TABLE_LIST *Table;\r | |
| 1588 | EFI_STATUS Status;\r | |
| 1589 | \r | |
| 1590 | Table = NULL;\r | |
| 1591 | \r | |
| 1592 | //\r | |
| 1593 | // Check for invalid input parameters\r | |
| 1594 | //\r | |
| 1595 | ASSERT (AcpiSupportInstance);\r | |
| 1596 | \r | |
| 1597 | //\r | |
| 1598 | // Find the table\r | |
| 1599 | //\r | |
| 1600 | Status = FindTableByHandle (\r | |
| 1601 | Handle,\r | |
| 1602 | &AcpiSupportInstance->TableList,\r | |
| 1603 | &Table\r | |
| 1604 | );\r | |
| 1605 | if (EFI_ERROR (Status)) {\r | |
| 1606 | return EFI_NOT_FOUND;\r | |
| 1607 | }\r | |
| 1608 | //\r | |
| 1609 | // Remove the table\r | |
| 1610 | //\r | |
| 1611 | Status = DeleteTable (AcpiSupportInstance, Version, Table);\r | |
| 1612 | if (EFI_ERROR (Status)) {\r | |
| 1613 | return EFI_ABORTED;\r | |
| 1614 | }\r | |
| 1615 | //\r | |
| 1616 | // Completed successfully\r | |
| 1617 | //\r | |
| 1618 | return EFI_SUCCESS;\r | |
| 1619 | }\r | |
| 1620 | /**\r | |
| 1621 | This function calculates and updates an UINT8 checksum.\r | |
| 1622 | \r | |
| 1623 | @param Buffer Pointer to buffer to checksum\r | |
| 1624 | @param Size Number of bytes to checksum\r | |
| 1625 | @param ChecksumOffset Offset to place the checksum result in\r | |
| 1626 | \r | |
| 1627 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1628 | \r | |
| 1629 | **/\r | |
| 1630 | EFI_STATUS\r | |
| 1631 | AcpiPlatformChecksum (\r | |
| 1632 | IN VOID *Buffer,\r | |
| 1633 | IN UINTN Size,\r | |
| 1634 | IN UINTN ChecksumOffset\r | |
| 1635 | )\r | |
| 1636 | {\r | |
| 1637 | UINT8 Sum;\r | |
| 1638 | UINT8 *Ptr;\r | |
| 1639 | \r | |
| 1640 | Sum = 0;\r | |
| 1641 | //\r | |
| 1642 | // Initialize pointer\r | |
| 1643 | //\r | |
| 1644 | Ptr = Buffer;\r | |
| 1645 | \r | |
| 1646 | //\r | |
| 1647 | // set checksum to 0 first\r | |
| 1648 | //\r | |
| 1649 | Ptr[ChecksumOffset] = 0;\r | |
| 1650 | \r | |
| 1651 | //\r | |
| 1652 | // add all content of buffer\r | |
| 1653 | //\r | |
| 1654 | while ((Size--) != 0) {\r | |
| 1655 | Sum = (UINT8) (Sum + (*Ptr++));\r | |
| 1656 | }\r | |
| 1657 | //\r | |
| 1658 | // set checksum\r | |
| 1659 | //\r | |
| 1660 | Ptr = Buffer;\r | |
| 1661 | Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r | |
| 1662 | \r | |
| 1663 | return EFI_SUCCESS;\r | |
| 1664 | }\r | |
| 1665 | /**\r | |
| 1666 | Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r | |
| 1667 | \r | |
| 1668 | @param AcpiSupportInstance Protocol instance private data.\r | |
| 1669 | \r | |
| 1670 | @return EFI_SUCCESS The function completed successfully.\r | |
| 1671 | \r | |
| 1672 | **/\r | |
| 1673 | EFI_STATUS\r | |
| 1674 | ChecksumCommonTables (\r | |
| 1675 | IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r | |
| 1676 | )\r | |
| 1677 | {\r | |
| 1678 | //\r | |
| 1679 | // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r | |
| 1680 | //\r | |
| 1681 | AcpiPlatformChecksum (\r | |
| 1682 | AcpiSupportInstance->Rsdp1,\r | |
| 1683 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1684 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1685 | Checksum)\r | |
| 1686 | );\r | |
| 1687 | \r | |
| 1688 | //\r | |
| 1689 | // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r | |
| 1690 | //\r | |
| 1691 | AcpiPlatformChecksum (\r | |
| 1692 | AcpiSupportInstance->Rsdp3,\r | |
| 1693 | sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1694 | OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1695 | Checksum)\r | |
| 1696 | );\r | |
| 1697 | \r | |
| 1698 | //\r | |
| 1699 | // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r | |
| 1700 | //\r | |
| 1701 | AcpiPlatformChecksum (\r | |
| 1702 | AcpiSupportInstance->Rsdp3,\r | |
| 1703 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r | |
| 1704 | OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r | |
| 1705 | ExtendedChecksum)\r | |
| 1706 | );\r | |
| 1707 | \r | |
| 1708 | //\r | |
| 1709 | // RSDT checksums\r | |
| 1710 | //\r | |
| 1711 | AcpiPlatformChecksum (\r | |
| 1712 | AcpiSupportInstance->Rsdt1,\r | |
| 1713 | AcpiSupportInstance->Rsdt1->Length,\r | |
| 1714 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1715 | Checksum)\r | |
| 1716 | );\r | |
| 1717 | \r | |
| 1718 | AcpiPlatformChecksum (\r | |
| 1719 | AcpiSupportInstance->Rsdt3,\r | |
| 1720 | AcpiSupportInstance->Rsdt3->Length,\r | |
| 1721 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1722 | Checksum)\r | |
| 1723 | );\r | |
| 1724 | \r | |
| 1725 | //\r | |
| 1726 | // XSDT checksum\r | |
| 1727 | //\r | |
| 1728 | AcpiPlatformChecksum (\r | |
| 1729 | AcpiSupportInstance->Xsdt,\r | |
| 1730 | AcpiSupportInstance->Xsdt->Length,\r | |
| 1731 | OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r | |
| 1732 | Checksum)\r | |
| 1733 | );\r | |
| 1734 | \r | |
| 1735 | return EFI_SUCCESS;\r | |
| 1736 | }\r | |
| 1737 | /** \r | |
| 1738 | Constructor for the ACPI support protocol to initializes instance data.\r | |
| 1739 | \r | |
| 1740 | @param AcpiSupportInstance Instance to construct\r | |
| 1741 | \r | |
| 1742 | @retval EFI_SUCCESS Instance initialized.\r | |
| 1743 | @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r | |
| 1744 | **/\r | |
| 1745 | EFI_STATUS\r | |
| 1746 | AcpiSupportAcpiSupportConstructor (\r | |
| 1747 | IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r | |
| 1748 | )\r | |
| 1749 | {\r | |
| 1750 | EFI_STATUS Status;\r | |
| 1751 | UINT64 CurrentData;\r | |
| 1752 | UINTN TotalSize;\r | |
| 1753 | UINTN RsdpTableSize;\r | |
| 1754 | UINT8 *Pointer;\r | |
| 1755 | EFI_PHYSICAL_ADDRESS PageAddress;\r | |
| 1756 | \r | |
| 1757 | //\r | |
| 1758 | // Check for invalid input parameters\r | |
| 1759 | //\r | |
| 1760 | ASSERT (AcpiSupportInstance);\r | |
| 1761 | \r | |
| 1762 | InitializeListHead (&AcpiSupportInstance->TableList);\r | |
| 1763 | AcpiSupportInstance->CurrentHandle = 1;\r | |
| 1764 | AcpiSupportInstance->AcpiSupport.GetAcpiTable = GetAcpiTable;\r | |
| 1765 | AcpiSupportInstance->AcpiSupport.SetAcpiTable = SetAcpiTable;\r | |
| 1766 | AcpiSupportInstance->AcpiSupport.PublishTables = PublishTables;\r | |
| 1767 | \r | |
| 1768 | AcpiSupportInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r | |
| 1769 | AcpiSupportInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r | |
| 1770 | \r | |
| 1771 | //\r | |
| 1772 | // Create RSDP table\r | |
| 1773 | //\r | |
| 1774 | RsdpTableSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r | |
| 1775 | sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
| 1776 | \r | |
| 1777 | PageAddress = 0xFFFFFFFF;\r | |
| 1778 | Status = gBS->AllocatePages (\r | |
| 1779 | AllocateMaxAddress,\r | |
| 1780 | EfiACPIReclaimMemory,\r | |
| 1781 | EFI_SIZE_TO_PAGES (RsdpTableSize),\r | |
| 1782 | &PageAddress\r | |
| 1783 | );\r | |
| 1784 | \r | |
| 1785 | if (EFI_ERROR (Status)) {\r | |
| 1786 | return EFI_OUT_OF_RESOURCES;\r | |
| 1787 | }\r | |
| 1788 | \r | |
| 1789 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 1790 | ZeroMem (Pointer, RsdpTableSize);\r | |
| 1791 | \r | |
| 1792 | AcpiSupportInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
| 1793 | Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
| 1794 | AcpiSupportInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r | |
| 1795 | \r | |
| 1796 | //\r | |
| 1797 | // Create RSDT, XSDT structures\r | |
| 1798 | //\r | |
| 1799 | TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r | |
| 1800 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 1801 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r | |
| 1802 | mEfiAcpiMaxNumTables * sizeof (UINT32) +\r | |
| 1803 | sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r | |
| 1804 | mEfiAcpiMaxNumTables * sizeof (UINT64);\r | |
| 1805 | \r | |
| 1806 | //\r | |
| 1807 | // Allocate memory in the lower 32 bit of address range for\r | |
| 1808 | // compatibility with ACPI 1.0 OS.\r | |
| 1809 | //\r | |
| 1810 | // This is done because ACPI 1.0 pointers are 32 bit values.\r | |
| 1811 | // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r | |
| 1812 | // There is no architectural reason these should be below 4GB, it is purely\r | |
| 1813 | // for convenience of implementation that we force memory below 4GB.\r | |
| 1814 | //\r | |
| 1815 | PageAddress = 0xFFFFFFFF;\r | |
| 1816 | Status = gBS->AllocatePages (\r | |
| 1817 | AllocateMaxAddress,\r | |
| 1818 | EfiACPIReclaimMemory,\r | |
| 1819 | EFI_SIZE_TO_PAGES (TotalSize),\r | |
| 1820 | &PageAddress\r | |
| 1821 | );\r | |
| 1822 | \r | |
| 1823 | if (EFI_ERROR (Status)) {\r | |
| 1824 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiSupportInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize));\r | |
| 1825 | return EFI_OUT_OF_RESOURCES;\r | |
| 1826 | }\r | |
| 1827 | \r | |
| 1828 | Pointer = (UINT8 *) (UINTN) PageAddress;\r | |
| 1829 | ZeroMem (Pointer, TotalSize);\r | |
| 1830 | \r | |
| 1831 | AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 1832 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
| 1833 | AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 1834 | Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r | |
| 1835 | AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r | |
| 1836 | \r | |
| 1837 | //\r | |
| 1838 | // Initialize RSDP\r | |
| 1839 | //\r | |
| 1840 | CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
| 1841 | CopyMem (&AcpiSupportInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r | |
| e84f07b5 | 1842 | CopyMem (AcpiSupportInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdp1->OemId));\r |
| 8a96515e | 1843 | AcpiSupportInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r |
| 1844 | AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1;\r | |
| 1845 | \r | |
| 1846 | CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r | |
| 1847 | CopyMem (&AcpiSupportInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r | |
| e84f07b5 | 1848 | CopyMem (AcpiSupportInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdp3->OemId));\r |
| 8a96515e | 1849 | AcpiSupportInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r |
| 1850 | AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3;\r | |
| 1851 | AcpiSupportInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r | |
| 1852 | CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt;\r | |
| 1853 | CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r | |
| 1854 | SetMem (AcpiSupportInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r | |
| 1855 | \r | |
| 1856 | //\r | |
| 1857 | // Initialize Rsdt\r | |
| 1858 | //\r | |
| 1859 | // Note that we "reserve" one entry for the FADT so it can always be\r | |
| 1860 | // at the beginning of the list of tables. Some OS don't seem\r | |
| 1861 | // to find it correctly if it is too far down the list.\r | |
| 1862 | //\r | |
| 1863 | AcpiSupportInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1864 | AcpiSupportInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1865 | AcpiSupportInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| e84f07b5 SZ |
1866 | CopyMem (AcpiSupportInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdt1->OemId));\r |
| 1867 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 8a96515e | 1868 | CopyMem (&AcpiSupportInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r |
| e84f07b5 SZ |
1869 | AcpiSupportInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| 1870 | AcpiSupportInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1871 | AcpiSupportInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 8a96515e | 1872 | //\r |
| 1873 | // We always reserve first one for FADT\r | |
| 1874 | //\r | |
| 1875 | AcpiSupportInstance->NumberOfTableEntries1 = 1;\r | |
| 1876 | AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof(UINT32);\r | |
| 1877 | \r | |
| 1878 | AcpiSupportInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1879 | AcpiSupportInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1880 | AcpiSupportInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| e84f07b5 SZ |
1881 | CopyMem (AcpiSupportInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdt3->OemId));\r |
| 1882 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 8a96515e | 1883 | CopyMem (&AcpiSupportInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r |
| e84f07b5 SZ |
1884 | AcpiSupportInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| 1885 | AcpiSupportInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1886 | AcpiSupportInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 8a96515e | 1887 | //\r |
| 1888 | // We always reserve first one for FADT\r | |
| 1889 | //\r | |
| 1890 | AcpiSupportInstance->NumberOfTableEntries3 = 1;\r | |
| 1891 | AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof(UINT32);\r | |
| 1892 | \r | |
| 1893 | //\r | |
| 1894 | // Initialize Xsdt\r | |
| 1895 | //\r | |
| 1896 | AcpiSupportInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r | |
| 1897 | AcpiSupportInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r | |
| 1898 | AcpiSupportInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r | |
| e84f07b5 SZ |
1899 | CopyMem (AcpiSupportInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Xsdt->OemId));\r |
| 1900 | CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
| 8a96515e | 1901 | CopyMem (&AcpiSupportInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r |
| e84f07b5 SZ |
1902 | AcpiSupportInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r |
| 1903 | AcpiSupportInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
| 1904 | AcpiSupportInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
| 8a96515e | 1905 | //\r |
| 1906 | // We always reserve first one for FADT\r | |
| 1907 | //\r | |
| 1908 | AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof(UINT64);\r | |
| 1909 | \r | |
| 1910 | ChecksumCommonTables (AcpiSupportInstance);\r | |
| 1911 | \r | |
| 1912 | //\r | |
| 1913 | // Completed successfully\r | |
| 1914 | //\r | |
| 1915 | return EFI_SUCCESS;\r | |
| 1916 | }\r |