1 /** @file 2 Definition of Pei Core Structures and Services 3 4 Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef _PEI_MAIN_H_ 16 #define _PEI_MAIN_H_ 17 18 #include <PiPei.h> 19 #include <Ppi/DxeIpl.h> 20 #include <Ppi/MemoryDiscovered.h> 21 #include <Ppi/StatusCode.h> 22 #include <Ppi/Reset.h> 23 #include <Ppi/Reset2.h> 24 #include <Ppi/FirmwareVolume.h> 25 #include <Ppi/FirmwareVolumeInfo.h> 26 #include <Ppi/FirmwareVolumeInfo2.h> 27 #include <Ppi/Decompress.h> 28 #include <Ppi/GuidedSectionExtraction.h> 29 #include <Ppi/LoadFile.h> 30 #include <Ppi/Security2.h> 31 #include <Ppi/TemporaryRamSupport.h> 32 #include <Ppi/TemporaryRamDone.h> 33 #include <Library/DebugLib.h> 34 #include <Library/PeiCoreEntryPoint.h> 35 #include <Library/BaseLib.h> 36 #include <Library/HobLib.h> 37 #include <Library/PerformanceLib.h> 38 #include <Library/PeiServicesLib.h> 39 #include <Library/ReportStatusCodeLib.h> 40 #include <Library/PeCoffLib.h> 41 #include <Library/PeCoffGetEntryPointLib.h> 42 #include <Library/BaseMemoryLib.h> 43 #include <Library/CacheMaintenanceLib.h> 44 #include <Library/PcdLib.h> 45 #include <IndustryStandard/PeImage.h> 46 #include <Library/PeiServicesTablePointerLib.h> 47 #include <Library/MemoryAllocationLib.h> 48 #include <Guid/FirmwareFileSystem2.h> 49 #include <Guid/FirmwareFileSystem3.h> 50 #include <Guid/AprioriFileName.h> 51 52 /// 53 /// It is an FFS type extension used for PeiFindFileEx. It indicates current 54 /// Ffs searching is for all PEIMs can be dispatched by PeiCore. 55 /// 56 #define PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE 0xff 57 58 /// 59 /// Pei Core private data structures 60 /// 61 typedef union { 62 EFI_PEI_PPI_DESCRIPTOR *Ppi; 63 EFI_PEI_NOTIFY_DESCRIPTOR *Notify; 64 VOID *Raw; 65 } PEI_PPI_LIST_POINTERS; 66 67 /// 68 /// PPI database structure which contains two link: PpiList and NotifyList. PpiList 69 /// is in head of PpiListPtrs array and notify is in end of PpiListPtrs. 70 /// 71 typedef struct { 72 /// 73 /// index of end of PpiList link list. 74 /// 75 INTN PpiListEnd; 76 /// 77 /// index of end of notify link list. 78 /// 79 INTN NotifyListEnd; 80 /// 81 /// index of the dispatched notify list. 82 /// 83 INTN DispatchListEnd; 84 /// 85 /// index of last installed Ppi description in PpiList link list. 86 /// 87 INTN LastDispatchedInstall; 88 /// 89 /// index of last dispatched notify in Notify link list. 90 /// 91 INTN LastDispatchedNotify; 92 /// 93 /// Ppi database has the PcdPeiCoreMaxPpiSupported number of entries. 94 /// 95 PEI_PPI_LIST_POINTERS *PpiListPtrs; 96 } PEI_PPI_DATABASE; 97 98 99 // 100 // PEI_CORE_FV_HANDE.PeimState 101 // Do not change these values as there is code doing math to change states. 102 // Look for Private->Fv[FvCount].PeimState[PeimCount]++; 103 // 104 #define PEIM_STATE_NOT_DISPATCHED 0x00 105 #define PEIM_STATE_DISPATCHED 0x01 106 #define PEIM_STATE_REGISITER_FOR_SHADOW 0x02 107 #define PEIM_STATE_DONE 0x03 108 109 typedef struct { 110 EFI_FIRMWARE_VOLUME_HEADER *FvHeader; 111 EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi; 112 EFI_PEI_FV_HANDLE FvHandle; 113 // 114 // Ponter to the buffer with the PcdPeiCoreMaxPeimPerFv number of Entries. 115 // 116 UINT8 *PeimState; 117 // 118 // Ponter to the buffer with the PcdPeiCoreMaxPeimPerFv number of Entries. 119 // 120 EFI_PEI_FILE_HANDLE *FvFileHandles; 121 BOOLEAN ScanFv; 122 UINT32 AuthenticationStatus; 123 } PEI_CORE_FV_HANDLE; 124 125 typedef struct { 126 EFI_GUID FvFormat; 127 VOID *FvInfo; 128 UINT32 FvInfoSize; 129 UINT32 AuthenticationStatus; 130 EFI_PEI_NOTIFY_DESCRIPTOR NotifyDescriptor; 131 } PEI_CORE_UNKNOW_FORMAT_FV_INFO; 132 133 #define CACHE_SETION_MAX_NUMBER 0x10 134 typedef struct { 135 EFI_COMMON_SECTION_HEADER* Section[CACHE_SETION_MAX_NUMBER]; 136 VOID* SectionData[CACHE_SETION_MAX_NUMBER]; 137 UINTN SectionSize[CACHE_SETION_MAX_NUMBER]; 138 UINT32 AuthenticationStatus[CACHE_SETION_MAX_NUMBER]; 139 UINTN AllSectionCount; 140 UINTN SectionIndex; 141 } CACHE_SECTION_DATA; 142 143 #define HOLE_MAX_NUMBER 0x3 144 typedef struct { 145 EFI_PHYSICAL_ADDRESS Base; 146 UINTN Size; 147 UINTN Offset; 148 BOOLEAN OffsetPositive; 149 } HOLE_MEMORY_DATA; 150 151 /// 152 /// Forward declaration for PEI_CORE_INSTANCE 153 /// 154 typedef struct _PEI_CORE_INSTANCE PEI_CORE_INSTANCE; 155 156 157 /** 158 Function Pointer type for PeiCore function. 159 @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size 160 and location of temporary RAM, the stack location and the BFV location. 161 @param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core. 162 An empty PPI list consists of a single descriptor with the end-tag 163 EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. As part of its initialization 164 phase, the PEI Foundation will add these SEC-hosted PPIs to its PPI database such 165 that both the PEI Foundation and any modules can leverage the associated service 166 calls and/or code in these early PPIs 167 @param OldCoreData Pointer to old core data that is used to initialize the 168 core's data areas. 169 **/ 170 typedef 171 EFI_STATUS 172 (EFIAPI *PEICORE_FUNCTION_POINTER)( 173 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 174 IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, 175 IN PEI_CORE_INSTANCE *OldCoreData 176 ); 177 178 #define PEI_CORE_HANDLE_SIGNATURE SIGNATURE_32('P','e','i','C') 179 180 /// 181 /// Pei Core private data structure instance 182 /// 183 struct _PEI_CORE_INSTANCE { 184 UINTN Signature; 185 186 /// 187 /// Point to ServiceTableShadow 188 /// 189 EFI_PEI_SERVICES *Ps; 190 PEI_PPI_DATABASE PpiData; 191 192 /// 193 /// The count of FVs which contains FFS and could be dispatched by PeiCore. 194 /// 195 UINTN FvCount; 196 197 /// 198 /// Pointer to the buffer with the PcdPeiCoreMaxFvSupported number of entries. 199 /// Each entry is for one FV which contains FFS and could be dispatched by PeiCore. 200 /// 201 PEI_CORE_FV_HANDLE *Fv; 202 203 /// 204 /// Pointer to the buffer with the PcdPeiCoreMaxFvSupported number of entries. 205 /// Each entry is for one FV which could not be dispatched by PeiCore. 206 /// 207 PEI_CORE_UNKNOW_FORMAT_FV_INFO *UnknownFvInfo; 208 UINTN UnknownFvInfoCount; 209 210 /// 211 /// Pointer to the buffer with the PcdPeiCoreMaxPeimPerFv number of entries. 212 /// 213 EFI_PEI_FILE_HANDLE *CurrentFvFileHandles; 214 UINTN AprioriCount; 215 UINTN CurrentPeimFvCount; 216 UINTN CurrentPeimCount; 217 EFI_PEI_FILE_HANDLE CurrentFileHandle; 218 BOOLEAN PeimNeedingDispatch; 219 BOOLEAN PeimDispatchOnThisPass; 220 BOOLEAN PeimDispatcherReenter; 221 EFI_PEI_HOB_POINTERS HobList; 222 BOOLEAN SwitchStackSignal; 223 BOOLEAN PeiMemoryInstalled; 224 VOID *CpuIo; 225 EFI_PEI_SECURITY2_PPI *PrivateSecurityPpi; 226 EFI_PEI_SERVICES ServiceTableShadow; 227 EFI_PEI_PPI_DESCRIPTOR *XipLoadFile; 228 EFI_PHYSICAL_ADDRESS PhysicalMemoryBegin; 229 UINT64 PhysicalMemoryLength; 230 EFI_PHYSICAL_ADDRESS FreePhysicalMemoryTop; 231 UINTN HeapOffset; 232 BOOLEAN HeapOffsetPositive; 233 UINTN StackOffset; 234 BOOLEAN StackOffsetPositive; 235 PEICORE_FUNCTION_POINTER ShadowedPeiCore; 236 CACHE_SECTION_DATA CacheSection; 237 // 238 // For Loading modules at fixed address feature to cache the top address below which the 239 // Runtime code, boot time code and PEI memory will be placed. Please note that the offset between this field 240 // and Ps should not be changed since maybe user could get this top address by using the offet to Ps. 241 // 242 EFI_PHYSICAL_ADDRESS LoadModuleAtFixAddressTopAddress; 243 // 244 // The field is define for Loading modules at fixed address feature to tracker the PEI code 245 // memory range usage. It is a bit mapped array in which every bit indicates the correspoding memory page 246 // available or not. 247 // 248 UINT64 *PeiCodeMemoryRangeUsageBitMap; 249 // 250 // This field points to the shadowed image read function 251 // 252 PE_COFF_LOADER_READ_FILE ShadowedImageRead; 253 254 // 255 // Pointer to the temp buffer with the PcdPeiCoreMaxPeimPerFv + 1 number of entries. 256 // 257 EFI_PEI_FILE_HANDLE *FileHandles; 258 // 259 // Pointer to the temp buffer with the PcdPeiCoreMaxPeimPerFv number of entries. 260 // 261 EFI_GUID *FileGuid; 262 263 // 264 // Temp Memory Range is not covered by PeiTempMem and Stack. 265 // Those Memory Range will be migrated into phisical memory. 266 // 267 HOLE_MEMORY_DATA HoleData[HOLE_MAX_NUMBER]; 268 }; 269 270 /// 271 /// Pei Core Instance Data Macros 272 /// 273 #define PEI_CORE_INSTANCE_FROM_PS_THIS(a) \ 274 CR(a, PEI_CORE_INSTANCE, Ps, PEI_CORE_HANDLE_SIGNATURE) 275 276 /// 277 /// Union of temporarily used function pointers (to save stack space) 278 /// 279 typedef union { 280 PEICORE_FUNCTION_POINTER PeiCore; 281 EFI_PEIM_ENTRY_POINT2 PeimEntry; 282 EFI_PEIM_NOTIFY_ENTRY_POINT PeimNotifyEntry; 283 EFI_DXE_IPL_PPI *DxeIpl; 284 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; 285 EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor; 286 VOID *Raw; 287 } PEI_CORE_TEMP_POINTERS; 288 289 typedef struct { 290 CONST EFI_SEC_PEI_HAND_OFF *SecCoreData; 291 EFI_PEI_PPI_DESCRIPTOR *PpiList; 292 VOID *Data; 293 } PEI_CORE_PARAMETERS; 294 295 // 296 // PeiCore function 297 // 298 /** 299 300 The entry routine to Pei Core, invoked by PeiMain during transition 301 from SEC to PEI. After switching stack in the PEI core, it will restart 302 with the old core data. 303 304 305 @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size 306 and location of temporary RAM, the stack location and the BFV location. 307 @param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core. 308 An empty PPI list consists of a single descriptor with the end-tag 309 EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. As part of its initialization 310 phase, the PEI Foundation will add these SEC-hosted PPIs to its PPI database such 311 that both the PEI Foundation and any modules can leverage the associated service 312 calls and/or code in these early PPIs 313 @param Data Pointer to old core data that is used to initialize the 314 core's data areas. 315 316 **/ 317 VOID 318 EFIAPI 319 PeiCore ( 320 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 321 IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, 322 IN VOID *Data 323 ); 324 325 // 326 // Dispatcher support functions 327 // 328 329 /** 330 331 This is the POSTFIX version of the dependency evaluator. When a 332 PUSH [PPI GUID] is encountered, a pointer to the GUID is stored on 333 the evaluation stack. When that entry is poped from the evaluation 334 stack, the PPI is checked if it is installed. This method allows 335 some time savings as not all PPIs must be checked for certain 336 operation types (AND, OR). 337 338 339 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 340 @param DependencyExpression Pointer to a dependency expression. The Grammar adheres to 341 the BNF described above and is stored in postfix notation. 342 343 @retval TRUE if it is a well-formed Grammar 344 @retval FALSE if the dependency expression overflows the evaluation stack 345 if the dependency expression underflows the evaluation stack 346 if the dependency expression is not a well-formed Grammar. 347 348 **/ 349 BOOLEAN 350 PeimDispatchReadiness ( 351 IN EFI_PEI_SERVICES **PeiServices, 352 IN VOID *DependencyExpression 353 ); 354 355 /** 356 Conduct PEIM dispatch. 357 358 @param SecCoreData Pointer to the data structure containing SEC to PEI handoff data 359 @param PrivateData Pointer to the private data passed in from caller 360 361 **/ 362 VOID 363 PeiDispatcher ( 364 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 365 IN PEI_CORE_INSTANCE *PrivateData 366 ); 367 368 /** 369 Initialize the Dispatcher's data members 370 371 @param PrivateData PeiCore's private data structure 372 @param OldCoreData Old data from SecCore 373 NULL if being run in non-permament memory mode. 374 @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size 375 and location of temporary RAM, the stack location and the BFV location. 376 377 **/ 378 VOID 379 InitializeDispatcherData ( 380 IN PEI_CORE_INSTANCE *PrivateData, 381 IN PEI_CORE_INSTANCE *OldCoreData, 382 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData 383 ); 384 385 /** 386 This routine parses the Dependency Expression, if available, and 387 decides if the module can be executed. 388 389 390 @param Private PeiCore's private data structure 391 @param FileHandle PEIM's file handle 392 @param PeimCount The index of last dispatched PEIM. 393 394 @retval TRUE Can be dispatched 395 @retval FALSE Cannot be dispatched 396 397 **/ 398 BOOLEAN 399 DepexSatisfied ( 400 IN PEI_CORE_INSTANCE *Private, 401 IN EFI_PEI_FILE_HANDLE FileHandle, 402 IN UINTN PeimCount 403 ); 404 405 // 406 // PPI support functions 407 // 408 /** 409 410 Initialize PPI services. 411 412 @param PrivateData Pointer to the PEI Core data. 413 @param OldCoreData Pointer to old PEI Core data. 414 NULL if being run in non-permament memory mode. 415 416 **/ 417 VOID 418 InitializePpiServices ( 419 IN PEI_CORE_INSTANCE *PrivateData, 420 IN PEI_CORE_INSTANCE *OldCoreData 421 ); 422 423 /** 424 425 Migrate the Hob list from the temporary memory stack to PEI installed memory. 426 427 @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size 428 and location of temporary RAM, the stack location and the BFV location. 429 @param PrivateData Pointer to PeiCore's private data structure. 430 431 **/ 432 VOID 433 ConvertPpiPointers ( 434 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 435 IN PEI_CORE_INSTANCE *PrivateData 436 ); 437 438 /** 439 440 Install PPI services. It is implementation of EFI_PEI_SERVICE.InstallPpi. 441 442 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 443 @param PpiList Pointer to ppi array that want to be installed. 444 445 @retval EFI_SUCCESS if all PPIs in PpiList are successfully installed. 446 @retval EFI_INVALID_PARAMETER if PpiList is NULL pointer 447 if any PPI in PpiList is not valid 448 @retval EFI_OUT_OF_RESOURCES if there is no more memory resource to install PPI 449 450 **/ 451 EFI_STATUS 452 EFIAPI 453 PeiInstallPpi ( 454 IN CONST EFI_PEI_SERVICES **PeiServices, 455 IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList 456 ); 457 458 /** 459 460 Re-Install PPI services. 461 462 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 463 @param OldPpi Pointer to the old PEI PPI Descriptors. 464 @param NewPpi Pointer to the new PEI PPI Descriptors. 465 466 @retval EFI_SUCCESS if the operation was successful 467 @retval EFI_INVALID_PARAMETER if OldPpi or NewPpi is NULL 468 if NewPpi is not valid 469 @retval EFI_NOT_FOUND if the PPI was not in the database 470 471 **/ 472 EFI_STATUS 473 EFIAPI 474 PeiReInstallPpi ( 475 IN CONST EFI_PEI_SERVICES **PeiServices, 476 IN CONST EFI_PEI_PPI_DESCRIPTOR *OldPpi, 477 IN CONST EFI_PEI_PPI_DESCRIPTOR *NewPpi 478 ); 479 480 /** 481 482 Locate a given named PPI. 483 484 485 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 486 @param Guid Pointer to GUID of the PPI. 487 @param Instance Instance Number to discover. 488 @param PpiDescriptor Pointer to reference the found descriptor. If not NULL, 489 returns a pointer to the descriptor (includes flags, etc) 490 @param Ppi Pointer to reference the found PPI 491 492 @retval EFI_SUCCESS if the PPI is in the database 493 @retval EFI_NOT_FOUND if the PPI is not in the database 494 495 **/ 496 EFI_STATUS 497 EFIAPI 498 PeiLocatePpi ( 499 IN CONST EFI_PEI_SERVICES **PeiServices, 500 IN CONST EFI_GUID *Guid, 501 IN UINTN Instance, 502 IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, 503 IN OUT VOID **Ppi 504 ); 505 506 /** 507 508 Install a notification for a given PPI. 509 510 511 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 512 @param NotifyList Pointer to list of Descriptors to notify upon. 513 514 @retval EFI_SUCCESS if successful 515 @retval EFI_OUT_OF_RESOURCES if no space in the database 516 @retval EFI_INVALID_PARAMETER if not a good decriptor 517 518 **/ 519 EFI_STATUS 520 EFIAPI 521 PeiNotifyPpi ( 522 IN CONST EFI_PEI_SERVICES **PeiServices, 523 IN CONST EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList 524 ); 525 526 /** 527 528 Process the Notify List at dispatch level. 529 530 @param PrivateData PeiCore's private data structure. 531 532 **/ 533 VOID 534 ProcessNotifyList ( 535 IN PEI_CORE_INSTANCE *PrivateData 536 ); 537 538 /** 539 540 Dispatch notifications. 541 542 @param PrivateData PeiCore's private data structure 543 @param NotifyType Type of notify to fire. 544 @param InstallStartIndex Install Beginning index. 545 @param InstallStopIndex Install Ending index. 546 @param NotifyStartIndex Notify Beginning index. 547 @param NotifyStopIndex Notify Ending index. 548 549 **/ 550 VOID 551 DispatchNotify ( 552 IN PEI_CORE_INSTANCE *PrivateData, 553 IN UINTN NotifyType, 554 IN INTN InstallStartIndex, 555 IN INTN InstallStopIndex, 556 IN INTN NotifyStartIndex, 557 IN INTN NotifyStopIndex 558 ); 559 560 // 561 // Boot mode support functions 562 // 563 /** 564 This service enables PEIMs to ascertain the present value of the boot mode. 565 566 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 567 @param BootMode A pointer to contain the value of the boot mode. 568 569 @retval EFI_SUCCESS The boot mode was returned successfully. 570 @retval EFI_INVALID_PARAMETER BootMode is NULL. 571 572 **/ 573 EFI_STATUS 574 EFIAPI 575 PeiGetBootMode ( 576 IN CONST EFI_PEI_SERVICES **PeiServices, 577 IN OUT EFI_BOOT_MODE *BootMode 578 ); 579 580 /** 581 This service enables PEIMs to update the boot mode variable. 582 583 584 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 585 @param BootMode The value of the boot mode to set. 586 587 @return EFI_SUCCESS The value was successfully updated 588 589 **/ 590 EFI_STATUS 591 EFIAPI 592 PeiSetBootMode ( 593 IN CONST EFI_PEI_SERVICES **PeiServices, 594 IN EFI_BOOT_MODE BootMode 595 ); 596 597 // 598 // Security support functions 599 // 600 /** 601 602 Initialize the security services. 603 604 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 605 @param OldCoreData Pointer to the old core data. 606 NULL if being run in non-permament memory mode. 607 608 **/ 609 VOID 610 InitializeSecurityServices ( 611 IN EFI_PEI_SERVICES **PeiServices, 612 IN PEI_CORE_INSTANCE *OldCoreData 613 ); 614 615 /** 616 Verify a Firmware volume. 617 618 @param CurrentFvAddress Pointer to the current Firmware Volume under consideration 619 620 @retval EFI_SUCCESS Firmware Volume is legal 621 @retval EFI_SECURITY_VIOLATION Firmware Volume fails integrity test 622 623 **/ 624 EFI_STATUS 625 VerifyFv ( 626 IN EFI_FIRMWARE_VOLUME_HEADER *CurrentFvAddress 627 ); 628 629 /** 630 Provide a callout to the security verification service. 631 632 @param PrivateData PeiCore's private data structure 633 @param VolumeHandle Handle of FV 634 @param FileHandle Handle of PEIM's ffs 635 @param AuthenticationStatus Authentication status 636 637 @retval EFI_SUCCESS Image is OK 638 @retval EFI_SECURITY_VIOLATION Image is illegal 639 @retval EFI_NOT_FOUND If security PPI is not installed. 640 **/ 641 EFI_STATUS 642 VerifyPeim ( 643 IN PEI_CORE_INSTANCE *PrivateData, 644 IN EFI_PEI_FV_HANDLE VolumeHandle, 645 IN EFI_PEI_FILE_HANDLE FileHandle, 646 IN UINT32 AuthenticationStatus 647 ); 648 649 /** 650 651 Gets the pointer to the HOB List. 652 653 654 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 655 @param HobList Pointer to the HOB List. 656 657 @retval EFI_SUCCESS Get the pointer of HOB List 658 @retval EFI_NOT_AVAILABLE_YET the HOB List is not yet published 659 @retval EFI_INVALID_PARAMETER HobList is NULL (in debug mode) 660 661 **/ 662 EFI_STATUS 663 EFIAPI 664 PeiGetHobList ( 665 IN CONST EFI_PEI_SERVICES **PeiServices, 666 IN OUT VOID **HobList 667 ); 668 669 /** 670 Add a new HOB to the HOB List. 671 672 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 673 @param Type Type of the new HOB. 674 @param Length Length of the new HOB to allocate. 675 @param Hob Pointer to the new HOB. 676 677 @return EFI_SUCCESS Success to create hob. 678 @retval EFI_INVALID_PARAMETER if Hob is NULL 679 @retval EFI_NOT_AVAILABLE_YET if HobList is still not available. 680 @retval EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist. 681 682 **/ 683 EFI_STATUS 684 EFIAPI 685 PeiCreateHob ( 686 IN CONST EFI_PEI_SERVICES **PeiServices, 687 IN UINT16 Type, 688 IN UINT16 Length, 689 IN OUT VOID **Hob 690 ); 691 692 /** 693 694 Builds a Handoff Information Table HOB 695 696 @param BootMode - Current Bootmode 697 @param MemoryBegin - Start Memory Address. 698 @param MemoryLength - Length of Memory. 699 700 @return EFI_SUCCESS Always success to initialize HOB. 701 702 **/ 703 EFI_STATUS 704 PeiCoreBuildHobHandoffInfoTable ( 705 IN EFI_BOOT_MODE BootMode, 706 IN EFI_PHYSICAL_ADDRESS MemoryBegin, 707 IN UINT64 MemoryLength 708 ); 709 710 711 // 712 // FFS Fw Volume support functions 713 // 714 /** 715 Searches for the next matching file in the firmware volume. 716 717 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 718 @param SearchType Filter to find only files of this type. 719 Type EFI_FV_FILETYPE_ALL causes no filtering to be done. 720 @param FvHandle Handle of firmware volume in which to search. 721 @param FileHandle On entry, points to the current handle from which to begin searching or NULL to start 722 at the beginning of the firmware volume. On exit, points the file handle of the next file 723 in the volume or NULL if there are no more files. 724 725 @retval EFI_NOT_FOUND The file was not found. 726 @retval EFI_NOT_FOUND The header checksum was not zero. 727 @retval EFI_SUCCESS The file was found. 728 729 **/ 730 EFI_STATUS 731 EFIAPI 732 PeiFfsFindNextFile ( 733 IN CONST EFI_PEI_SERVICES **PeiServices, 734 IN UINT8 SearchType, 735 IN EFI_PEI_FV_HANDLE FvHandle, 736 IN OUT EFI_PEI_FILE_HANDLE *FileHandle 737 ); 738 739 /** 740 Searches for the next matching section within the specified file. 741 742 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation 743 @param SectionType Filter to find only sections of this type. 744 @param FileHandle Pointer to the current file to search. 745 @param SectionData A pointer to the discovered section, if successful. 746 NULL if section not found 747 748 @retval EFI_NOT_FOUND The section was not found. 749 @retval EFI_SUCCESS The section was found. 750 751 **/ 752 EFI_STATUS 753 EFIAPI 754 PeiFfsFindSectionData ( 755 IN CONST EFI_PEI_SERVICES **PeiServices, 756 IN EFI_SECTION_TYPE SectionType, 757 IN EFI_PEI_FILE_HANDLE FileHandle, 758 OUT VOID **SectionData 759 ); 760 761 /** 762 Searches for the next matching section within the specified file. 763 764 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 765 @param SectionType The value of the section type to find. 766 @param SectionInstance Section instance to find. 767 @param FileHandle Handle of the firmware file to search. 768 @param SectionData A pointer to the discovered section, if successful. 769 @param AuthenticationStatus A pointer to the authentication status for this section. 770 771 @retval EFI_SUCCESS The section was found. 772 @retval EFI_NOT_FOUND The section was not found. 773 774 **/ 775 EFI_STATUS 776 EFIAPI 777 PeiFfsFindSectionData3 ( 778 IN CONST EFI_PEI_SERVICES **PeiServices, 779 IN EFI_SECTION_TYPE SectionType, 780 IN UINTN SectionInstance, 781 IN EFI_PEI_FILE_HANDLE FileHandle, 782 OUT VOID **SectionData, 783 OUT UINT32 *AuthenticationStatus 784 ); 785 786 /** 787 Search the firmware volumes by index 788 789 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation 790 @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware 791 Volume (BFV). 792 @param VolumeHandle On exit, points to the next volume handle or NULL if it does not exist. 793 794 @retval EFI_INVALID_PARAMETER VolumeHandle is NULL 795 @retval EFI_NOT_FOUND The volume was not found. 796 @retval EFI_SUCCESS The volume was found. 797 798 **/ 799 EFI_STATUS 800 EFIAPI 801 PeiFfsFindNextVolume ( 802 IN CONST EFI_PEI_SERVICES **PeiServices, 803 IN UINTN Instance, 804 IN OUT EFI_PEI_FV_HANDLE *VolumeHandle 805 ); 806 807 // 808 // Memory support functions 809 // 810 /** 811 812 Initialize the memory services. 813 814 @param PrivateData PeiCore's private data structure 815 @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size 816 and location of temporary RAM, the stack location and the BFV location. 817 @param OldCoreData Pointer to the PEI Core data. 818 NULL if being run in non-permament memory mode. 819 820 **/ 821 VOID 822 InitializeMemoryServices ( 823 IN PEI_CORE_INSTANCE *PrivateData, 824 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 825 IN PEI_CORE_INSTANCE *OldCoreData 826 ); 827 828 /** 829 830 Install the permanent memory is now available. 831 Creates HOB (PHIT and Stack). 832 833 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 834 @param MemoryBegin Start of memory address. 835 @param MemoryLength Length of memory. 836 837 @return EFI_SUCCESS Always success. 838 839 **/ 840 EFI_STATUS 841 EFIAPI 842 PeiInstallPeiMemory ( 843 IN CONST EFI_PEI_SERVICES **PeiServices, 844 IN EFI_PHYSICAL_ADDRESS MemoryBegin, 845 IN UINT64 MemoryLength 846 ); 847 848 /** 849 850 Memory allocation service on permanent memory, 851 not usable prior to the memory installation. 852 853 854 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 855 @param MemoryType Type of memory to allocate. 856 @param Pages Number of pages to allocate. 857 @param Memory Pointer of memory allocated. 858 859 @retval EFI_SUCCESS The allocation was successful 860 @retval EFI_INVALID_PARAMETER Only AllocateAnyAddress is supported. 861 @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available 862 @retval EFI_OUT_OF_RESOURCES There is not enough HOB heap to satisfy the requirement 863 to allocate the number of pages. 864 865 **/ 866 EFI_STATUS 867 EFIAPI 868 PeiAllocatePages ( 869 IN CONST EFI_PEI_SERVICES **PeiServices, 870 IN EFI_MEMORY_TYPE MemoryType, 871 IN UINTN Pages, 872 OUT EFI_PHYSICAL_ADDRESS *Memory 873 ); 874 875 /** 876 877 Memory allocation service on the temporary memory. 878 879 880 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 881 @param Size Amount of memory required 882 @param Buffer Address of pointer to the buffer 883 884 @retval EFI_SUCCESS The allocation was successful 885 @retval EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement 886 to allocate the requested size. 887 888 **/ 889 EFI_STATUS 890 EFIAPI 891 PeiAllocatePool ( 892 IN CONST EFI_PEI_SERVICES **PeiServices, 893 IN UINTN Size, 894 OUT VOID **Buffer 895 ); 896 897 /** 898 899 Routine for load image file. 900 901 902 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 903 @param FileHandle Pointer to the FFS file header of the image. 904 @param PeimState The dispatch state of the input PEIM handle. 905 @param EntryPoint Pointer to entry point of specified image file for output. 906 @param AuthenticationState Pointer to attestation authentication state of image. 907 908 @retval EFI_SUCCESS Image is successfully loaded. 909 @retval EFI_NOT_FOUND Fail to locate necessary PPI 910 @retval Others Fail to load file. 911 912 **/ 913 EFI_STATUS 914 PeiLoadImage ( 915 IN CONST EFI_PEI_SERVICES **PeiServices, 916 IN EFI_PEI_FILE_HANDLE FileHandle, 917 IN UINT8 PeimState, 918 OUT EFI_PHYSICAL_ADDRESS *EntryPoint, 919 OUT UINT32 *AuthenticationState 920 ); 921 922 /** 923 924 Core version of the Status Code reporter 925 926 927 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 928 @param CodeType Type of Status Code. 929 @param Value Value to output for Status Code. 930 @param Instance Instance Number of this status code. 931 @param CallerId ID of the caller of this status code. 932 @param Data Optional data associated with this status code. 933 934 @retval EFI_SUCCESS if status code is successfully reported 935 @retval EFI_NOT_AVAILABLE_YET if StatusCodePpi has not been installed 936 937 **/ 938 EFI_STATUS 939 EFIAPI 940 PeiReportStatusCode ( 941 IN CONST EFI_PEI_SERVICES **PeiServices, 942 IN EFI_STATUS_CODE_TYPE CodeType, 943 IN EFI_STATUS_CODE_VALUE Value, 944 IN UINT32 Instance, 945 IN CONST EFI_GUID *CallerId, 946 IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL 947 ); 948 949 /** 950 951 Core version of the Reset System 952 953 954 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 955 956 @retval EFI_NOT_AVAILABLE_YET PPI not available yet. 957 @retval EFI_DEVICE_ERROR Did not reset system. 958 Otherwise, resets the system. 959 960 **/ 961 EFI_STATUS 962 EFIAPI 963 PeiResetSystem ( 964 IN CONST EFI_PEI_SERVICES **PeiServices 965 ); 966 967 /** 968 Resets the entire platform. 969 970 @param[in] ResetType The type of reset to perform. 971 @param[in] ResetStatus The status code for the reset. 972 @param[in] DataSize The size, in bytes, of WatchdogData. 973 @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown 974 the data buffer starts with a Null-terminated string, optionally 975 followed by additional binary data. The string is a description 976 that the caller may use to further indicate the reason for the 977 system reset. ResetData is only valid if ResetStatus is something 978 other than EFI_SUCCESS unless the ResetType is EfiResetPlatformSpecific 979 where a minimum amount of ResetData is always required. 980 981 **/ 982 VOID 983 EFIAPI 984 PeiResetSystem2 ( 985 IN EFI_RESET_TYPE ResetType, 986 IN EFI_STATUS ResetStatus, 987 IN UINTN DataSize, 988 IN VOID *ResetData OPTIONAL 989 ); 990 991 /** 992 993 Initialize PeiCore Fv List. 994 995 996 @param PrivateData - Pointer to PEI_CORE_INSTANCE. 997 @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF. 998 999 **/ 1000 VOID 1001 PeiInitializeFv ( 1002 IN PEI_CORE_INSTANCE *PrivateData, 1003 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData 1004 ); 1005 1006 /** 1007 Process Firmware Volum Information once FvInfoPPI install. 1008 1009 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 1010 @param NotifyDescriptor Address of the notification descriptor data structure. 1011 @param Ppi Address of the PPI that was installed. 1012 1013 @retval EFI_SUCCESS if the interface could be successfully installed 1014 1015 **/ 1016 EFI_STATUS 1017 EFIAPI 1018 FirmwareVolmeInfoPpiNotifyCallback ( 1019 IN EFI_PEI_SERVICES **PeiServices, 1020 IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, 1021 IN VOID *Ppi 1022 ); 1023 1024 /** 1025 1026 Given the input VolumeHandle, search for the next matching name file. 1027 1028 @param FileName File name to search. 1029 @param VolumeHandle The current FV to search. 1030 @param FileHandle Pointer to the file matching name in VolumeHandle. 1031 NULL if file not found 1032 1033 @retval EFI_NOT_FOUND No files matching the search criteria were found 1034 @retval EFI_SUCCESS Success to search given file 1035 1036 **/ 1037 EFI_STATUS 1038 EFIAPI 1039 PeiFfsFindFileByName ( 1040 IN CONST EFI_GUID *FileName, 1041 IN EFI_PEI_FV_HANDLE VolumeHandle, 1042 OUT EFI_PEI_FILE_HANDLE *FileHandle 1043 ); 1044 1045 /** 1046 Returns information about a specific file. 1047 1048 @param FileHandle Handle of the file. 1049 @param FileInfo Upon exit, points to the file's information. 1050 1051 @retval EFI_INVALID_PARAMETER If FileInfo is NULL. 1052 @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file. 1053 @retval EFI_SUCCESS File information returned. 1054 1055 **/ 1056 EFI_STATUS 1057 EFIAPI 1058 PeiFfsGetFileInfo ( 1059 IN EFI_PEI_FILE_HANDLE FileHandle, 1060 OUT EFI_FV_FILE_INFO *FileInfo 1061 ); 1062 1063 /** 1064 Returns information about a specific file. 1065 1066 @param FileHandle Handle of the file. 1067 @param FileInfo Upon exit, points to the file's information. 1068 1069 @retval EFI_INVALID_PARAMETER If FileInfo is NULL. 1070 @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file. 1071 @retval EFI_SUCCESS File information returned. 1072 1073 **/ 1074 EFI_STATUS 1075 EFIAPI 1076 PeiFfsGetFileInfo2 ( 1077 IN EFI_PEI_FILE_HANDLE FileHandle, 1078 OUT EFI_FV_FILE_INFO2 *FileInfo 1079 ); 1080 1081 /** 1082 Returns information about the specified volume. 1083 1084 @param VolumeHandle Handle of the volume. 1085 @param VolumeInfo Upon exit, points to the volume's information. 1086 1087 @retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume. 1088 @retval EFI_INVALID_PARAMETER If VolumeInfo is NULL. 1089 @retval EFI_SUCCESS Volume information returned. 1090 **/ 1091 EFI_STATUS 1092 EFIAPI 1093 PeiFfsGetVolumeInfo ( 1094 IN EFI_PEI_FV_HANDLE VolumeHandle, 1095 OUT EFI_FV_INFO *VolumeInfo 1096 ); 1097 1098 /** 1099 This routine enable a PEIM to register itself to shadow when PEI Foundation 1100 discovery permanent memory. 1101 1102 @param FileHandle File handle of a PEIM. 1103 1104 @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself. 1105 @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself. 1106 @retval EFI_SUCCESS Successfully to register itself. 1107 1108 **/ 1109 EFI_STATUS 1110 EFIAPI 1111 PeiRegisterForShadow ( 1112 IN EFI_PEI_FILE_HANDLE FileHandle 1113 ); 1114 1115 /** 1116 Initialize image service that install PeiLoadFilePpi. 1117 1118 @param PrivateData Pointer to PeiCore's private data structure PEI_CORE_INSTANCE. 1119 @param OldCoreData Pointer to Old PeiCore's private data. 1120 If NULL, PeiCore is entered at first time, stack/heap in temporary memory. 1121 If not NULL, PeiCore is entered at second time, stack/heap has been moved 1122 to permanent memory. 1123 1124 **/ 1125 VOID 1126 InitializeImageServices ( 1127 IN PEI_CORE_INSTANCE *PrivateData, 1128 IN PEI_CORE_INSTANCE *OldCoreData 1129 ); 1130 1131 /** 1132 The wrapper function of PeiLoadImageLoadImage(). 1133 1134 @param This Pointer to EFI_PEI_LOAD_FILE_PPI. 1135 @param FileHandle Pointer to the FFS file header of the image. 1136 @param ImageAddressArg Pointer to PE/TE image. 1137 @param ImageSizeArg Size of PE/TE image. 1138 @param EntryPoint Pointer to entry point of specified image file for output. 1139 @param AuthenticationState Pointer to attestation authentication state of image. 1140 1141 @return Status of PeiLoadImageLoadImage(). 1142 1143 **/ 1144 EFI_STATUS 1145 EFIAPI 1146 PeiLoadImageLoadImageWrapper ( 1147 IN CONST EFI_PEI_LOAD_FILE_PPI *This, 1148 IN EFI_PEI_FILE_HANDLE FileHandle, 1149 OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL 1150 OUT UINT64 *ImageSizeArg, OPTIONAL 1151 OUT EFI_PHYSICAL_ADDRESS *EntryPoint, 1152 OUT UINT32 *AuthenticationState 1153 ); 1154 1155 /** 1156 1157 Provide a callback for when the security PPI is installed. 1158 1159 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 1160 @param NotifyDescriptor The descriptor for the notification event. 1161 @param Ppi Pointer to the PPI in question. 1162 1163 @return Always success 1164 1165 **/ 1166 EFI_STATUS 1167 EFIAPI 1168 SecurityPpiNotifyCallback ( 1169 IN EFI_PEI_SERVICES **PeiServices, 1170 IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, 1171 IN VOID *Ppi 1172 ); 1173 1174 /** 1175 Get Fv image from the FV type file, then install FV INFO(2) ppi, Build FV hob. 1176 1177 @param PrivateData PeiCore's private data structure 1178 @param ParentFvCoreHandle Pointer of EFI_CORE_FV_HANDLE to parent Fv image that contain this Fv image. 1179 @param ParentFvFileHandle File handle of a Fv type file that contain this Fv image. 1180 1181 @retval EFI_NOT_FOUND FV image can't be found. 1182 @retval EFI_SUCCESS Successfully to process it. 1183 @retval EFI_OUT_OF_RESOURCES Can not allocate page when aligning FV image 1184 @retval EFI_SECURITY_VIOLATION Image is illegal 1185 @retval Others Can not find EFI_SECTION_FIRMWARE_VOLUME_IMAGE section 1186 1187 **/ 1188 EFI_STATUS 1189 ProcessFvFile ( 1190 IN PEI_CORE_INSTANCE *PrivateData, 1191 IN PEI_CORE_FV_HANDLE *ParentFvCoreHandle, 1192 IN EFI_PEI_FILE_HANDLE ParentFvFileHandle 1193 ); 1194 1195 /** 1196 Get instance of PEI_CORE_FV_HANDLE for next volume according to given index. 1197 1198 This routine also will install FvInfo ppi for FV hob in PI ways. 1199 1200 @param Private Pointer of PEI_CORE_INSTANCE 1201 @param Instance The index of FV want to be searched. 1202 1203 @return Instance of PEI_CORE_FV_HANDLE. 1204 **/ 1205 PEI_CORE_FV_HANDLE * 1206 FindNextCoreFvHandle ( 1207 IN PEI_CORE_INSTANCE *Private, 1208 IN UINTN Instance 1209 ); 1210 1211 // 1212 // Default EFI_PEI_CPU_IO_PPI support for EFI_PEI_SERVICES table when PeiCore initialization. 1213 // 1214 1215 /** 1216 Memory-based read services. 1217 1218 This function is to perform the Memory Access Read service based on installed 1219 instance of the EFI_PEI_CPU_IO_PPI. 1220 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1221 return EFI_NOT_YET_AVAILABLE. 1222 1223 @param PeiServices An indirect pointer to the PEI Services Table 1224 published by the PEI Foundation. 1225 @param This Pointer to local data for the interface. 1226 @param Width The width of the access. Enumerated in bytes. 1227 @param Address The physical address of the access. 1228 @param Count The number of accesses to perform. 1229 @param Buffer A pointer to the buffer of data. 1230 1231 @retval EFI_SUCCESS The function completed successfully. 1232 @retval EFI_NOT_YET_AVAILABLE The service has not been installed. 1233 **/ 1234 EFI_STATUS 1235 EFIAPI 1236 PeiDefaultMemRead ( 1237 IN CONST EFI_PEI_SERVICES **PeiServices, 1238 IN CONST EFI_PEI_CPU_IO_PPI *This, 1239 IN EFI_PEI_CPU_IO_PPI_WIDTH Width, 1240 IN UINT64 Address, 1241 IN UINTN Count, 1242 IN OUT VOID *Buffer 1243 ); 1244 1245 /** 1246 Memory-based write services. 1247 1248 This function is to perform the Memory Access Write service based on installed 1249 instance of the EFI_PEI_CPU_IO_PPI. 1250 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1251 return EFI_NOT_YET_AVAILABLE. 1252 1253 @param PeiServices An indirect pointer to the PEI Services Table 1254 published by the PEI Foundation. 1255 @param This Pointer to local data for the interface. 1256 @param Width The width of the access. Enumerated in bytes. 1257 @param Address The physical address of the access. 1258 @param Count The number of accesses to perform. 1259 @param Buffer A pointer to the buffer of data. 1260 1261 @retval EFI_SUCCESS The function completed successfully. 1262 @retval EFI_NOT_YET_AVAILABLE The service has not been installed. 1263 **/ 1264 EFI_STATUS 1265 EFIAPI 1266 PeiDefaultMemWrite ( 1267 IN CONST EFI_PEI_SERVICES **PeiServices, 1268 IN CONST EFI_PEI_CPU_IO_PPI *This, 1269 IN EFI_PEI_CPU_IO_PPI_WIDTH Width, 1270 IN UINT64 Address, 1271 IN UINTN Count, 1272 IN OUT VOID *Buffer 1273 ); 1274 1275 /** 1276 IO-based read services. 1277 1278 This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI. 1279 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1280 return EFI_NOT_YET_AVAILABLE. 1281 1282 @param PeiServices An indirect pointer to the PEI Services Table 1283 published by the PEI Foundation. 1284 @param This Pointer to local data for the interface. 1285 @param Width The width of the access. Enumerated in bytes. 1286 @param Address The physical address of the access. 1287 @param Count The number of accesses to perform. 1288 @param Buffer A pointer to the buffer of data. 1289 1290 @retval EFI_SUCCESS The function completed successfully. 1291 @retval EFI_NOT_YET_AVAILABLE The service has not been installed. 1292 **/ 1293 EFI_STATUS 1294 EFIAPI 1295 PeiDefaultIoRead ( 1296 IN CONST EFI_PEI_SERVICES **PeiServices, 1297 IN CONST EFI_PEI_CPU_IO_PPI *This, 1298 IN EFI_PEI_CPU_IO_PPI_WIDTH Width, 1299 IN UINT64 Address, 1300 IN UINTN Count, 1301 IN OUT VOID *Buffer 1302 ); 1303 1304 /** 1305 IO-based write services. 1306 1307 This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI. 1308 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1309 return EFI_NOT_YET_AVAILABLE. 1310 1311 @param PeiServices An indirect pointer to the PEI Services Table 1312 published by the PEI Foundation. 1313 @param This Pointer to local data for the interface. 1314 @param Width The width of the access. Enumerated in bytes. 1315 @param Address The physical address of the access. 1316 @param Count The number of accesses to perform. 1317 @param Buffer A pointer to the buffer of data. 1318 1319 @retval EFI_SUCCESS The function completed successfully. 1320 @retval EFI_NOT_YET_AVAILABLE The service has not been installed. 1321 **/ 1322 EFI_STATUS 1323 EFIAPI 1324 PeiDefaultIoWrite ( 1325 IN CONST EFI_PEI_SERVICES **PeiServices, 1326 IN CONST EFI_PEI_CPU_IO_PPI *This, 1327 IN EFI_PEI_CPU_IO_PPI_WIDTH Width, 1328 IN UINT64 Address, 1329 IN UINTN Count, 1330 IN OUT VOID *Buffer 1331 ); 1332 1333 /** 1334 8-bit I/O read operations. 1335 1336 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1337 return 0. 1338 1339 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1340 @param This Pointer to local data for the interface. 1341 @param Address The physical address of the access. 1342 1343 @return An 8-bit value returned from the I/O space. 1344 **/ 1345 UINT8 1346 EFIAPI 1347 PeiDefaultIoRead8 ( 1348 IN CONST EFI_PEI_SERVICES **PeiServices, 1349 IN CONST EFI_PEI_CPU_IO_PPI *This, 1350 IN UINT64 Address 1351 ); 1352 1353 /** 1354 Reads an 16-bit I/O port. 1355 1356 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1357 return 0. 1358 1359 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1360 @param This Pointer to local data for the interface. 1361 @param Address The physical address of the access. 1362 1363 @return A 16-bit value returned from the I/O space. 1364 **/ 1365 UINT16 1366 EFIAPI 1367 PeiDefaultIoRead16 ( 1368 IN CONST EFI_PEI_SERVICES **PeiServices, 1369 IN CONST EFI_PEI_CPU_IO_PPI *This, 1370 IN UINT64 Address 1371 ); 1372 1373 /** 1374 Reads an 32-bit I/O port. 1375 1376 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1377 return 0. 1378 1379 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1380 @param This Pointer to local data for the interface. 1381 @param Address The physical address of the access. 1382 1383 @return A 32-bit value returned from the I/O space. 1384 **/ 1385 UINT32 1386 EFIAPI 1387 PeiDefaultIoRead32 ( 1388 IN CONST EFI_PEI_SERVICES **PeiServices, 1389 IN CONST EFI_PEI_CPU_IO_PPI *This, 1390 IN UINT64 Address 1391 ); 1392 1393 /** 1394 Reads an 64-bit I/O port. 1395 1396 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1397 return 0. 1398 1399 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1400 @param This Pointer to local data for the interface. 1401 @param Address The physical address of the access. 1402 1403 @return A 64-bit value returned from the I/O space. 1404 **/ 1405 UINT64 1406 EFIAPI 1407 PeiDefaultIoRead64 ( 1408 IN CONST EFI_PEI_SERVICES **PeiServices, 1409 IN CONST EFI_PEI_CPU_IO_PPI *This, 1410 IN UINT64 Address 1411 ); 1412 1413 /** 1414 8-bit I/O write operations. 1415 1416 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1417 @param This Pointer to local data for the interface. 1418 @param Address The physical address of the access. 1419 @param Data The data to write. 1420 **/ 1421 VOID 1422 EFIAPI 1423 PeiDefaultIoWrite8 ( 1424 IN CONST EFI_PEI_SERVICES **PeiServices, 1425 IN CONST EFI_PEI_CPU_IO_PPI *This, 1426 IN UINT64 Address, 1427 IN UINT8 Data 1428 ); 1429 1430 /** 1431 16-bit I/O write operations. 1432 1433 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1434 @param This Pointer to local data for the interface. 1435 @param Address The physical address of the access. 1436 @param Data The data to write. 1437 **/ 1438 VOID 1439 EFIAPI 1440 PeiDefaultIoWrite16 ( 1441 IN CONST EFI_PEI_SERVICES **PeiServices, 1442 IN CONST EFI_PEI_CPU_IO_PPI *This, 1443 IN UINT64 Address, 1444 IN UINT16 Data 1445 ); 1446 1447 /** 1448 32-bit I/O write operations. 1449 1450 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1451 @param This Pointer to local data for the interface. 1452 @param Address The physical address of the access. 1453 @param Data The data to write. 1454 **/ 1455 VOID 1456 EFIAPI 1457 PeiDefaultIoWrite32 ( 1458 IN CONST EFI_PEI_SERVICES **PeiServices, 1459 IN CONST EFI_PEI_CPU_IO_PPI *This, 1460 IN UINT64 Address, 1461 IN UINT32 Data 1462 ); 1463 1464 /** 1465 64-bit I/O write operations. 1466 1467 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1468 @param This Pointer to local data for the interface. 1469 @param Address The physical address of the access. 1470 @param Data The data to write. 1471 **/ 1472 VOID 1473 EFIAPI 1474 PeiDefaultIoWrite64 ( 1475 IN CONST EFI_PEI_SERVICES **PeiServices, 1476 IN CONST EFI_PEI_CPU_IO_PPI *This, 1477 IN UINT64 Address, 1478 IN UINT64 Data 1479 ); 1480 1481 /** 1482 8-bit memory read operations. 1483 1484 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1485 return 0. 1486 1487 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1488 @param This Pointer to local data for the interface. 1489 @param Address The physical address of the access. 1490 1491 @return An 8-bit value returned from the memory space. 1492 1493 **/ 1494 UINT8 1495 EFIAPI 1496 PeiDefaultMemRead8 ( 1497 IN CONST EFI_PEI_SERVICES **PeiServices, 1498 IN CONST EFI_PEI_CPU_IO_PPI *This, 1499 IN UINT64 Address 1500 ); 1501 1502 /** 1503 16-bit memory read operations. 1504 1505 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1506 return 0. 1507 1508 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1509 @param This Pointer to local data for the interface. 1510 @param Address The physical address of the access. 1511 1512 @return An 16-bit value returned from the memory space. 1513 1514 **/ 1515 UINT16 1516 EFIAPI 1517 PeiDefaultMemRead16 ( 1518 IN CONST EFI_PEI_SERVICES **PeiServices, 1519 IN CONST EFI_PEI_CPU_IO_PPI *This, 1520 IN UINT64 Address 1521 ); 1522 1523 /** 1524 32-bit memory read operations. 1525 1526 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1527 return 0. 1528 1529 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1530 @param This Pointer to local data for the interface. 1531 @param Address The physical address of the access. 1532 1533 @return An 32-bit value returned from the memory space. 1534 1535 **/ 1536 UINT32 1537 EFIAPI 1538 PeiDefaultMemRead32 ( 1539 IN CONST EFI_PEI_SERVICES **PeiServices, 1540 IN CONST EFI_PEI_CPU_IO_PPI *This, 1541 IN UINT64 Address 1542 ); 1543 1544 /** 1545 64-bit memory read operations. 1546 1547 If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then 1548 return 0. 1549 1550 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1551 @param This Pointer to local data for the interface. 1552 @param Address The physical address of the access. 1553 1554 @return An 64-bit value returned from the memory space. 1555 1556 **/ 1557 UINT64 1558 EFIAPI 1559 PeiDefaultMemRead64 ( 1560 IN CONST EFI_PEI_SERVICES **PeiServices, 1561 IN CONST EFI_PEI_CPU_IO_PPI *This, 1562 IN UINT64 Address 1563 ); 1564 1565 /** 1566 8-bit memory write operations. 1567 1568 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1569 @param This Pointer to local data for the interface. 1570 @param Address The physical address of the access. 1571 @param Data The data to write. 1572 1573 **/ 1574 VOID 1575 EFIAPI 1576 PeiDefaultMemWrite8 ( 1577 IN CONST EFI_PEI_SERVICES **PeiServices, 1578 IN CONST EFI_PEI_CPU_IO_PPI *This, 1579 IN UINT64 Address, 1580 IN UINT8 Data 1581 ); 1582 1583 /** 1584 16-bit memory write operations. 1585 1586 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1587 @param This Pointer to local data for the interface. 1588 @param Address The physical address of the access. 1589 @param Data The data to write. 1590 1591 **/ 1592 VOID 1593 EFIAPI 1594 PeiDefaultMemWrite16 ( 1595 IN CONST EFI_PEI_SERVICES **PeiServices, 1596 IN CONST EFI_PEI_CPU_IO_PPI *This, 1597 IN UINT64 Address, 1598 IN UINT16 Data 1599 ); 1600 1601 /** 1602 32-bit memory write operations. 1603 1604 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1605 @param This Pointer to local data for the interface. 1606 @param Address The physical address of the access. 1607 @param Data The data to write. 1608 1609 **/ 1610 VOID 1611 EFIAPI 1612 PeiDefaultMemWrite32 ( 1613 IN CONST EFI_PEI_SERVICES **PeiServices, 1614 IN CONST EFI_PEI_CPU_IO_PPI *This, 1615 IN UINT64 Address, 1616 IN UINT32 Data 1617 ); 1618 1619 /** 1620 64-bit memory write operations. 1621 1622 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1623 @param This Pointer to local data for the interface. 1624 @param Address The physical address of the access. 1625 @param Data The data to write. 1626 1627 **/ 1628 VOID 1629 EFIAPI 1630 PeiDefaultMemWrite64 ( 1631 IN CONST EFI_PEI_SERVICES **PeiServices, 1632 IN CONST EFI_PEI_CPU_IO_PPI *This, 1633 IN UINT64 Address, 1634 IN UINT64 Data 1635 ); 1636 1637 extern EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi; 1638 1639 // 1640 // Default EFI_PEI_PCI_CFG2_PPI support for EFI_PEI_SERVICES table when PeiCore initialization. 1641 // 1642 1643 /** 1644 Reads from a given location in the PCI configuration space. 1645 1646 If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM, then 1647 return EFI_NOT_YET_AVAILABLE. 1648 1649 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1650 @param This Pointer to local data for the interface. 1651 @param Width The width of the access. Enumerated in bytes. 1652 See EFI_PEI_PCI_CFG_PPI_WIDTH above. 1653 @param Address The physical address of the access. The format of 1654 the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS. 1655 @param Buffer A pointer to the buffer of data. 1656 1657 @retval EFI_SUCCESS The function completed successfully. 1658 @retval EFI_INVALID_PARAMETER The invalid access width. 1659 @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM. 1660 1661 **/ 1662 EFI_STATUS 1663 EFIAPI 1664 PeiDefaultPciCfg2Read ( 1665 IN CONST EFI_PEI_SERVICES **PeiServices, 1666 IN CONST EFI_PEI_PCI_CFG2_PPI *This, 1667 IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, 1668 IN UINT64 Address, 1669 IN OUT VOID *Buffer 1670 ); 1671 1672 /** 1673 Write to a given location in the PCI configuration space. 1674 1675 If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM, then 1676 return EFI_NOT_YET_AVAILABLE. 1677 1678 @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation. 1679 @param This Pointer to local data for the interface. 1680 @param Width The width of the access. Enumerated in bytes. 1681 See EFI_PEI_PCI_CFG_PPI_WIDTH above. 1682 @param Address The physical address of the access. The format of 1683 the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS. 1684 @param Buffer A pointer to the buffer of data. 1685 1686 @retval EFI_SUCCESS The function completed successfully. 1687 @retval EFI_INVALID_PARAMETER The invalid access width. 1688 @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM. 1689 **/ 1690 EFI_STATUS 1691 EFIAPI 1692 PeiDefaultPciCfg2Write ( 1693 IN CONST EFI_PEI_SERVICES **PeiServices, 1694 IN CONST EFI_PEI_PCI_CFG2_PPI *This, 1695 IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, 1696 IN UINT64 Address, 1697 IN OUT VOID *Buffer 1698 ); 1699 1700 /** 1701 This function performs a read-modify-write operation on the contents from a given 1702 location in the PCI configuration space. 1703 1704 @param PeiServices An indirect pointer to the PEI Services Table 1705 published by the PEI Foundation. 1706 @param This Pointer to local data for the interface. 1707 @param Width The width of the access. Enumerated in bytes. Type 1708 EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read(). 1709 @param Address The physical address of the access. 1710 @param SetBits Points to value to bitwise-OR with the read configuration value. 1711 The size of the value is determined by Width. 1712 @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value. 1713 The size of the value is determined by Width. 1714 1715 @retval EFI_SUCCESS The function completed successfully. 1716 @retval EFI_INVALID_PARAMETER The invalid access width. 1717 @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM. 1718 **/ 1719 EFI_STATUS 1720 EFIAPI 1721 PeiDefaultPciCfg2Modify ( 1722 IN CONST EFI_PEI_SERVICES **PeiServices, 1723 IN CONST EFI_PEI_PCI_CFG2_PPI *This, 1724 IN EFI_PEI_PCI_CFG_PPI_WIDTH Width, 1725 IN UINT64 Address, 1726 IN VOID *SetBits, 1727 IN VOID *ClearBits 1728 ); 1729 1730 extern EFI_PEI_PCI_CFG2_PPI gPeiDefaultPciCfg2Ppi; 1731 1732 /** 1733 After PeiCore image is shadowed into permanent memory, all build-in FvPpi should 1734 be re-installed with the instance in permanent memory and all cached FvPpi pointers in 1735 PrivateData->Fv[] array should be fixed up to be pointed to the one in permanent 1736 memory. 1737 1738 @param PrivateData Pointer to PEI_CORE_INSTANCE. 1739 **/ 1740 VOID 1741 PeiReinitializeFv ( 1742 IN PEI_CORE_INSTANCE *PrivateData 1743 ); 1744 1745 #endif 1746