| | 1 | /*++\r |
| | 2 | \r |
| | 3 | Copyright (c) 2006 - 2007, Intel Corporation\r |
| | 4 | All rights reserved. This program and the accompanying materials\r |
| | 5 | are licensed and made available under the terms and conditions of the BSD License\r |
| | 6 | which accompanies this distribution. The full text of the license may be found at\r |
| | 7 | http://opensource.org/licenses/bsd-license.php\r |
| | 8 | \r |
| | 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| | 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| | 11 | \r |
| | 12 | Module Name:\r |
| | 13 | \r |
| | 14 | PeiMain.h\r |
| | 15 | \r |
| | 16 | Abstract:\r |
| | 17 | \r |
| | 18 | Definition of Pei Core Structures and Services\r |
| | 19 | \r |
| | 20 | Revision History\r |
| | 21 | \r |
| | 22 | --*/\r |
| | 23 | \r |
| | 24 | #ifndef _PEI_MAIN_H_\r |
| | 25 | #define _PEI_MAIN_H_\r |
| | 26 | \r |
| | 27 | //\r |
| | 28 | // Include common header file for this module.\r |
| | 29 | //\r |
| | 30 | #include "CommonHeader.h"\r |
| | 31 | \r |
| | 32 | extern EFI_GUID gEfiPeiCorePrivateGuid;\r |
| | 33 | \r |
| | 34 | //\r |
| | 35 | // Pei Core private data structures\r |
| | 36 | //\r |
| | 37 | typedef union {\r |
| | 38 | EFI_PEI_PPI_DESCRIPTOR *Ppi;\r |
| | 39 | EFI_PEI_NOTIFY_DESCRIPTOR *Notify;\r |
| | 40 | VOID *Raw;\r |
| | 41 | } PEI_PPI_LIST_POINTERS;\r |
| | 42 | \r |
| | 43 | #define PEI_STACK_SIZE 0x20000\r |
| | 44 | \r |
| | 45 | #define MAX_PPI_DESCRIPTORS 64\r |
| | 46 | \r |
| | 47 | typedef struct {\r |
| | 48 | INTN PpiListEnd;\r |
| | 49 | INTN NotifyListEnd;\r |
| | 50 | INTN DispatchListEnd;\r |
| | 51 | INTN LastDispatchedInstall;\r |
| | 52 | INTN LastDispatchedNotify;\r |
| | 53 | PEI_PPI_LIST_POINTERS PpiListPtrs[MAX_PPI_DESCRIPTORS];\r |
| | 54 | } PEI_PPI_DATABASE;\r |
| | 55 | \r |
| | 56 | typedef struct {\r |
| | 57 | UINT8 CurrentPeim;\r |
| | 58 | UINT8 CurrentFv;\r |
| | 59 | UINT32 DispatchedPeimBitMap;\r |
| | 60 | UINT32 PreviousPeimBitMap;\r |
| | 61 | EFI_FFS_FILE_HEADER *CurrentPeimAddress;\r |
| | 62 | EFI_FIRMWARE_VOLUME_HEADER *CurrentFvAddress;\r |
| | 63 | EFI_FIRMWARE_VOLUME_HEADER *BootFvAddress;\r |
| | 64 | EFI_PEI_FIND_FV_PPI *FindFv;\r |
| | 65 | } PEI_CORE_DISPATCH_DATA;\r |
| | 66 | \r |
| | 67 | \r |
| | 68 | //\r |
| | 69 | // Pei Core private data structure instance\r |
| | 70 | //\r |
| | 71 | \r |
| | 72 | #define PEI_CORE_HANDLE_SIGNATURE EFI_SIGNATURE_32('P','e','i','C')\r |
| | 73 | \r |
| | 74 | typedef struct{\r |
| | 75 | UINTN Signature;\r |
| | 76 | EFI_PEI_SERVICES *PS; // Point to ServiceTableShadow\r |
| | 77 | PEI_PPI_DATABASE PpiData;\r |
| | 78 | PEI_CORE_DISPATCH_DATA DispatchData;\r |
| | 79 | EFI_PEI_HOB_POINTERS HobList;\r |
| | 80 | BOOLEAN SwitchStackSignal;\r |
| | 81 | BOOLEAN PeiMemoryInstalled;\r |
| | 82 | EFI_PHYSICAL_ADDRESS StackBase;\r |
| | 83 | UINT64 StackSize;\r |
| | 84 | VOID *BottomOfCarHeap;\r |
| | 85 | VOID *TopOfCarHeap;\r |
| | 86 | VOID *CpuIo;\r |
| | 87 | EFI_PEI_SECURITY_PPI *PrivateSecurityPpi;\r |
| | 88 | EFI_PEI_SERVICES ServiceTableShadow;\r |
| | 89 | UINTN SizeOfCacheAsRam;\r |
| | 90 | VOID *MaxTopOfCarHeap;\r |
| | 91 | } PEI_CORE_INSTANCE;\r |
| | 92 | \r |
| | 93 | //\r |
| | 94 | // Pei Core Instance Data Macros\r |
| | 95 | //\r |
| | 96 | \r |
| | 97 | #define PEI_CORE_INSTANCE_FROM_PS_THIS(a) \\r |
| | 98 | CR(a, PEI_CORE_INSTANCE, PS, PEI_CORE_HANDLE_SIGNATURE)\r |
| | 99 | \r |
| | 100 | //\r |
| | 101 | // BUGBUG: Where does this go really?\r |
| | 102 | //\r |
| | 103 | typedef\r |
| | 104 | EFI_STATUS\r |
| | 105 | (EFIAPI *PEI_CORE_ENTRY_POINT)(\r |
| | 106 | IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor,\r |
| | 107 | IN PEI_CORE_INSTANCE *OldCoreData\r |
| | 108 | );\r |
| | 109 | \r |
| | 110 | //\r |
| | 111 | // Union of temporarily used function pointers (to save stack space)\r |
| | 112 | //\r |
| | 113 | typedef union {\r |
| | 114 | PEI_CORE_ENTRY_POINT PeiCore;\r |
| | 115 | EFI_PEIM_ENTRY_POINT PeimEntry;\r |
| | 116 | EFI_PEIM_NOTIFY_ENTRY_POINT PeimNotifyEntry;\r |
| | 117 | EFI_DXE_IPL_PPI *DxeIpl;\r |
| | 118 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r |
| | 119 | EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor;\r |
| | 120 | VOID *Raw;\r |
| | 121 | } PEI_CORE_TEMP_POINTERS;\r |
| | 122 | \r |
| | 123 | \r |
| | 124 | //\r |
| | 125 | // PeiCore function\r |
| | 126 | //\r |
| | 127 | EFI_STATUS\r |
| | 128 | EFIAPI\r |
| | 129 | PeiCore (\r |
| | 130 | IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor,\r |
| | 131 | IN VOID *Data\r |
| | 132 | )\r |
| | 133 | /*++\r |
| | 134 | \r |
| | 135 | Routine Description:\r |
| | 136 | \r |
| | 137 | The entry routine to Pei Core, invoked by PeiMain during transition\r |
| | 138 | from SEC to PEI. After switching stack in the PEI core, it will restart\r |
| | 139 | with the old core data.\r |
| | 140 | \r |
| | 141 | Arguments:\r |
| | 142 | \r |
| | 143 | PeiStartupDescriptor - Information and services provided by SEC phase.\r |
| | 144 | OldCoreData - Pointer to old core data that is used to initialize the\r |
| | 145 | core's data areas.\r |
| | 146 | \r |
| | 147 | Returns:\r |
| | 148 | \r |
| | 149 | This function never returns\r |
| | 150 | EFI_NOT_FOUND - Never reach\r |
| | 151 | \r |
| | 152 | --*/\r |
| | 153 | ;\r |
| | 154 | \r |
| | 155 | //\r |
| | 156 | // Dispatcher support functions\r |
| | 157 | //\r |
| | 158 | \r |
| | 159 | EFI_STATUS\r |
| | 160 | PeimDispatchReadiness (\r |
| | 161 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 162 | IN VOID *DependencyExpression,\r |
| | 163 | IN OUT BOOLEAN *Runnable\r |
| | 164 | )\r |
| | 165 | /*++\r |
| | 166 | \r |
| | 167 | Routine Description:\r |
| | 168 | \r |
| | 169 | This is the POSTFIX version of the dependency evaluator. When a\r |
| | 170 | PUSH [PPI GUID] is encountered, a pointer to the GUID is stored on\r |
| | 171 | the evaluation stack. When that entry is poped from the evaluation\r |
| | 172 | stack, the PPI is checked if it is installed. This method allows\r |
| | 173 | some time savings as not all PPIs must be checked for certain\r |
| | 174 | operation types (AND, OR).\r |
| | 175 | \r |
| | 176 | Arguments:\r |
| | 177 | \r |
| | 178 | PeiServices - Calling context.\r |
| | 179 | \r |
| | 180 | DependencyExpression - Pointer to a dependency expression. The Grammar adheres to\r |
| | 181 | the BNF described above and is stored in postfix notation.\r |
| | 182 | Runnable - is True if the driver can be scheduled and False if the driver\r |
| | 183 | cannot be scheduled. This is the value that the schedulers\r |
| | 184 | should use for deciding the state of the driver.\r |
| | 185 | \r |
| | 186 | Returns:\r |
| | 187 | \r |
| | 188 | Status = EFI_SUCCESS if it is a well-formed Grammar\r |
| | 189 | EFI_INVALID_PARAMETER if the dependency expression overflows\r |
| | 190 | the evaluation stack\r |
| | 191 | EFI_INVALID_PARAMETER if the dependency expression underflows\r |
| | 192 | the evaluation stack\r |
| | 193 | EFI_INVALID_PARAMETER if the dependency expression is not a\r |
| | 194 | well-formed Grammar.\r |
| | 195 | --*/\r |
| | 196 | ;\r |
| | 197 | \r |
| | 198 | \r |
| | 199 | EFI_STATUS\r |
| | 200 | PeiDispatcher (\r |
| | 201 | IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor,\r |
| | 202 | IN PEI_CORE_INSTANCE *PrivateData,\r |
| | 203 | IN PEI_CORE_DISPATCH_DATA *DispatchData\r |
| | 204 | )\r |
| | 205 | \r |
| | 206 | /*++\r |
| | 207 | \r |
| | 208 | Routine Description:\r |
| | 209 | \r |
| | 210 | Conduct PEIM dispatch.\r |
| | 211 | \r |
| | 212 | Arguments:\r |
| | 213 | \r |
| | 214 | PeiStartupDescriptor - Pointer to IN EFI_PEI_STARTUP_DESCRIPTOR\r |
| | 215 | PrivateData - Pointer to the private data passed in from caller\r |
| | 216 | DispatchData - Pointer to PEI_CORE_DISPATCH_DATA data.\r |
| | 217 | \r |
| | 218 | Returns:\r |
| | 219 | \r |
| | 220 | EFI_SUCCESS - Successfully dispatched PEIM.\r |
| | 221 | EFI_NOT_FOUND - The dispatch failed.\r |
| | 222 | \r |
| | 223 | --*/\r |
| | 224 | ;\r |
| | 225 | \r |
| | 226 | \r |
| | 227 | VOID\r |
| | 228 | InitializeDispatcherData (\r |
| | 229 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 230 | IN PEI_CORE_INSTANCE *OldCoreData,\r |
| | 231 | IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor\r |
| | 232 | )\r |
| | 233 | /*++\r |
| | 234 | \r |
| | 235 | Routine Description:\r |
| | 236 | \r |
| | 237 | Initialize the Dispatcher's data members\r |
| | 238 | \r |
| | 239 | Arguments:\r |
| | 240 | \r |
| | 241 | PeiServices - The PEI core services table.\r |
| | 242 | OldCoreData - Pointer to old core data (before switching stack).\r |
| | 243 | NULL if being run in non-permament memory mode.\r |
| | 244 | PeiStartupDescriptor - Information and services provided by SEC phase.\r |
| | 245 | \r |
| | 246 | \r |
| | 247 | Returns:\r |
| | 248 | \r |
| | 249 | None\r |
| | 250 | \r |
| | 251 | --*/\r |
| | 252 | ;\r |
| | 253 | \r |
| | 254 | \r |
| | 255 | EFI_STATUS\r |
| | 256 | FindNextPeim (\r |
| | 257 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 258 | IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r |
| | 259 | IN OUT EFI_FFS_FILE_HEADER **PeimFileHeader\r |
| | 260 | )\r |
| | 261 | /*++\r |
| | 262 | \r |
| | 263 | Routine Description:\r |
| | 264 | Given the input file pointer, search for the next matching file in the\r |
| | 265 | FFS volume. The search starts from FileHeader inside\r |
| | 266 | the Firmware Volume defined by FwVolHeader.\r |
| | 267 | \r |
| | 268 | Arguments:\r |
| | 269 | PeiServices - Pointer to the PEI Core Services Table.\r |
| | 270 | \r |
| | 271 | FwVolHeader - Pointer to the FV header of the volume to search.\r |
| | 272 | This parameter must point to a valid FFS volume.\r |
| | 273 | \r |
| | 274 | PeimFileHeader - Pointer to the current file from which to begin searching.\r |
| | 275 | This pointer will be updated upon return to reflect the file found.\r |
| | 276 | \r |
| | 277 | Returns:\r |
| | 278 | EFI_NOT_FOUND - No files matching the search criteria were found\r |
| | 279 | EFI_SUCCESS\r |
| | 280 | \r |
| | 281 | --*/\r |
| | 282 | ;\r |
| | 283 | \r |
| | 284 | BOOLEAN\r |
| | 285 | Dispatched (\r |
| | 286 | IN UINT8 CurrentPeim,\r |
| | 287 | IN UINT32 DispatchedPeimBitMap\r |
| | 288 | )\r |
| | 289 | /*++\r |
| | 290 | \r |
| | 291 | Routine Description:\r |
| | 292 | \r |
| | 293 | This routine checks to see if a particular PEIM has been dispatched during\r |
| | 294 | the PEI core dispatch.\r |
| | 295 | \r |
| | 296 | Arguments:\r |
| | 297 | CurrentPeim - The PEIM/FV in the bit array to check.\r |
| | 298 | DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV.\r |
| | 299 | \r |
| | 300 | Returns:\r |
| | 301 | TRUE if PEIM already dispatched\r |
| | 302 | FALSE if not\r |
| | 303 | \r |
| | 304 | --*/\r |
| | 305 | ;\r |
| | 306 | \r |
| | 307 | VOID\r |
| | 308 | SetDispatched (\r |
| | 309 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 310 | IN UINT8 CurrentPeim,\r |
| | 311 | OUT UINT32 *DispatchedPeimBitMap\r |
| | 312 | )\r |
| | 313 | /*++\r |
| | 314 | \r |
| | 315 | Routine Description:\r |
| | 316 | \r |
| | 317 | This routine sets a PEIM as having been dispatched once its entry\r |
| | 318 | point has been invoked.\r |
| | 319 | \r |
| | 320 | Arguments:\r |
| | 321 | \r |
| | 322 | PeiServices - The PEI core services table.\r |
| | 323 | CurrentPeim - The PEIM/FV in the bit array to check.\r |
| | 324 | DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV.\r |
| | 325 | \r |
| | 326 | Returns:\r |
| | 327 | None\r |
| | 328 | \r |
| | 329 | --*/\r |
| | 330 | ;\r |
| | 331 | \r |
| | 332 | BOOLEAN\r |
| | 333 | DepexSatisfied (\r |
| | 334 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 335 | IN VOID *CurrentPeimAddress\r |
| | 336 | )\r |
| | 337 | /*++\r |
| | 338 | \r |
| | 339 | Routine Description:\r |
| | 340 | \r |
| | 341 | This routine parses the Dependency Expression, if available, and\r |
| | 342 | decides if the module can be executed.\r |
| | 343 | \r |
| | 344 | Arguments:\r |
| | 345 | PeiServices - The PEI Service Table\r |
| | 346 | CurrentPeimAddress - Address of the PEIM Firmware File under investigation\r |
| | 347 | \r |
| | 348 | Returns:\r |
| | 349 | TRUE - Can be dispatched\r |
| | 350 | FALSE - Cannot be dispatched\r |
| | 351 | \r |
| | 352 | --*/\r |
| | 353 | ;\r |
| | 354 | \r |
| | 355 | #if defined (MDE_CPU_IPF)\r |
| | 356 | //\r |
| | 357 | // In Ipf we should make special changes for the PHIT pointers to support\r |
| | 358 | // recovery boot in cache mode.\r |
| | 359 | //\r |
| | 360 | #define SWITCH_TO_CACHE_MODE(CoreData) SwitchToCacheMode(CoreData)\r |
| | 361 | #define CACHE_MODE_ADDRESS_MASK 0x7FFFFFFFFFFFFFFFULL\r |
| | 362 | VOID\r |
| | 363 | SwitchToCacheMode (\r |
| | 364 | IN PEI_CORE_INSTANCE *CoreData\r |
| | 365 | )\r |
| | 366 | /*++\r |
| | 367 | \r |
| | 368 | Routine Description:\r |
| | 369 | \r |
| | 370 | Switch the PHIT pointers to cache mode after InstallPeiMemory in CAR.\r |
| | 371 | \r |
| | 372 | Arguments:\r |
| | 373 | \r |
| | 374 | CoreData - The PEI core Private Data\r |
| | 375 | \r |
| | 376 | Returns:\r |
| | 377 | \r |
| | 378 | --*/\r |
| | 379 | ;\r |
| | 380 | \r |
| | 381 | #else\r |
| | 382 | \r |
| | 383 | #define SWITCH_TO_CACHE_MODE(CoreData)\r |
| | 384 | \r |
| | 385 | #endif\r |
| | 386 | \r |
| | 387 | //\r |
| | 388 | // PPI support functions\r |
| | 389 | //\r |
| | 390 | VOID\r |
| | 391 | InitializePpiServices (\r |
| | 392 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 393 | IN PEI_CORE_INSTANCE *OldCoreData\r |
| | 394 | )\r |
| | 395 | /*++\r |
| | 396 | \r |
| | 397 | Routine Description:\r |
| | 398 | \r |
| | 399 | Initialize PPI services.\r |
| | 400 | \r |
| | 401 | Arguments:\r |
| | 402 | \r |
| | 403 | PeiServices - The PEI core services table.\r |
| | 404 | OldCoreData - Pointer to the PEI Core data.\r |
| | 405 | NULL if being run in non-permament memory mode.\r |
| | 406 | \r |
| | 407 | Returns:\r |
| | 408 | Nothing\r |
| | 409 | \r |
| | 410 | --*/\r |
| | 411 | ;\r |
| | 412 | \r |
| | 413 | VOID\r |
| | 414 | ConvertPpiPointers (\r |
| | 415 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 416 | IN EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffHob,\r |
| | 417 | IN EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffHob\r |
| | 418 | )\r |
| | 419 | /*++\r |
| | 420 | \r |
| | 421 | Routine Description:\r |
| | 422 | \r |
| | 423 | Migrate the Hob list from the CAR stack to PEI installed memory.\r |
| | 424 | \r |
| | 425 | Arguments:\r |
| | 426 | \r |
| | 427 | PeiServices - The PEI core services table.\r |
| | 428 | OldHandOffHob - The old handoff HOB list.\r |
| | 429 | NewHandOffHob - The new handoff HOB list.\r |
| | 430 | \r |
| | 431 | Returns:\r |
| | 432 | \r |
| | 433 | --*/\r |
| | 434 | ;\r |
| | 435 | \r |
| | 436 | EFI_STATUS\r |
| | 437 | EFIAPI\r |
| | 438 | PeiInstallPpi (\r |
| | 439 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 440 | IN EFI_PEI_PPI_DESCRIPTOR *PpiList\r |
| | 441 | )\r |
| | 442 | /*++\r |
| | 443 | \r |
| | 444 | Routine Description:\r |
| | 445 | \r |
| | 446 | Install PPI services.\r |
| | 447 | \r |
| | 448 | Arguments:\r |
| | 449 | \r |
| | 450 | PeiServices - Pointer to the PEI Service Table\r |
| | 451 | PpiList - Pointer to a list of PEI PPI Descriptors.\r |
| | 452 | \r |
| | 453 | Returns:\r |
| | 454 | \r |
| | 455 | EFI_SUCCESS - if all PPIs in PpiList are successfully installed.\r |
| | 456 | EFI_INVALID_PARAMETER - if PpiList is NULL pointer\r |
| | 457 | EFI_INVALID_PARAMETER - if any PPI in PpiList is not valid\r |
| | 458 | EFI_OUT_OF_RESOURCES - if there is no more memory resource to install PPI\r |
| | 459 | \r |
| | 460 | --*/\r |
| | 461 | ;\r |
| | 462 | \r |
| | 463 | EFI_STATUS\r |
| | 464 | EFIAPI\r |
| | 465 | PeiReInstallPpi (\r |
| | 466 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 467 | IN EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r |
| | 468 | IN EFI_PEI_PPI_DESCRIPTOR *NewPpi\r |
| | 469 | )\r |
| | 470 | /*++\r |
| | 471 | \r |
| | 472 | Routine Description:\r |
| | 473 | \r |
| | 474 | Re-Install PPI services.\r |
| | 475 | \r |
| | 476 | Arguments:\r |
| | 477 | \r |
| | 478 | PeiServices - Pointer to the PEI Service Table\r |
| | 479 | OldPpi - Pointer to the old PEI PPI Descriptors.\r |
| | 480 | NewPpi - Pointer to the new PEI PPI Descriptors.\r |
| | 481 | \r |
| | 482 | Returns:\r |
| | 483 | \r |
| | 484 | EFI_SUCCESS - if the operation was successful\r |
| | 485 | EFI_INVALID_PARAMETER - if OldPpi or NewPpi is NULL\r |
| | 486 | EFI_INVALID_PARAMETER - if NewPpi is not valid\r |
| | 487 | EFI_NOT_FOUND - if the PPI was not in the database\r |
| | 488 | \r |
| | 489 | --*/\r |
| | 490 | ;\r |
| | 491 | \r |
| | 492 | EFI_STATUS\r |
| | 493 | EFIAPI\r |
| | 494 | PeiLocatePpi (\r |
| | 495 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 496 | IN EFI_GUID *Guid,\r |
| | 497 | IN UINTN Instance,\r |
| | 498 | IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r |
| | 499 | IN OUT VOID **Ppi\r |
| | 500 | )\r |
| | 501 | /*++\r |
| | 502 | \r |
| | 503 | Routine Description:\r |
| | 504 | \r |
| | 505 | Locate a given named PPI.\r |
| | 506 | \r |
| | 507 | Arguments:\r |
| | 508 | \r |
| | 509 | PeiServices - Pointer to the PEI Service Table\r |
| | 510 | Guid - Pointer to GUID of the PPI.\r |
| | 511 | Instance - Instance Number to discover.\r |
| | 512 | PpiDescriptor - Pointer to reference the found descriptor. If not NULL,\r |
| | 513 | returns a pointer to the descriptor (includes flags, etc)\r |
| | 514 | Ppi - Pointer to reference the found PPI\r |
| | 515 | \r |
| | 516 | Returns:\r |
| | 517 | \r |
| | 518 | Status - EFI_SUCCESS if the PPI is in the database\r |
| | 519 | EFI_NOT_FOUND if the PPI is not in the database\r |
| | 520 | --*/\r |
| | 521 | ;\r |
| | 522 | \r |
| | 523 | EFI_STATUS\r |
| | 524 | EFIAPI\r |
| | 525 | PeiNotifyPpi (\r |
| | 526 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 527 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList\r |
| | 528 | )\r |
| | 529 | /*++\r |
| | 530 | \r |
| | 531 | Routine Description:\r |
| | 532 | \r |
| | 533 | Install a notification for a given PPI.\r |
| | 534 | \r |
| | 535 | Arguments:\r |
| | 536 | \r |
| | 537 | PeiServices - Pointer to the PEI Service Table\r |
| | 538 | NotifyList - Pointer to list of Descriptors to notify upon.\r |
| | 539 | \r |
| | 540 | Returns:\r |
| | 541 | \r |
| | 542 | Status - EFI_SUCCESS if successful\r |
| | 543 | EFI_OUT_OF_RESOURCES if no space in the database\r |
| | 544 | EFI_INVALID_PARAMETER if not a good decriptor\r |
| | 545 | \r |
| | 546 | --*/\r |
| | 547 | ;\r |
| | 548 | \r |
| | 549 | VOID\r |
| | 550 | ProcessNotifyList (\r |
| | 551 | IN EFI_PEI_SERVICES **PeiServices\r |
| | 552 | )\r |
| | 553 | /*++\r |
| | 554 | \r |
| | 555 | Routine Description:\r |
| | 556 | \r |
| | 557 | Process the Notify List at dispatch level.\r |
| | 558 | \r |
| | 559 | Arguments:\r |
| | 560 | \r |
| | 561 | PeiServices - Pointer to the PEI Service Table\r |
| | 562 | \r |
| | 563 | Returns:\r |
| | 564 | \r |
| | 565 | --*/\r |
| | 566 | ;\r |
| | 567 | \r |
| | 568 | VOID\r |
| | 569 | DispatchNotify (\r |
| | 570 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 571 | IN UINTN NotifyType,\r |
| | 572 | IN INTN InstallStartIndex,\r |
| | 573 | IN INTN InstallStopIndex,\r |
| | 574 | IN INTN NotifyStartIndex,\r |
| | 575 | IN INTN NotifyStopIndex\r |
| | 576 | )\r |
| | 577 | /*++\r |
| | 578 | \r |
| | 579 | Routine Description:\r |
| | 580 | \r |
| | 581 | Dispatch notifications.\r |
| | 582 | \r |
| | 583 | Arguments:\r |
| | 584 | \r |
| | 585 | PeiServices - Pointer to the PEI Service Table\r |
| | 586 | NotifyType - Type of notify to fire.\r |
| | 587 | InstallStartIndex - Install Beginning index.\r |
| | 588 | InstallStopIndex - Install Ending index.\r |
| | 589 | NotifyStartIndex - Notify Beginning index.\r |
| | 590 | NotifyStopIndex - Notify Ending index.\r |
| | 591 | \r |
| | 592 | Returns: None\r |
| | 593 | \r |
| | 594 | --*/\r |
| | 595 | ;\r |
| | 596 | \r |
| | 597 | //\r |
| | 598 | // Boot mode support functions\r |
| | 599 | //\r |
| | 600 | EFI_STATUS\r |
| | 601 | EFIAPI\r |
| | 602 | PeiGetBootMode (\r |
| | 603 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 604 | IN OUT EFI_BOOT_MODE *BootMode\r |
| | 605 | )\r |
| | 606 | /*++\r |
| | 607 | \r |
| | 608 | Routine Description:\r |
| | 609 | \r |
| | 610 | This service enables PEIMs to ascertain the present value of the boot mode.\r |
| | 611 | \r |
| | 612 | Arguments:\r |
| | 613 | \r |
| | 614 | PeiServices - The PEI core services table.\r |
| | 615 | BootMode - A pointer to contain the value of the boot mode.\r |
| | 616 | \r |
| | 617 | Returns:\r |
| | 618 | \r |
| | 619 | EFI_SUCCESS - The boot mode was returned successfully.\r |
| | 620 | EFI_INVALID_PARAMETER - BootMode is NULL.\r |
| | 621 | \r |
| | 622 | --*/\r |
| | 623 | ;\r |
| | 624 | \r |
| | 625 | EFI_STATUS\r |
| | 626 | EFIAPI\r |
| | 627 | PeiSetBootMode (\r |
| | 628 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 629 | IN EFI_BOOT_MODE BootMode\r |
| | 630 | )\r |
| | 631 | /*++\r |
| | 632 | \r |
| | 633 | Routine Description:\r |
| | 634 | \r |
| | 635 | This service enables PEIMs to update the boot mode variable.\r |
| | 636 | \r |
| | 637 | Arguments:\r |
| | 638 | \r |
| | 639 | PeiServices - The PEI core services table.\r |
| | 640 | BootMode - The value of the boot mode to set.\r |
| | 641 | \r |
| | 642 | Returns:\r |
| | 643 | \r |
| | 644 | EFI_SUCCESS - The value was successfully updated\r |
| | 645 | \r |
| | 646 | --*/\r |
| | 647 | ;\r |
| | 648 | \r |
| | 649 | //\r |
| | 650 | // Security support functions\r |
| | 651 | //\r |
| | 652 | VOID\r |
| | 653 | InitializeSecurityServices (\r |
| | 654 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 655 | IN PEI_CORE_INSTANCE *OldCoreData\r |
| | 656 | )\r |
| | 657 | /*++\r |
| | 658 | \r |
| | 659 | Routine Description:\r |
| | 660 | \r |
| | 661 | Initialize the security services.\r |
| | 662 | \r |
| | 663 | Arguments:\r |
| | 664 | \r |
| | 665 | PeiServices - The PEI core services table.\r |
| | 666 | OldCoreData - Pointer to the old core data.\r |
| | 667 | NULL if being run in non-permament memory mode.\r |
| | 668 | Returns:\r |
| | 669 | \r |
| | 670 | None\r |
| | 671 | \r |
| | 672 | --*/\r |
| | 673 | ;\r |
| | 674 | \r |
| | 675 | EFI_STATUS\r |
| | 676 | VerifyFv (\r |
| | 677 | IN EFI_FIRMWARE_VOLUME_HEADER *CurrentFvAddress\r |
| | 678 | )\r |
| | 679 | /*++\r |
| | 680 | \r |
| | 681 | Routine Description:\r |
| | 682 | \r |
| | 683 | Provide a callout to the OEM FV verification service.\r |
| | 684 | \r |
| | 685 | Arguments:\r |
| | 686 | \r |
| | 687 | CurrentFvAddress - Pointer to the FV under investigation.\r |
| | 688 | \r |
| | 689 | Returns:\r |
| | 690 | \r |
| | 691 | Status - EFI_SUCCESS\r |
| | 692 | \r |
| | 693 | --*/\r |
| | 694 | ;\r |
| | 695 | \r |
| | 696 | \r |
| | 697 | EFI_STATUS\r |
| | 698 | VerifyPeim (\r |
| | 699 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 700 | IN EFI_FFS_FILE_HEADER *CurrentPeimAddress\r |
| | 701 | )\r |
| | 702 | /*++\r |
| | 703 | \r |
| | 704 | Routine Description:\r |
| | 705 | \r |
| | 706 | Provide a callout to the security verification service.\r |
| | 707 | \r |
| | 708 | Arguments:\r |
| | 709 | \r |
| | 710 | PeiServices - The PEI core services table.\r |
| | 711 | CurrentPeimAddress - Pointer to the Firmware File under investigation.\r |
| | 712 | \r |
| | 713 | Returns:\r |
| | 714 | \r |
| | 715 | EFI_SUCCESS - Image is OK\r |
| | 716 | EFI_SECURITY_VIOLATION - Image is illegal\r |
| | 717 | \r |
| | 718 | --*/\r |
| | 719 | ;\r |
| | 720 | \r |
| | 721 | \r |
| | 722 | EFI_STATUS\r |
| | 723 | EFIAPI\r |
| | 724 | PeiGetHobList (\r |
| | 725 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 726 | IN OUT VOID **HobList\r |
| | 727 | )\r |
| | 728 | /*++\r |
| | 729 | \r |
| | 730 | Routine Description:\r |
| | 731 | \r |
| | 732 | Gets the pointer to the HOB List.\r |
| | 733 | \r |
| | 734 | Arguments:\r |
| | 735 | \r |
| | 736 | PeiServices - The PEI core services table.\r |
| | 737 | HobList - Pointer to the HOB List.\r |
| | 738 | \r |
| | 739 | Returns:\r |
| | 740 | \r |
| | 741 | EFI_SUCCESS - Get the pointer of HOB List\r |
| | 742 | EFI_NOT_AVAILABLE_YET - the HOB List is not yet published\r |
| | 743 | EFI_INVALID_PARAMETER - HobList is NULL (in debug mode)\r |
| | 744 | \r |
| | 745 | --*/\r |
| | 746 | ;\r |
| | 747 | \r |
| | 748 | EFI_STATUS\r |
| | 749 | EFIAPI\r |
| | 750 | PeiCreateHob (\r |
| | 751 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 752 | IN UINT16 Type,\r |
| | 753 | IN UINT16 Length,\r |
| | 754 | IN OUT VOID **Hob\r |
| | 755 | )\r |
| | 756 | /*++\r |
| | 757 | \r |
| | 758 | Routine Description:\r |
| | 759 | \r |
| | 760 | Add a new HOB to the HOB List.\r |
| | 761 | \r |
| | 762 | Arguments:\r |
| | 763 | \r |
| | 764 | PeiServices - The PEI core services table.\r |
| | 765 | Type - Type of the new HOB.\r |
| | 766 | Length - Length of the new HOB to allocate.\r |
| | 767 | Hob - Pointer to the new HOB.\r |
| | 768 | \r |
| | 769 | Returns:\r |
| | 770 | \r |
| | 771 | Status - EFI_SUCCESS\r |
| | 772 | - EFI_INVALID_PARAMETER if Hob is NULL\r |
| | 773 | - EFI_NOT_AVAILABLE_YET if HobList is still not available.\r |
| | 774 | - EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist.\r |
| | 775 | \r |
| | 776 | --*/\r |
| | 777 | ;\r |
| | 778 | \r |
| | 779 | EFI_STATUS\r |
| | 780 | PeiCoreBuildHobHandoffInfoTable (\r |
| | 781 | IN EFI_BOOT_MODE BootMode,\r |
| | 782 | IN EFI_PHYSICAL_ADDRESS MemoryBegin,\r |
| | 783 | IN UINT64 MemoryLength\r |
| | 784 | )\r |
| | 785 | /*++\r |
| | 786 | \r |
| | 787 | Routine Description:\r |
| | 788 | \r |
| | 789 | Builds a Handoff Information Table HOB\r |
| | 790 | \r |
| | 791 | Arguments:\r |
| | 792 | \r |
| | 793 | BootMode - Current Bootmode\r |
| | 794 | MemoryBegin - Start Memory Address.\r |
| | 795 | MemoryLength - Length of Memory.\r |
| | 796 | \r |
| | 797 | Returns:\r |
| | 798 | \r |
| | 799 | EFI_SUCCESS\r |
| | 800 | \r |
| | 801 | --*/\r |
| | 802 | ;\r |
| | 803 | \r |
| | 804 | \r |
| | 805 | //\r |
| | 806 | // FFS Fw Volume support functions\r |
| | 807 | //\r |
| | 808 | EFI_STATUS\r |
| | 809 | EFIAPI\r |
| | 810 | PeiFfsFindNextFile (\r |
| | 811 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 812 | IN UINT8 SearchType,\r |
| | 813 | IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r |
| | 814 | IN OUT EFI_FFS_FILE_HEADER **FileHeader\r |
| | 815 | )\r |
| | 816 | /*++\r |
| | 817 | \r |
| | 818 | Routine Description:\r |
| | 819 | Given the input file pointer, search for the next matching file in the\r |
| | 820 | FFS volume as defined by SearchType. The search starts from FileHeader inside\r |
| | 821 | the Firmware Volume defined by FwVolHeader.\r |
| | 822 | \r |
| | 823 | Arguments:\r |
| | 824 | PeiServices - Pointer to the PEI Core Services Table.\r |
| | 825 | \r |
| | 826 | SearchType - Filter to find only files of this type.\r |
| | 827 | Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r |
| | 828 | \r |
| | 829 | FwVolHeader - Pointer to the FV header of the volume to search.\r |
| | 830 | This parameter must point to a valid FFS volume.\r |
| | 831 | \r |
| | 832 | FileHeader - Pointer to the current file from which to begin searching.\r |
| | 833 | This pointer will be updated upon return to reflect the file found.\r |
| | 834 | \r |
| | 835 | Returns:\r |
| | 836 | EFI_NOT_FOUND - No files matching the search criteria were found\r |
| | 837 | EFI_SUCCESS\r |
| | 838 | \r |
| | 839 | --*/\r |
| | 840 | ;\r |
| | 841 | \r |
| | 842 | EFI_STATUS\r |
| | 843 | EFIAPI\r |
| | 844 | PeiFfsFindSectionData (\r |
| | 845 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 846 | IN EFI_SECTION_TYPE SectionType,\r |
| | 847 | IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r |
| | 848 | IN OUT VOID **SectionData\r |
| | 849 | )\r |
| | 850 | /*++\r |
| | 851 | \r |
| | 852 | Routine Description:\r |
| | 853 | Given the input file pointer, search for the next matching section in the\r |
| | 854 | FFS volume.\r |
| | 855 | \r |
| | 856 | Arguments:\r |
| | 857 | PeiServices - Pointer to the PEI Core Services Table.\r |
| | 858 | SearchType - Filter to find only sections of this type.\r |
| | 859 | FfsFileHeader - Pointer to the current file to search.\r |
| | 860 | SectionData - Pointer to the Section matching SectionType in FfsFileHeader.\r |
| | 861 | - NULL if section not found\r |
| | 862 | \r |
| | 863 | Returns:\r |
| | 864 | EFI_NOT_FOUND - No files matching the search criteria were found\r |
| | 865 | EFI_SUCCESS\r |
| | 866 | \r |
| | 867 | --*/\r |
| | 868 | ;\r |
| | 869 | \r |
| | 870 | EFI_STATUS\r |
| | 871 | EFIAPI\r |
| | 872 | PeiFvFindNextVolume (\r |
| | 873 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 874 | IN UINTN Instance,\r |
| | 875 | IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader\r |
| | 876 | )\r |
| | 877 | /*++\r |
| | 878 | \r |
| | 879 | Routine Description:\r |
| | 880 | \r |
| | 881 | Return the BFV location\r |
| | 882 | \r |
| | 883 | BugBug -- Move this to the location of this code to where the\r |
| | 884 | other FV and FFS support code lives.\r |
| | 885 | Also, update to use FindFV for instances #'s >= 1.\r |
| | 886 | \r |
| | 887 | Arguments:\r |
| | 888 | \r |
| | 889 | PeiServices - The PEI core services table.\r |
| | 890 | Instance - Instance of FV to find\r |
| | 891 | FwVolHeader - Pointer to contain the data to return\r |
| | 892 | \r |
| | 893 | Returns:\r |
| | 894 | Pointer to the Firmware Volume instance requested\r |
| | 895 | \r |
| | 896 | EFI_INVALID_PARAMETER - FwVolHeader is NULL\r |
| | 897 | \r |
| | 898 | EFI_SUCCESS - Firmware volume instance successfully found.\r |
| | 899 | \r |
| | 900 | --*/\r |
| | 901 | ;\r |
| | 902 | \r |
| | 903 | //\r |
| | 904 | // Memory support functions\r |
| | 905 | //\r |
| | 906 | VOID\r |
| | 907 | InitializeMemoryServices (\r |
| | 908 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 909 | IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor,\r |
| | 910 | IN PEI_CORE_INSTANCE *OldCoreData\r |
| | 911 | )\r |
| | 912 | /*++\r |
| | 913 | \r |
| | 914 | Routine Description:\r |
| | 915 | \r |
| | 916 | Initialize the memory services.\r |
| | 917 | \r |
| | 918 | Arguments:\r |
| | 919 | \r |
| | 920 | PeiServices - The PEI core services table.\r |
| | 921 | PeiStartupDescriptor - Information and services provided by SEC phase.\r |
| | 922 | OldCoreData - Pointer to the PEI Core data.\r |
| | 923 | NULL if being run in non-permament memory mode.\r |
| | 924 | \r |
| | 925 | Returns:\r |
| | 926 | \r |
| | 927 | None\r |
| | 928 | \r |
| | 929 | --*/\r |
| | 930 | ;\r |
| | 931 | \r |
| | 932 | EFI_STATUS\r |
| | 933 | EFIAPI\r |
| | 934 | PeiInstallPeiMemory (\r |
| | 935 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 936 | IN EFI_PHYSICAL_ADDRESS MemoryBegin,\r |
| | 937 | IN UINT64 MemoryLength\r |
| | 938 | )\r |
| | 939 | /*++\r |
| | 940 | \r |
| | 941 | Routine Description:\r |
| | 942 | \r |
| | 943 | Install the permanent memory is now available.\r |
| | 944 | Creates HOB (PHIT and Stack).\r |
| | 945 | \r |
| | 946 | Arguments:\r |
| | 947 | \r |
| | 948 | PeiServices - The PEI core services table.\r |
| | 949 | MemoryBegin - Start of memory address.\r |
| | 950 | MemoryLength - Length of memory.\r |
| | 951 | \r |
| | 952 | Returns:\r |
| | 953 | \r |
| | 954 | Status - EFI_SUCCESS\r |
| | 955 | \r |
| | 956 | --*/\r |
| | 957 | ;\r |
| | 958 | \r |
| | 959 | EFI_STATUS\r |
| | 960 | EFIAPI\r |
| | 961 | PeiAllocatePages (\r |
| | 962 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 963 | IN EFI_MEMORY_TYPE MemoryType,\r |
| | 964 | IN UINTN Pages,\r |
| | 965 | OUT EFI_PHYSICAL_ADDRESS *Memory\r |
| | 966 | )\r |
| | 967 | /*++\r |
| | 968 | \r |
| | 969 | Routine Description:\r |
| | 970 | \r |
| | 971 | Memory allocation service on permanent memory,\r |
| | 972 | not usable prior to the memory installation.\r |
| | 973 | \r |
| | 974 | Arguments:\r |
| | 975 | \r |
| | 976 | PeiServices - The PEI core services table.\r |
| | 977 | Type - Type of allocation.\r |
| | 978 | MemoryType - Type of memory to allocate.\r |
| | 979 | Pages - Number of pages to allocate.\r |
| | 980 | Memory - Pointer of memory allocated.\r |
| | 981 | \r |
| | 982 | Returns:\r |
| | 983 | \r |
| | 984 | Status - EFI_SUCCESS The allocation was successful\r |
| | 985 | EFI_INVALID_PARAMETER Only AllocateAnyAddress is supported.\r |
| | 986 | EFI_NOT_AVAILABLE_YET Called with permanent memory not available\r |
| | 987 | EFI_OUT_OF_RESOURCES There is not enough HOB heap to satisfy the requirement\r |
| | 988 | to allocate the number of pages.\r |
| | 989 | \r |
| | 990 | --*/\r |
| | 991 | ;\r |
| | 992 | \r |
| | 993 | EFI_STATUS\r |
| | 994 | EFIAPI\r |
| | 995 | PeiAllocatePool (\r |
| | 996 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 997 | IN UINTN Size,\r |
| | 998 | OUT VOID **Buffer\r |
| | 999 | )\r |
| | 1000 | /*++\r |
| | 1001 | \r |
| | 1002 | Routine Description:\r |
| | 1003 | \r |
| | 1004 | Memory allocation service on the CAR.\r |
| | 1005 | \r |
| | 1006 | Arguments:\r |
| | 1007 | \r |
| | 1008 | PeiServices - The PEI core services table.\r |
| | 1009 | \r |
| | 1010 | Size - Amount of memory required\r |
| | 1011 | \r |
| | 1012 | Buffer - Address of pointer to the buffer\r |
| | 1013 | \r |
| | 1014 | Returns:\r |
| | 1015 | \r |
| | 1016 | Status - EFI_SUCCESS The allocation was successful\r |
| | 1017 | EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement\r |
| | 1018 | to allocate the requested size.\r |
| | 1019 | \r |
| | 1020 | --*/\r |
| | 1021 | ;\r |
| | 1022 | \r |
| | 1023 | EFI_STATUS\r |
| | 1024 | PeiLoadImage (\r |
| | 1025 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 1026 | IN EFI_FFS_FILE_HEADER *PeimFileHeader,\r |
| | 1027 | OUT VOID **EntryPoint\r |
| | 1028 | )\r |
| | 1029 | /*++\r |
| | 1030 | \r |
| | 1031 | Routine Description:\r |
| | 1032 | \r |
| | 1033 | Get entry point of a Peim file.\r |
| | 1034 | \r |
| | 1035 | Arguments:\r |
| | 1036 | \r |
| | 1037 | PeiServices - Calling context.\r |
| | 1038 | \r |
| | 1039 | PeimFileHeader - Peim file's header.\r |
| | 1040 | \r |
| | 1041 | EntryPoint - Entry point of that Peim file.\r |
| | 1042 | \r |
| | 1043 | Returns:\r |
| | 1044 | \r |
| | 1045 | Status code.\r |
| | 1046 | \r |
| | 1047 | --*/\r |
| | 1048 | ;\r |
| | 1049 | \r |
| | 1050 | \r |
| | 1051 | EFI_STATUS\r |
| | 1052 | EFIAPI\r |
| | 1053 | PeiReportStatusCode (\r |
| | 1054 | IN EFI_PEI_SERVICES **PeiServices,\r |
| | 1055 | IN EFI_STATUS_CODE_TYPE CodeType,\r |
| | 1056 | IN EFI_STATUS_CODE_VALUE Value,\r |
| | 1057 | IN UINT32 Instance,\r |
| | 1058 | IN EFI_GUID *CallerId,\r |
| | 1059 | IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r |
| | 1060 | )\r |
| | 1061 | /*++\r |
| | 1062 | \r |
| | 1063 | Routine Description:\r |
| | 1064 | \r |
| | 1065 | Core version of the Status Code reporter\r |
| | 1066 | \r |
| | 1067 | Arguments:\r |
| | 1068 | \r |
| | 1069 | PeiServices - The PEI core services table.\r |
| | 1070 | \r |
| | 1071 | CodeType - Type of Status Code.\r |
| | 1072 | \r |
| | 1073 | Value - Value to output for Status Code.\r |
| | 1074 | \r |
| | 1075 | Instance - Instance Number of this status code.\r |
| | 1076 | \r |
| | 1077 | CallerId - ID of the caller of this status code.\r |
| | 1078 | \r |
| | 1079 | Data - Optional data associated with this status code.\r |
| | 1080 | \r |
| | 1081 | Returns:\r |
| | 1082 | \r |
| | 1083 | Status - EFI_SUCCESS if status code is successfully reported\r |
| | 1084 | - EFI_NOT_AVAILABLE_YET if StatusCodePpi has not been installed\r |
| | 1085 | \r |
| | 1086 | --*/\r |
| | 1087 | ;\r |
| | 1088 | \r |
| | 1089 | \r |
| | 1090 | EFI_STATUS\r |
| | 1091 | EFIAPI\r |
| | 1092 | PeiResetSystem (\r |
| | 1093 | IN EFI_PEI_SERVICES **PeiServices\r |
| | 1094 | )\r |
| | 1095 | /*++\r |
| | 1096 | \r |
| | 1097 | Routine Description:\r |
| | 1098 | \r |
| | 1099 | Core version of the Reset System\r |
| | 1100 | \r |
| | 1101 | Arguments:\r |
| | 1102 | \r |
| | 1103 | PeiServices - The PEI core services table.\r |
| | 1104 | \r |
| | 1105 | Returns:\r |
| | 1106 | \r |
| | 1107 | Status - EFI_NOT_AVAILABLE_YET. PPI not available yet.\r |
| | 1108 | - EFI_DEVICE_ERROR. Did not reset system.\r |
| | 1109 | \r |
| | 1110 | Otherwise, resets the system.\r |
| | 1111 | \r |
| | 1112 | --*/\r |
| | 1113 | ;\r |
| | 1114 | \r |
| | 1115 | /**\r |
| | 1116 | Transfers control to a function starting with a new stack.\r |
| | 1117 | \r |
| | 1118 | Transfers control to the function specified by EntryPoint using the new stack\r |
| | 1119 | specified by NewStack and passing in the parameters specified by Context1 and\r |
| | 1120 | Context2. Context1 and Context2 are optional and may be NULL. The function\r |
| | 1121 | EntryPoint must never return.\r |
| | 1122 | \r |
| | 1123 | If EntryPoint is NULL, then ASSERT().\r |
| | 1124 | If NewStack is NULL, then ASSERT().\r |
| | 1125 | \r |
| | 1126 | @param EntryPoint A pointer to function to call with the new stack.\r |
| | 1127 | @param Context1 A pointer to the context to pass into the EntryPoint\r |
| | 1128 | function.\r |
| | 1129 | @param Context2 A pointer to the context to pass into the EntryPoint\r |
| | 1130 | function.\r |
| | 1131 | @param NewStack A pointer to the new stack to use for the EntryPoint\r |
| | 1132 | function.\r |
| | 1133 | @param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's\r |
| | 1134 | Reserved on other architectures.\r |
| | 1135 | \r |
| | 1136 | **/\r |
| | 1137 | VOID\r |
| | 1138 | EFIAPI\r |
| | 1139 | PeiSwitchStacks (\r |
| | 1140 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r |
| | 1141 | IN VOID *Context1, OPTIONAL\r |
| | 1142 | IN VOID *Context2, OPTIONAL\r |
| | 1143 | IN VOID *NewStack,\r |
| | 1144 | IN VOID *NewBsp\r |
| | 1145 | );\r |
| | 1146 | \r |
| | 1147 | #endif\r |
projects / mirror_edk2.git / blame_incremental