StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c

   1 /** @file
   2   HOB Library implementation for Standalone MM Core.
   3
   4 Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
   5 Copyright (c) 2017 - 2018, ARM Limited. All rights reserved.<BR>
   6 Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
   7
   8 This program and the accompanying materials
   9 are licensed and made available under the terms and conditions of the BSD License
  10 which accompanies this distribution.  The full text of the license may be found at
  11 http://opensource.org/licenses/bsd-license.php.
  12
  13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  15
  16 **/
  17
  18 #include <PiMm.h>
  19
  20 #include <Library/HobLib.h>
  21 #include <Library/DebugLib.h>
  22 #include <Library/BaseMemoryLib.h>
  23 #include <Library/MmServicesTableLib.h>
  24
  25 //
  26 // Cache copy of HobList pointer.
  27 //
  28 STATIC VOID *gHobList = NULL;
  29
  30 /**
  31   The constructor function caches the pointer to HOB list.
  32
  33   The constructor function gets the start address of HOB list from system configuration table.
  34   It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
  35
  36   @param  ImageHandle     The firmware allocated handle for the image.
  37   @param  MmSystemTable   A pointer to the MM System Table.
  38
  39   @retval EFI_SUCCESS     The constructor successfully gets HobList.
  40   @retval Other value     The constructor can't get HobList.
  41
  42 **/
  43 EFI_STATUS
  44 EFIAPI
  45 HobLibConstructor (
  46   IN EFI_HANDLE             ImageHandle,
  47   IN EFI_MM_SYSTEM_TABLE    *MmSystemTable
  48   )
  49 {
  50   UINTN       Index;
  51
  52   for (Index = 0; Index < gMmst->NumberOfTableEntries; Index++) {
  53     if (CompareGuid (&gEfiHobListGuid, &gMmst->MmConfigurationTable[Index].VendorGuid)) {
  54       gHobList = gMmst->MmConfigurationTable[Index].VendorTable;
  55       break;
  56     }
  57   }
  58   return EFI_SUCCESS;
  59 }
  60
  61 /**
  62   Returns the pointer to the HOB list.
  63
  64   This function returns the pointer to first HOB in the list.
  65   If the pointer to the HOB list is NULL, then ASSERT().
  66
  67   @return The pointer to the HOB list.
  68
  69 **/
  70 VOID *
  71 EFIAPI
  72 GetHobList (
  73   VOID
  74   )
  75 {
  76   UINTN       Index;
  77
  78   if (gHobList == NULL) {
  79     for (Index = 0; Index < gMmst->NumberOfTableEntries; Index++) {
  80       if (CompareGuid (&gEfiHobListGuid, &gMmst->MmConfigurationTable[Index].VendorGuid)) {
  81         gHobList = gMmst->MmConfigurationTable[Index].VendorTable;
  82         break;
  83       }
  84     }
  85   }
  86   ASSERT (gHobList != NULL);
  87   return gHobList;
  88 }
  89
  90 /**
  91   Returns the next instance of a HOB type from the starting HOB.
  92
  93   This function searches the first instance of a HOB type from the starting HOB pointer.
  94   If there does not exist such HOB type from the starting HOB pointer, it will return NULL.
  95   In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer
  96   unconditionally: it returns HobStart back if HobStart itself meets the requirement;
  97   caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.
  98
  99   If HobStart is NULL, then ASSERT().
 100
 101   @param  Type          The HOB type to return.
 102   @param  HobStart      The starting HOB pointer to search from.
 103
 104   @return The next instance of a HOB type from the starting HOB.
 105
 106 **/
 107 VOID *
 108 EFIAPI
 109 GetNextHob (
 110   IN UINT16                 Type,
 111   IN CONST VOID             *HobStart
 112   )
 113 {
 114   EFI_PEI_HOB_POINTERS  Hob;
 115
 116   ASSERT (HobStart != NULL);
 117
 118   Hob.Raw = (UINT8 *) HobStart;
 119   //
 120   // Parse the HOB list until end of list or matching type is found.
 121   //
 122   while (!END_OF_HOB_LIST (Hob)) {
 123     if (Hob.Header->HobType == Type) {
 124       return Hob.Raw;
 125     }
 126     Hob.Raw = GET_NEXT_HOB (Hob);
 127   }
 128   return NULL;
 129 }
 130
 131 /**
 132   Returns the first instance of a HOB type among the whole HOB list.
 133
 134   This function searches the first instance of a HOB type among the whole HOB list.
 135   If there does not exist such HOB type in the HOB list, it will return NULL.
 136
 137   If the pointer to the HOB list is NULL, then ASSERT().
 138
 139   @param  Type          The HOB type to return.
 140
 141   @return The next instance of a HOB type from the starting HOB.
 142
 143 **/
 144 VOID *
 145 EFIAPI
 146 GetFirstHob (
 147   IN UINT16                 Type
 148   )
 149 {
 150   VOID      *HobList;
 151
 152   HobList = GetHobList ();
 153   return GetNextHob (Type, HobList);
 154 }
 155
 156 /**
 157   Returns the next instance of the matched GUID HOB from the starting HOB.
 158
 159   This function searches the first instance of a HOB from the starting HOB pointer.
 160   Such HOB should satisfy two conditions:
 161   its HOB type is EFI_HOB_TYPE_GUID_EXTENSION, and its GUID Name equals to the input Guid.
 162   If such a HOB from the starting HOB pointer does not exist, it will return NULL.
 163   Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()
 164   to extract the data section and its size information, respectively.
 165   In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer
 166   unconditionally: it returns HobStart back if HobStart itself meets the requirement;
 167   caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.
 168
 169   If Guid is NULL, then ASSERT().
 170   If HobStart is NULL, then ASSERT().
 171
 172   @param  Guid          The GUID to match with in the HOB list.
 173   @param  HobStart      A pointer to a Guid.
 174
 175   @return The next instance of the matched GUID HOB from the starting HOB.
 176
 177 **/
 178 VOID *
 179 EFIAPI
 180 GetNextGuidHob (
 181   IN CONST EFI_GUID         *Guid,
 182   IN CONST VOID             *HobStart
 183   )
 184 {
 185   EFI_PEI_HOB_POINTERS  GuidHob;
 186
 187   GuidHob.Raw = (UINT8 *) HobStart;
 188   while ((GuidHob.Raw = GetNextHob (EFI_HOB_TYPE_GUID_EXTENSION, GuidHob.Raw)) != NULL) {
 189     if (CompareGuid (Guid, &GuidHob.Guid->Name)) {
 190       break;
 191     }
 192     GuidHob.Raw = GET_NEXT_HOB (GuidHob);
 193   }
 194   return GuidHob.Raw;
 195 }
 196
 197 /**
 198   Returns the first instance of the matched GUID HOB among the whole HOB list.
 199
 200   This function searches the first instance of a HOB among the whole HOB list.
 201   Such HOB should satisfy two conditions:
 202   its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.
 203   If such a HOB from the starting HOB pointer does not exist, it will return NULL.
 204   Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()
 205   to extract the data section and its size information, respectively.
 206
 207   If the pointer to the HOB list is NULL, then ASSERT().
 208   If Guid is NULL, then ASSERT().
 209
 210   @param  Guid          The GUID to match with in the HOB list.
 211
 212   @return The first instance of the matched GUID HOB among the whole HOB list.
 213
 214 **/
 215 VOID *
 216 EFIAPI
 217 GetFirstGuidHob (
 218   IN CONST EFI_GUID         *Guid
 219   )
 220 {
 221   VOID      *HobList;
 222
 223   HobList = GetHobList ();
 224   return GetNextGuidHob (Guid, HobList);
 225 }
 226
 227 /**
 228   Get the system boot mode from the HOB list.
 229
 230   This function returns the system boot mode information from the
 231   PHIT HOB in HOB list.
 232
 233   If the pointer to the HOB list is NULL, then ASSERT().
 234
 235   @param  VOID
 236
 237   @return The Boot Mode.
 238
 239 **/
 240 EFI_BOOT_MODE
 241 EFIAPI
 242 GetBootModeHob (
 243   VOID
 244   )
 245 {
 246   EFI_HOB_HANDOFF_INFO_TABLE    *HandOffHob;
 247
 248   HandOffHob = (EFI_HOB_HANDOFF_INFO_TABLE *) GetHobList ();
 249
 250   return  HandOffHob->BootMode;
 251 }
 252
 253 VOID *
 254 CreateHob (
 255   IN  UINT16    HobType,
 256   IN  UINT16    HobLength
 257   )
 258 {
 259   EFI_HOB_HANDOFF_INFO_TABLE  *HandOffHob;
 260   EFI_HOB_GENERIC_HEADER      *HobEnd;
 261   EFI_PHYSICAL_ADDRESS        FreeMemory;
 262   VOID                        *Hob;
 263
 264   HandOffHob = GetHobList ();
 265
 266   HobLength = (UINT16)((HobLength + 0x7) & (~0x7));
 267
 268   FreeMemory = HandOffHob->EfiFreeMemoryTop - HandOffHob->EfiFreeMemoryBottom;
 269
 270   if (FreeMemory < HobLength) {
 271       return NULL;
 272   }
 273
 274   Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList;
 275   ((EFI_HOB_GENERIC_HEADER*) Hob)->HobType = HobType;
 276   ((EFI_HOB_GENERIC_HEADER*) Hob)->HobLength = HobLength;
 277   ((EFI_HOB_GENERIC_HEADER*) Hob)->Reserved = 0;
 278
 279   HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN)Hob + HobLength);
 280   HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
 281
 282   HobEnd->HobType   = EFI_HOB_TYPE_END_OF_HOB_LIST;
 283   HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER);
 284   HobEnd->Reserved  = 0;
 285   HobEnd++;
 286   HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
 287
 288   return Hob;
 289 }
 290
 291 /**
 292   Builds a HOB for a loaded PE32 module.
 293
 294   This function builds a HOB for a loaded PE32 module.
 295   If ModuleName is NULL, then ASSERT().
 296   If there is no additional space for HOB creation, then ASSERT().
 297
 298   @param  ModuleName              The GUID File Name of the module.
 299   @param  MemoryAllocationModule  The 64 bit physical address of the module.
 300   @param  ModuleLength            The length of the module in bytes.
 301   @param  EntryPoint              The 64 bit physical address of the module entry point.
 302
 303 **/
 304 VOID
 305 EFIAPI
 306 BuildModuleHob (
 307   IN CONST EFI_GUID         *ModuleName,
 308   IN EFI_PHYSICAL_ADDRESS   MemoryAllocationModule,
 309   IN UINT64                 ModuleLength,
 310   IN EFI_PHYSICAL_ADDRESS   EntryPoint
 311   )
 312 {
 313   EFI_HOB_MEMORY_ALLOCATION_MODULE  *Hob;
 314
 315   ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) &&
 316           ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));
 317
 318   Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));
 319
 320   CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);
 321   Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;
 322   Hob->MemoryAllocationHeader.MemoryLength      = ModuleLength;
 323   Hob->MemoryAllocationHeader.MemoryType        = EfiBootServicesCode;
 324
 325   //
 326   // Zero the reserved space to match HOB spec
 327   //
 328   ZeroMem (Hob->MemoryAllocationHeader.Reserved, sizeof (Hob->MemoryAllocationHeader.Reserved));
 329
 330   CopyGuid (&Hob->ModuleName, ModuleName);
 331   Hob->EntryPoint = EntryPoint;
 332 }
 333
 334 /**
 335   Builds a HOB that describes a chunk of system memory.
 336
 337   This function builds a HOB that describes a chunk of system memory.
 338   If there is no additional space for HOB creation, then ASSERT().
 339
 340   @param  ResourceType        The type of resource described by this HOB.
 341   @param  ResourceAttribute   The resource attributes of the memory described by this HOB.
 342   @param  PhysicalStart       The 64 bit physical address of memory described by this HOB.
 343   @param  NumberOfBytes       The length of the memory described by this HOB in bytes.
 344
 345 **/
 346 VOID
 347 EFIAPI
 348 BuildResourceDescriptorHob (
 349   IN EFI_RESOURCE_TYPE            ResourceType,
 350   IN EFI_RESOURCE_ATTRIBUTE_TYPE  ResourceAttribute,
 351   IN EFI_PHYSICAL_ADDRESS         PhysicalStart,
 352   IN UINT64                       NumberOfBytes
 353   )
 354 {
 355   EFI_HOB_RESOURCE_DESCRIPTOR  *Hob;
 356
 357   Hob = CreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));
 358   ASSERT(Hob != NULL);
 359
 360   Hob->ResourceType      = ResourceType;
 361   Hob->ResourceAttribute = ResourceAttribute;
 362   Hob->PhysicalStart     = PhysicalStart;
 363   Hob->ResourceLength    = NumberOfBytes;
 364 }
 365
 366 /**
 367   Builds a GUID HOB with a certain data length.
 368
 369   This function builds a customized HOB tagged with a GUID for identification
 370   and returns the start address of GUID HOB data so that caller can fill the customized data.
 371   The HOB Header and Name field is already stripped.
 372   If Guid is NULL, then ASSERT().
 373   If there is no additional space for HOB creation, then ASSERT().
 374   If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
 375
 376   @param  Guid          The GUID to tag the customized HOB.
 377   @param  DataLength    The size of the data payload for the GUID HOB.
 378
 379   @return The start address of GUID HOB data.
 380
 381 **/
 382 VOID *
 383 EFIAPI
 384 BuildGuidHob (
 385   IN CONST EFI_GUID              *Guid,
 386   IN UINTN                       DataLength
 387   )
 388 {
 389   EFI_HOB_GUID_TYPE *Hob;
 390
 391   //
 392   // Make sure that data length is not too long.
 393   //
 394   ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));
 395
 396   Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));
 397   CopyGuid (&Hob->Name, Guid);
 398   return Hob + 1;
 399 }
 400
 401
 402 /**
 403   Copies a data buffer to a newly-built HOB.
 404
 405   This function builds a customized HOB tagged with a GUID for identification,
 406   copies the input data to the HOB data field and returns the start address of the GUID HOB data.
 407   The HOB Header and Name field is already stripped.
 408   If Guid is NULL, then ASSERT().
 409   If Data is NULL and DataLength > 0, then ASSERT().
 410   If there is no additional space for HOB creation, then ASSERT().
 411   If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
 412
 413   @param  Guid          The GUID to tag the customized HOB.
 414   @param  Data          The data to be copied into the data field of the GUID HOB.
 415   @param  DataLength    The size of the data payload for the GUID HOB.
 416
 417   @return The start address of GUID HOB data.
 418
 419 **/
 420 VOID *
 421 EFIAPI
 422 BuildGuidDataHob (
 423   IN CONST EFI_GUID              *Guid,
 424   IN VOID                        *Data,
 425   IN UINTN                       DataLength
 426   )
 427 {
 428   VOID  *HobData;
 429
 430   ASSERT (Data != NULL || DataLength == 0);
 431
 432   HobData = BuildGuidHob (Guid, DataLength);
 433
 434   return CopyMem (HobData, Data, DataLength);
 435 }
 436
 437 /**
 438   Builds a Firmware Volume HOB.
 439
 440   This function builds a Firmware Volume HOB.
 441   If there is no additional space for HOB creation, then ASSERT().
 442
 443   @param  BaseAddress   The base address of the Firmware Volume.
 444   @param  Length        The size of the Firmware Volume in bytes.
 445
 446 **/
 447 VOID
 448 EFIAPI
 449 BuildFvHob (
 450   IN EFI_PHYSICAL_ADDRESS        BaseAddress,
 451   IN UINT64                      Length
 452   )
 453 {
 454   EFI_HOB_FIRMWARE_VOLUME  *Hob;
 455
 456   Hob = CreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME));
 457
 458   Hob->BaseAddress = BaseAddress;
 459   Hob->Length      = Length;
 460 }
 461
 462
 463 /**
 464   Builds a EFI_HOB_TYPE_FV2 HOB.
 465
 466   This function builds a EFI_HOB_TYPE_FV2 HOB.
 467   If there is no additional space for HOB creation, then ASSERT().
 468
 469   @param  BaseAddress   The base address of the Firmware Volume.
 470   @param  Length        The size of the Firmware Volume in bytes.
 471   @param  FvName       The name of the Firmware Volume.
 472   @param  FileName      The name of the file.
 473
 474 **/
 475 VOID
 476 EFIAPI
 477 BuildFv2Hob (
 478   IN          EFI_PHYSICAL_ADDRESS        BaseAddress,
 479   IN          UINT64                      Length,
 480   IN CONST    EFI_GUID                    *FvName,
 481   IN CONST    EFI_GUID                    *FileName
 482   )
 483 {
 484   EFI_HOB_FIRMWARE_VOLUME2  *Hob;
 485
 486   Hob = CreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2));
 487
 488   Hob->BaseAddress = BaseAddress;
 489   Hob->Length      = Length;
 490   CopyGuid (&Hob->FvName, FvName);
 491   CopyGuid (&Hob->FileName, FileName);
 492 }
 493
 494
 495 /**
 496   Builds a HOB for the CPU.
 497
 498   This function builds a HOB for the CPU.
 499   If there is no additional space for HOB creation, then ASSERT().
 500
 501   @param  SizeOfMemorySpace   The maximum physical memory addressability of the processor.
 502   @param  SizeOfIoSpace       The maximum physical I/O addressability of the processor.
 503
 504 **/
 505 VOID
 506 EFIAPI
 507 BuildCpuHob (
 508   IN UINT8                       SizeOfMemorySpace,
 509   IN UINT8                       SizeOfIoSpace
 510   )
 511 {
 512   EFI_HOB_CPU  *Hob;
 513
 514   Hob = CreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU));
 515
 516   Hob->SizeOfMemorySpace = SizeOfMemorySpace;
 517   Hob->SizeOfIoSpace     = SizeOfIoSpace;
 518
 519   //
 520   // Zero the reserved space to match HOB spec
 521   //
 522   ZeroMem (Hob->Reserved, sizeof (Hob->Reserved));
 523 }
 524
 525 /**
 526   Builds a HOB for the memory allocation.
 527
 528   This function builds a HOB for the memory allocation.
 529   If there is no additional space for HOB creation, then ASSERT().
 530
 531   @param  BaseAddress   The 64 bit physical address of the memory.
 532   @param  Length        The length of the memory allocation in bytes.
 533   @param  MemoryType    Type of memory allocated by this HOB.
 534
 535 **/
 536 VOID
 537 EFIAPI
 538 BuildMemoryAllocationHob (
 539   IN EFI_PHYSICAL_ADDRESS        BaseAddress,
 540   IN UINT64                      Length,
 541   IN EFI_MEMORY_TYPE             MemoryType
 542   )
 543 {
 544   EFI_HOB_MEMORY_ALLOCATION  *Hob;
 545
 546   ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&
 547           ((Length & (EFI_PAGE_SIZE - 1)) == 0));
 548
 549   Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION));
 550
 551   ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));
 552   Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;
 553   Hob->AllocDescriptor.MemoryLength      = Length;
 554   Hob->AllocDescriptor.MemoryType        = MemoryType;
 555   //
 556   // Zero the reserved space to match HOB spec
 557   //
 558   ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));
 559 }
 560
 561 /**
 562   Builds a HOB that describes a chunk of system memory with Owner GUID.
 563
 564   This function builds a HOB that describes a chunk of system memory.
 565   If there is no additional space for HOB creation, then ASSERT().
 566
 567   @param  ResourceType        The type of resource described by this HOB.
 568   @param  ResourceAttribute   The resource attributes of the memory described by this HOB.
 569   @param  PhysicalStart       The 64 bit physical address of memory described by this HOB.
 570   @param  NumberOfBytes       The length of the memory described by this HOB in bytes.
 571   @param  OwnerGUID           GUID for the owner of this resource.
 572
 573 **/
 574 VOID
 575 EFIAPI
 576 BuildResourceDescriptorWithOwnerHob (
 577   IN EFI_RESOURCE_TYPE            ResourceType,
 578   IN EFI_RESOURCE_ATTRIBUTE_TYPE  ResourceAttribute,
 579   IN EFI_PHYSICAL_ADDRESS         PhysicalStart,
 580   IN UINT64                       NumberOfBytes,
 581   IN EFI_GUID                     *OwnerGUID
 582   )
 583 {
 584   ASSERT (FALSE);
 585 }
 586
 587 /**
 588   Builds a Capsule Volume HOB.
 589
 590   This function builds a Capsule Volume HOB.
 591   If the platform does not support Capsule Volume HOBs, then ASSERT().
 592   If there is no additional space for HOB creation, then ASSERT().
 593
 594   @param  BaseAddress   The base address of the Capsule Volume.
 595   @param  Length        The size of the Capsule Volume in bytes.
 596
 597 **/
 598 VOID
 599 EFIAPI
 600 BuildCvHob (
 601   IN EFI_PHYSICAL_ADDRESS        BaseAddress,
 602   IN UINT64                      Length
 603   )
 604 {
 605   ASSERT (FALSE);
 606 }
 607
 608
 609 /**
 610   Builds a HOB for the BSP store.
 611
 612   This function builds a HOB for BSP store.
 613   If there is no additional space for HOB creation, then ASSERT().
 614
 615   @param  BaseAddress   The 64 bit physical address of the BSP.
 616   @param  Length        The length of the BSP store in bytes.
 617   @param  MemoryType    Type of memory allocated by this HOB.
 618
 619 **/
 620 VOID
 621 EFIAPI
 622 BuildBspStoreHob (
 623   IN EFI_PHYSICAL_ADDRESS        BaseAddress,
 624   IN UINT64                      Length,
 625   IN EFI_MEMORY_TYPE             MemoryType
 626   )
 627 {
 628   ASSERT (FALSE);
 629 }
 630
 631 /**
 632   Builds a HOB for the Stack.
 633
 634   This function builds a HOB for the stack.
 635   If there is no additional space for HOB creation, then ASSERT().
 636
 637   @param  BaseAddress   The 64 bit physical address of the Stack.
 638   @param  Length        The length of the stack in bytes.
 639
 640 **/
 641 VOID
 642 EFIAPI
 643 BuildStackHob (
 644   IN EFI_PHYSICAL_ADDRESS        BaseAddress,
 645   IN UINT64                      Length
 646   )
 647 {
 648   ASSERT (FALSE);
 649 }