| 2f78ec7a |
1 | /** @file\r |
| 2 | Instance of HOB Library using PEI Services.\r |
| 3 | \r |
| 4 | HOB Library implementation that uses PEI Services to retrieve the HOB List.\r |
| 5 | This library instance uses EFI_HOB_TYPE_CV defined in Intel framework HOB specification v0.9\r |
| 6 | to implement HobLib BuildCvHob() API. \r |
| 7 | \r |
| 8 | Copyright (c) 2007 - 2009, Intel Corporation<BR>\r |
| 9 | All rights reserved. This program and the accompanying materials\r |
| 10 | are licensed and made available under the terms and conditions of the BSD License\r |
| 11 | which accompanies this distribution. The full text of the license may be found at\r |
| 12 | http://opensource.org/licenses/bsd-license.php\r |
| 13 | \r |
| 14 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 15 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 16 | \r |
| 17 | **/\r |
| 18 | \r |
| 19 | #include <PiPei.h>\r |
| 20 | #include <FrameworkPei.h>\r |
| 21 | \r |
| 22 | #include <Guid/MemoryAllocationHob.h>\r |
| 23 | \r |
| 24 | #include <Library/HobLib.h>\r |
| 25 | #include <Library/DebugLib.h>\r |
| 26 | #include <Library/PeiServicesLib.h>\r |
| 27 | #include <Library/BaseMemoryLib.h>\r |
| 28 | \r |
| 29 | /**\r |
| 30 | Returns the pointer to the HOB list.\r |
| 31 | \r |
| 32 | This function returns the pointer to first HOB in the list.\r |
| 33 | For PEI phase, the PEI service GetHobList() can be used to retrieve the pointer \r |
| 34 | to the HOB list. For the DXE phase, the HOB list pointer can be retrieved through\r |
| 35 | the EFI System Table by looking up theHOB list GUID in the System Configuration Table.\r |
| 36 | Since the System Configuration Table does not exist that the time the DXE Core is \r |
| 37 | launched, the DXE Core uses a global variable from the DXE Core Entry Point Library \r |
| 38 | to manage the pointer to the HOB list.\r |
| 39 | \r |
| 40 | If the pointer to the HOB list is NULL, then ASSERT().\r |
| 41 | \r |
| 42 | @return The pointer to the HOB list.\r |
| 43 | \r |
| 44 | **/\r |
| 45 | VOID *\r |
| 46 | EFIAPI\r |
| 47 | GetHobList (\r |
| 48 | VOID\r |
| 49 | )\r |
| 50 | {\r |
| 51 | EFI_STATUS Status;\r |
| 52 | VOID *HobList;\r |
| 53 | \r |
| 54 | Status = PeiServicesGetHobList (&HobList);\r |
| 55 | ASSERT_EFI_ERROR (Status);\r |
| 56 | ASSERT (HobList != NULL);\r |
| 57 | \r |
| 58 | return HobList;\r |
| 59 | }\r |
| 60 | \r |
| 61 | /**\r |
| 62 | Returns the next instance of a HOB type from the starting HOB.\r |
| 63 | \r |
| 64 | This function searches the first instance of a HOB type from the starting HOB pointer. \r |
| 65 | If there does not exist such HOB type from the starting HOB pointer, it will return NULL.\r |
| 66 | In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer\r |
| 67 | unconditionally: it returns HobStart back if HobStart itself meets the requirement;\r |
| 68 | caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.\r |
| 69 | \r |
| 70 | If HobStart is NULL, then ASSERT().\r |
| 71 | \r |
| 72 | @param Type The HOB type to return.\r |
| 73 | @param HobStart The starting HOB pointer to search from.\r |
| 74 | \r |
| 75 | @return The next instance of a HOB type from the starting HOB.\r |
| 76 | \r |
| 77 | **/\r |
| 78 | VOID *\r |
| 79 | EFIAPI\r |
| 80 | GetNextHob (\r |
| 81 | IN UINT16 Type,\r |
| 82 | IN CONST VOID *HobStart\r |
| 83 | )\r |
| 84 | {\r |
| 85 | EFI_PEI_HOB_POINTERS Hob;\r |
| 86 | \r |
| 87 | ASSERT (HobStart != NULL);\r |
| 88 | \r |
| 89 | Hob.Raw = (UINT8 *) HobStart;\r |
| 90 | //\r |
| 91 | // Parse the HOB list until end of list or matching type is found.\r |
| 92 | //\r |
| 93 | while (!END_OF_HOB_LIST (Hob)) {\r |
| 94 | if (Hob.Header->HobType == Type) {\r |
| 95 | return Hob.Raw;\r |
| 96 | }\r |
| 97 | Hob.Raw = GET_NEXT_HOB (Hob);\r |
| 98 | }\r |
| 99 | return NULL;\r |
| 100 | }\r |
| 101 | \r |
| 102 | /**\r |
| 103 | Returns the first instance of a HOB type among the whole HOB list.\r |
| 104 | \r |
| 105 | This function searches the first instance of a HOB type among the whole HOB list. \r |
| 106 | If there does not exist such HOB type in the HOB list, it will return NULL. \r |
| 107 | \r |
| 108 | If the pointer to the HOB list is NULL, then ASSERT().\r |
| 109 | \r |
| 110 | @param Type The HOB type to return.\r |
| 111 | \r |
| 112 | @return The next instance of a HOB type from the starting HOB.\r |
| 113 | \r |
| 114 | **/\r |
| 115 | VOID *\r |
| 116 | EFIAPI\r |
| 117 | GetFirstHob (\r |
| 118 | IN UINT16 Type\r |
| 119 | )\r |
| 120 | {\r |
| 121 | VOID *HobList;\r |
| 122 | \r |
| 123 | HobList = GetHobList ();\r |
| 124 | return GetNextHob (Type, HobList);\r |
| 125 | }\r |
| 126 | \r |
| 127 | /**\r |
| 128 | Returns the next instance of the matched GUID HOB from the starting HOB.\r |
| 129 | \r |
| 130 | This function searches the first instance of a HOB from the starting HOB pointer. \r |
| 131 | Such HOB should satisfy two conditions: \r |
| 132 | its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid. \r |
| 133 | If there does not exist such HOB from the starting HOB pointer, it will return NULL. \r |
| 134 | Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()\r |
| 135 | to extract the data section and its size info respectively.\r |
| 136 | In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer\r |
| 137 | unconditionally: it returns HobStart back if HobStart itself meets the requirement;\r |
| 138 | caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart.\r |
| 139 | \r |
| 140 | If Guid is NULL, then ASSERT().\r |
| 141 | If HobStart is NULL, then ASSERT().\r |
| 142 | \r |
| 143 | @param Guid The GUID to match with in the HOB list.\r |
| 144 | @param HobStart A pointer to a Guid.\r |
| 145 | \r |
| 146 | @return The next instance of the matched GUID HOB from the starting HOB.\r |
| 147 | \r |
| 148 | **/\r |
| 149 | VOID *\r |
| 150 | EFIAPI\r |
| 151 | GetNextGuidHob (\r |
| 152 | IN CONST EFI_GUID *Guid,\r |
| 153 | IN CONST VOID *HobStart\r |
| 154 | )\r |
| 155 | {\r |
| 156 | EFI_PEI_HOB_POINTERS GuidHob;\r |
| 157 | \r |
| 158 | GuidHob.Raw = (UINT8 *) HobStart;\r |
| 159 | while ((GuidHob.Raw = GetNextHob (EFI_HOB_TYPE_GUID_EXTENSION, GuidHob.Raw)) != NULL) {\r |
| 160 | if (CompareGuid (Guid, &GuidHob.Guid->Name)) {\r |
| 161 | break;\r |
| 162 | }\r |
| 163 | GuidHob.Raw = GET_NEXT_HOB (GuidHob);\r |
| 164 | }\r |
| 165 | return GuidHob.Raw;\r |
| 166 | }\r |
| 167 | \r |
| 168 | /**\r |
| 169 | Returns the first instance of the matched GUID HOB among the whole HOB list.\r |
| 170 | \r |
| 171 | This function searches the first instance of a HOB among the whole HOB list. \r |
| 172 | Such HOB should satisfy two conditions:\r |
| 173 | its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid.\r |
| 174 | If there does not exist such HOB from the starting HOB pointer, it will return NULL.\r |
| 175 | Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE ()\r |
| 176 | to extract the data section and its size info respectively.\r |
| 177 | \r |
| 178 | If the pointer to the HOB list is NULL, then ASSERT().\r |
| 179 | If Guid is NULL, then ASSERT().\r |
| 180 | \r |
| 181 | @param Guid The GUID to match with in the HOB list.\r |
| 182 | \r |
| 183 | @return The first instance of the matched GUID HOB among the whole HOB list.\r |
| 184 | \r |
| 185 | **/\r |
| 186 | VOID *\r |
| 187 | EFIAPI\r |
| 188 | GetFirstGuidHob (\r |
| 189 | IN CONST EFI_GUID *Guid\r |
| 190 | )\r |
| 191 | {\r |
| 192 | VOID *HobList;\r |
| 193 | \r |
| 194 | HobList = GetHobList ();\r |
| 195 | return GetNextGuidHob (Guid, HobList);\r |
| 196 | }\r |
| 197 | \r |
| 198 | /**\r |
| 199 | Get the system boot mode from the HOB list.\r |
| 200 | \r |
| 201 | This function returns the system boot mode information from the \r |
| 202 | PHIT HOB in HOB list.\r |
| 203 | \r |
| 204 | If the pointer to the HOB list is NULL, then ASSERT().\r |
| 205 | \r |
| 206 | @param VOID\r |
| 207 | \r |
| 208 | @return The Boot Mode.\r |
| 209 | \r |
| 210 | **/\r |
| 211 | EFI_BOOT_MODE\r |
| 212 | EFIAPI\r |
| 213 | GetBootModeHob (\r |
| 214 | VOID\r |
| 215 | )\r |
| 216 | {\r |
| 217 | EFI_STATUS Status;\r |
| 218 | EFI_BOOT_MODE BootMode;\r |
| 219 | \r |
| 220 | Status = PeiServicesGetBootMode (&BootMode);\r |
| 221 | ASSERT_EFI_ERROR (Status);\r |
| 222 | \r |
| 223 | return BootMode;\r |
| 224 | }\r |
| 225 | \r |
| 226 | /**\r |
| 227 | Adds a new HOB to the HOB List.\r |
| 228 | \r |
| 229 | This internal function enables PEIMs to create various types of HOBs.\r |
| 230 | \r |
| 231 | @param Type Type of the new HOB.\r |
| 232 | @param Length Length of the new HOB to allocate.\r |
| 233 | \r |
| 234 | @return The address of new HOB.\r |
| 235 | \r |
| 236 | **/\r |
| 237 | VOID *\r |
| 238 | EFIAPI\r |
| 239 | InternalPeiCreateHob (\r |
| 240 | IN UINT16 Type,\r |
| 241 | IN UINT16 Length\r |
| 242 | )\r |
| 243 | {\r |
| 244 | EFI_STATUS Status;\r |
| 245 | VOID *Hob;\r |
| 246 | \r |
| 247 | Status = PeiServicesCreateHob (Type, Length, &Hob);\r |
| 248 | //\r |
| 249 | // Assume the process of HOB building is always successful.\r |
| 250 | //\r |
| 251 | ASSERT_EFI_ERROR (Status);\r |
| 252 | return Hob;\r |
| 253 | }\r |
| 254 | \r |
| 255 | /**\r |
| 256 | Builds a HOB for a loaded PE32 module.\r |
| 257 | \r |
| 258 | This function builds a HOB for a loaded PE32 module.\r |
| 259 | It can only be invoked during PEI phase;\r |
| 260 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 261 | \r |
| 262 | If ModuleName is NULL, then ASSERT().\r |
| 263 | If there is no additional space for HOB creation, then ASSERT().\r |
| 264 | \r |
| 265 | @param ModuleName The GUID File Name of the module.\r |
| 266 | @param MemoryAllocationModule The 64 bit physical address of the module.\r |
| 267 | @param ModuleLength The length of the module in bytes.\r |
| 268 | @param EntryPoint The 64 bit physical address of the module entry point.\r |
| 269 | \r |
| 270 | **/\r |
| 271 | VOID\r |
| 272 | EFIAPI\r |
| 273 | BuildModuleHob (\r |
| 274 | IN CONST EFI_GUID *ModuleName,\r |
| 275 | IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,\r |
| 276 | IN UINT64 ModuleLength,\r |
| 277 | IN EFI_PHYSICAL_ADDRESS EntryPoint\r |
| 278 | )\r |
| 279 | {\r |
| 280 | EFI_HOB_MEMORY_ALLOCATION_MODULE *Hob;\r |
| 281 | \r |
| 282 | ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) &&\r |
| 283 | ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));\r |
| 284 | \r |
| 285 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));\r |
| 286 | \r |
| 287 | CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);\r |
| 288 | Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;\r |
| 289 | Hob->MemoryAllocationHeader.MemoryLength = ModuleLength;\r |
| 290 | Hob->MemoryAllocationHeader.MemoryType = EfiBootServicesCode;\r |
| 291 | \r |
| 292 | //\r |
| 293 | // Zero the reserved space to match HOB spec\r |
| 294 | //\r |
| 295 | ZeroMem (Hob->MemoryAllocationHeader.Reserved, sizeof (Hob->MemoryAllocationHeader.Reserved));\r |
| 296 | \r |
| 297 | CopyGuid (&Hob->ModuleName, ModuleName);\r |
| 298 | Hob->EntryPoint = EntryPoint;\r |
| 299 | }\r |
| 300 | \r |
| 301 | /**\r |
| 302 | Builds a HOB that describes a chunk of system memory.\r |
| 303 | \r |
| 304 | This function builds a HOB that describes a chunk of system memory.\r |
| 305 | It can only be invoked during PEI phase;\r |
| 306 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 307 | \r |
| 308 | If there is no additional space for HOB creation, then ASSERT().\r |
| 309 | \r |
| 310 | @param ResourceType The type of resource described by this HOB.\r |
| 311 | @param ResourceAttribute The resource attributes of the memory described by this HOB.\r |
| 312 | @param PhysicalStart The 64 bit physical address of memory described by this HOB.\r |
| 313 | @param NumberOfBytes The length of the memory described by this HOB in bytes.\r |
| 314 | \r |
| 315 | **/\r |
| 316 | VOID\r |
| 317 | EFIAPI\r |
| 318 | BuildResourceDescriptorHob (\r |
| 319 | IN EFI_RESOURCE_TYPE ResourceType,\r |
| 320 | IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r |
| 321 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r |
| 322 | IN UINT64 NumberOfBytes\r |
| 323 | )\r |
| 324 | {\r |
| 325 | EFI_HOB_RESOURCE_DESCRIPTOR *Hob;\r |
| 326 | \r |
| 327 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r |
| 328 | \r |
| 329 | Hob->ResourceType = ResourceType;\r |
| 330 | Hob->ResourceAttribute = ResourceAttribute;\r |
| 331 | Hob->PhysicalStart = PhysicalStart;\r |
| 332 | Hob->ResourceLength = NumberOfBytes;\r |
| 333 | }\r |
| 334 | \r |
| 335 | /**\r |
| 336 | Builds a customized HOB tagged with a GUID for identification and returns \r |
| 337 | the start address of GUID HOB data.\r |
| 338 | \r |
| 339 | This function builds a customized HOB tagged with a GUID for identification \r |
| 340 | and returns the start address of GUID HOB data so that caller can fill the customized data. \r |
| 341 | The HOB Header and Name field is already stripped.\r |
| 342 | It can only be invoked during PEI phase;\r |
| 343 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 344 | \r |
| 345 | If Guid is NULL, then ASSERT().\r |
| 346 | If there is no additional space for HOB creation, then ASSERT().\r |
| 347 | If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r |
| 348 | \r |
| 349 | @param Guid The GUID to tag the customized HOB.\r |
| 350 | @param DataLength The size of the data payload for the GUID HOB.\r |
| 351 | \r |
| 352 | @return The start address of GUID HOB data.\r |
| 353 | \r |
| 354 | **/\r |
| 355 | VOID *\r |
| 356 | EFIAPI\r |
| 357 | BuildGuidHob (\r |
| 358 | IN CONST EFI_GUID *Guid,\r |
| 359 | IN UINTN DataLength\r |
| 360 | )\r |
| 361 | {\r |
| 362 | EFI_HOB_GUID_TYPE *Hob;\r |
| 363 | \r |
| 364 | //\r |
| 365 | // Make sure that data length is not too long.\r |
| 366 | //\r |
| 367 | ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));\r |
| 368 | \r |
| 369 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));\r |
| 370 | CopyGuid (&Hob->Name, Guid);\r |
| 371 | return Hob + 1;\r |
| 372 | }\r |
| 373 | \r |
| 374 | /**\r |
| 375 | Builds a customized HOB tagged with a GUID for identification, copies the input data to the HOB \r |
| 376 | data field, and returns the start address of the GUID HOB data.\r |
| 377 | \r |
| 378 | This function builds a customized HOB tagged with a GUID for identification and copies the input\r |
| 379 | data to the HOB data field and returns the start address of the GUID HOB data. It can only be \r |
| 380 | invoked during PEI phase; for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. \r |
| 381 | The HOB Header and Name field is already stripped.\r |
| 382 | It can only be invoked during PEI phase;\r |
| 383 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 384 | \r |
| 385 | If Guid is NULL, then ASSERT().\r |
| 386 | If Data is NULL and DataLength > 0, then ASSERT().\r |
| 387 | If there is no additional space for HOB creation, then ASSERT().\r |
| 388 | If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r |
| 389 | \r |
| 390 | @param Guid The GUID to tag the customized HOB.\r |
| 391 | @param Data The data to be copied into the data field of the GUID HOB.\r |
| 392 | @param DataLength The size of the data payload for the GUID HOB.\r |
| 393 | \r |
| 394 | @return The start address of GUID HOB data.\r |
| 395 | \r |
| 396 | **/\r |
| 397 | VOID *\r |
| 398 | EFIAPI\r |
| 399 | BuildGuidDataHob (\r |
| 400 | IN CONST EFI_GUID *Guid,\r |
| 401 | IN VOID *Data,\r |
| 402 | IN UINTN DataLength\r |
| 403 | )\r |
| 404 | {\r |
| 405 | VOID *HobData;\r |
| 406 | \r |
| 407 | ASSERT (Data != NULL || DataLength == 0);\r |
| 408 | \r |
| 409 | HobData = BuildGuidHob (Guid, DataLength);\r |
| 410 | \r |
| 411 | return CopyMem (HobData, Data, DataLength);\r |
| 412 | }\r |
| 413 | \r |
| 414 | /**\r |
| 415 | Builds a Firmware Volume HOB.\r |
| 416 | \r |
| 417 | This function builds a Firmware Volume HOB.\r |
| 418 | It can only be invoked during PEI phase;\r |
| 419 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 420 | \r |
| 421 | If there is no additional space for HOB creation, then ASSERT().\r |
| 422 | \r |
| 423 | @param BaseAddress The base address of the Firmware Volume.\r |
| 424 | @param Length The size of the Firmware Volume in bytes.\r |
| 425 | \r |
| 426 | **/\r |
| 427 | VOID\r |
| 428 | EFIAPI\r |
| 429 | BuildFvHob (\r |
| 430 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 431 | IN UINT64 Length\r |
| 432 | )\r |
| 433 | {\r |
| 434 | EFI_HOB_FIRMWARE_VOLUME *Hob;\r |
| 435 | \r |
| 436 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME));\r |
| 437 | \r |
| 438 | Hob->BaseAddress = BaseAddress;\r |
| 439 | Hob->Length = Length;\r |
| 440 | }\r |
| 441 | \r |
| 442 | /**\r |
| 443 | Builds a EFI_HOB_TYPE_FV2 HOB.\r |
| 444 | \r |
| 445 | This function builds a EFI_HOB_TYPE_FV2 HOB.\r |
| 446 | It can only be invoked during PEI phase;\r |
| 447 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 448 | \r |
| 449 | If there is no additional space for HOB creation, then ASSERT().\r |
| 450 | \r |
| 451 | @param BaseAddress The base address of the Firmware Volume.\r |
| 452 | @param Length The size of the Firmware Volume in bytes.\r |
| 453 | @param FvName The name of the Firmware Volume.\r |
| 454 | @param FileName The name of the file.\r |
| 455 | \r |
| 456 | **/\r |
| 457 | VOID\r |
| 458 | EFIAPI\r |
| 459 | BuildFv2Hob (\r |
| 460 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 461 | IN UINT64 Length,\r |
| 462 | IN CONST EFI_GUID *FvName,\r |
| 463 | IN CONST EFI_GUID *FileName\r |
| 464 | )\r |
| 465 | {\r |
| 466 | EFI_HOB_FIRMWARE_VOLUME2 *Hob;\r |
| 467 | \r |
| 468 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2));\r |
| 469 | \r |
| 470 | Hob->BaseAddress = BaseAddress;\r |
| 471 | Hob->Length = Length;\r |
| 472 | CopyGuid (&Hob->FvName, FvName);\r |
| 473 | CopyGuid (&Hob->FileName, FileName);\r |
| 474 | }\r |
| 475 | \r |
| 476 | /**\r |
| 477 | Builds a Capsule Volume HOB.\r |
| 478 | \r |
| 479 | This function builds a Capsule Volume HOB.\r |
| 480 | It can only be invoked during PEI phase;\r |
| 481 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 482 | \r |
| 483 | If there is no additional space for HOB creation, then ASSERT().\r |
| 484 | \r |
| 485 | @param BaseAddress The base address of the Capsule Volume.\r |
| 486 | @param Length The size of the Capsule Volume in bytes.\r |
| 487 | \r |
| 488 | **/\r |
| 489 | VOID\r |
| 490 | EFIAPI\r |
| 491 | BuildCvHob (\r |
| 492 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 493 | IN UINT64 Length\r |
| 494 | )\r |
| 495 | {\r |
| 496 | EFI_HOB_CAPSULE_VOLUME *Hob;\r |
| 497 | \r |
| 498 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_CV, sizeof (EFI_HOB_CAPSULE_VOLUME));\r |
| 499 | \r |
| 500 | Hob->BaseAddress = BaseAddress;\r |
| 501 | Hob->Length = Length;\r |
| 502 | }\r |
| 503 | \r |
| 504 | /**\r |
| 505 | Builds a HOB for the CPU.\r |
| 506 | \r |
| 507 | This function builds a HOB for the CPU.\r |
| 508 | It can only be invoked during PEI phase;\r |
| 509 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 510 | \r |
| 511 | If there is no additional space for HOB creation, then ASSERT().\r |
| 512 | \r |
| 513 | @param SizeOfMemorySpace The maximum physical memory addressability of the processor.\r |
| 514 | @param SizeOfIoSpace The maximum physical I/O addressability of the processor.\r |
| 515 | \r |
| 516 | **/\r |
| 517 | VOID\r |
| 518 | EFIAPI\r |
| 519 | BuildCpuHob (\r |
| 520 | IN UINT8 SizeOfMemorySpace,\r |
| 521 | IN UINT8 SizeOfIoSpace\r |
| 522 | )\r |
| 523 | {\r |
| 524 | EFI_HOB_CPU *Hob;\r |
| 525 | \r |
| 526 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU));\r |
| 527 | \r |
| 528 | Hob->SizeOfMemorySpace = SizeOfMemorySpace;\r |
| 529 | Hob->SizeOfIoSpace = SizeOfIoSpace;\r |
| 530 | \r |
| 531 | //\r |
| 532 | // Zero the reserved space to match HOB spec\r |
| 533 | //\r |
| 534 | ZeroMem (Hob->Reserved, sizeof (Hob->Reserved)); \r |
| 535 | }\r |
| 536 | \r |
| 537 | /**\r |
| 538 | Builds a HOB for the Stack.\r |
| 539 | \r |
| 540 | This function builds a HOB for the stack.\r |
| 541 | It can only be invoked during PEI phase;\r |
| 542 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 543 | \r |
| 544 | If there is no additional space for HOB creation, then ASSERT().\r |
| 545 | \r |
| 546 | @param BaseAddress The 64 bit physical address of the Stack.\r |
| 547 | @param Length The length of the stack in bytes.\r |
| 548 | \r |
| 549 | **/\r |
| 550 | VOID\r |
| 551 | EFIAPI\r |
| 552 | BuildStackHob (\r |
| 553 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 554 | IN UINT64 Length\r |
| 555 | )\r |
| 556 | {\r |
| 557 | EFI_HOB_MEMORY_ALLOCATION_STACK *Hob;\r |
| 558 | \r |
| 559 | ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r |
| 560 | ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r |
| 561 | \r |
| 562 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK));\r |
| 563 | \r |
| 564 | CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocStackGuid);\r |
| 565 | Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r |
| 566 | Hob->AllocDescriptor.MemoryLength = Length;\r |
| 567 | Hob->AllocDescriptor.MemoryType = EfiBootServicesData;\r |
| 568 | \r |
| 569 | //\r |
| 570 | // Zero the reserved space to match HOB spec\r |
| 571 | //\r |
| 572 | ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r |
| 573 | }\r |
| 574 | \r |
| 575 | /**\r |
| 576 | Builds a HOB for the BSP store.\r |
| 577 | \r |
| 578 | This function builds a HOB for BSP store.\r |
| 579 | It can only be invoked during PEI phase;\r |
| 580 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 581 | \r |
| 582 | If there is no additional space for HOB creation, then ASSERT().\r |
| 583 | \r |
| 584 | @param BaseAddress The 64 bit physical address of the BSP.\r |
| 585 | @param Length The length of the BSP store in bytes.\r |
| 586 | @param MemoryType Type of memory allocated by this HOB.\r |
| 587 | \r |
| 588 | **/\r |
| 589 | VOID\r |
| 590 | EFIAPI\r |
| 591 | BuildBspStoreHob (\r |
| 592 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 593 | IN UINT64 Length,\r |
| 594 | IN EFI_MEMORY_TYPE MemoryType\r |
| 595 | )\r |
| 596 | {\r |
| 597 | EFI_HOB_MEMORY_ALLOCATION_BSP_STORE *Hob;\r |
| 598 | \r |
| 599 | ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r |
| 600 | ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r |
| 601 | \r |
| 602 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE));\r |
| 603 | \r |
| 604 | CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocBspStoreGuid);\r |
| 605 | Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r |
| 606 | Hob->AllocDescriptor.MemoryLength = Length;\r |
| 607 | Hob->AllocDescriptor.MemoryType = MemoryType;\r |
| 608 | \r |
| 609 | //\r |
| 610 | // Zero the reserved space to match HOB spec\r |
| 611 | //\r |
| 612 | ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r |
| 613 | }\r |
| 614 | \r |
| 615 | /**\r |
| 616 | Builds a HOB for the memory allocation.\r |
| 617 | \r |
| 618 | This function builds a HOB for the memory allocation.\r |
| 619 | It can only be invoked during PEI phase;\r |
| 620 | for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.\r |
| 621 | \r |
| 622 | If there is no additional space for HOB creation, then ASSERT().\r |
| 623 | \r |
| 624 | @param BaseAddress The 64 bit physical address of the memory.\r |
| 625 | @param Length The length of the memory allocation in bytes.\r |
| 626 | @param MemoryType Type of memory allocated by this HOB.\r |
| 627 | \r |
| 628 | **/\r |
| 629 | VOID\r |
| 630 | EFIAPI\r |
| 631 | BuildMemoryAllocationHob (\r |
| 632 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
| 633 | IN UINT64 Length,\r |
| 634 | IN EFI_MEMORY_TYPE MemoryType\r |
| 635 | )\r |
| 636 | {\r |
| 637 | EFI_HOB_MEMORY_ALLOCATION *Hob;\r |
| 638 | \r |
| 639 | ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r |
| 640 | ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r |
| 641 | \r |
| 642 | Hob = InternalPeiCreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION));\r |
| 643 | \r |
| 644 | ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));\r |
| 645 | Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r |
| 646 | Hob->AllocDescriptor.MemoryLength = Length;\r |
| 647 | Hob->AllocDescriptor.MemoryType = MemoryType;\r |
| 648 | //\r |
| 649 | // Zero the reserved space to match HOB spec\r |
| 650 | //\r |
| 651 | ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r |
| 652 | }\r |
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