+++ /dev/null
-/** @file\r
- HOB Library implementation for Standalone MM Core.\r
-\r
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
-Copyright (c) 2017 - 2018, ARM Limited. All rights reserved.<BR>\r
-\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include <PiMm.h>\r
-\r
-#include <Library/HobLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
-\r
-#include <Guid/MemoryAllocationHob.h>\r
-\r
-//\r
-// Cache copy of HobList pointer.\r
-//\r
-VOID *gHobList = NULL;\r
-\r
-VOID *\r
-CreateHob (\r
- IN UINT16 HobType,\r
- IN UINT16 HobLength\r
- )\r
-{\r
- EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;\r
- EFI_HOB_GENERIC_HEADER *HobEnd;\r
- EFI_PHYSICAL_ADDRESS FreeMemory;\r
- VOID *Hob;\r
-\r
- HandOffHob = GetHobList ();\r
-\r
- HobLength = (UINT16)((HobLength + 0x7) & (~0x7));\r
-\r
- FreeMemory = HandOffHob->EfiFreeMemoryTop - HandOffHob->EfiFreeMemoryBottom;\r
-\r
- if (FreeMemory < HobLength) {\r
- return NULL;\r
- }\r
-\r
- Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList;\r
- ((EFI_HOB_GENERIC_HEADER*) Hob)->HobType = HobType;\r
- ((EFI_HOB_GENERIC_HEADER*) Hob)->HobLength = HobLength;\r
- ((EFI_HOB_GENERIC_HEADER*) Hob)->Reserved = 0;\r
-\r
- HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN)Hob + HobLength);\r
- HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r
-\r
- HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r
- HobEnd->HobLength = sizeof (EFI_HOB_GENERIC_HEADER);\r
- HobEnd->Reserved = 0;\r
- HobEnd++;\r
- HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r
-\r
- return Hob;\r
-}\r
-\r
-/**\r
- Builds a HOB for a loaded PE32 module.\r
-\r
- This function builds a HOB for a loaded PE32 module.\r
- If ModuleName is NULL, then ASSERT().\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param ModuleName The GUID File Name of the module.\r
- @param MemoryAllocationModule The 64 bit physical address of the module.\r
- @param ModuleLength The length of the module in bytes.\r
- @param EntryPoint The 64 bit physical address of the module entry point.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildModuleHob (\r
- IN CONST EFI_GUID *ModuleName,\r
- IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,\r
- IN UINT64 ModuleLength,\r
- IN EFI_PHYSICAL_ADDRESS EntryPoint\r
- )\r
-{\r
- EFI_HOB_MEMORY_ALLOCATION_MODULE *Hob;\r
-\r
- ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) &&\r
- ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0));\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE));\r
-\r
- CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid);\r
- Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;\r
- Hob->MemoryAllocationHeader.MemoryLength = ModuleLength;\r
- Hob->MemoryAllocationHeader.MemoryType = EfiBootServicesCode;\r
-\r
- //\r
- // Zero the reserved space to match HOB spec\r
- //\r
- ZeroMem (Hob->MemoryAllocationHeader.Reserved, sizeof (Hob->MemoryAllocationHeader.Reserved));\r
-\r
- CopyGuid (&Hob->ModuleName, ModuleName);\r
- Hob->EntryPoint = EntryPoint;\r
-}\r
-\r
-/**\r
- Builds a HOB that describes a chunk of system memory.\r
-\r
- This function builds a HOB that describes a chunk of system memory.\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param ResourceType The type of resource described by this HOB.\r
- @param ResourceAttribute The resource attributes of the memory described by this HOB.\r
- @param PhysicalStart The 64 bit physical address of memory described by this HOB.\r
- @param NumberOfBytes The length of the memory described by this HOB in bytes.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildResourceDescriptorHob (\r
- IN EFI_RESOURCE_TYPE ResourceType,\r
- IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r
- IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r
- IN UINT64 NumberOfBytes\r
- )\r
-{\r
- EFI_HOB_RESOURCE_DESCRIPTOR *Hob;\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));\r
- ASSERT (Hob != NULL);\r
-\r
- Hob->ResourceType = ResourceType;\r
- Hob->ResourceAttribute = ResourceAttribute;\r
- Hob->PhysicalStart = PhysicalStart;\r
- Hob->ResourceLength = NumberOfBytes;\r
-}\r
-\r
-/**\r
- Builds a GUID HOB with a certain data length.\r
-\r
- This function builds a customized HOB tagged with a GUID for identification\r
- and returns the start address of GUID HOB data so that caller can fill the customized data.\r
- The HOB Header and Name field is already stripped.\r
- If Guid is NULL, then ASSERT().\r
- If there is no additional space for HOB creation, then ASSERT().\r
- If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
-\r
- @param Guid The GUID to tag the customized HOB.\r
- @param DataLength The size of the data payload for the GUID HOB.\r
-\r
- @return The start address of GUID HOB data.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-BuildGuidHob (\r
- IN CONST EFI_GUID *Guid,\r
- IN UINTN DataLength\r
- )\r
-{\r
- EFI_HOB_GUID_TYPE *Hob;\r
-\r
- //\r
- // Make sure that data length is not too long.\r
- //\r
- ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));\r
- CopyGuid (&Hob->Name, Guid);\r
- return Hob + 1;\r
-}\r
-\r
-\r
-/**\r
- Copies a data buffer to a newly-built HOB.\r
-\r
- This function builds a customized HOB tagged with a GUID for identification,\r
- copies the input data to the HOB data field and returns the start address of the GUID HOB data.\r
- The HOB Header and Name field is already stripped.\r
- If Guid is NULL, then ASSERT().\r
- If Data is NULL and DataLength > 0, then ASSERT().\r
- If there is no additional space for HOB creation, then ASSERT().\r
- If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().\r
-\r
- @param Guid The GUID to tag the customized HOB.\r
- @param Data The data to be copied into the data field of the GUID HOB.\r
- @param DataLength The size of the data payload for the GUID HOB.\r
-\r
- @return The start address of GUID HOB data.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-BuildGuidDataHob (\r
- IN CONST EFI_GUID *Guid,\r
- IN VOID *Data,\r
- IN UINTN DataLength\r
- )\r
-{\r
- VOID *HobData;\r
-\r
- ASSERT (Data != NULL || DataLength == 0);\r
-\r
- HobData = BuildGuidHob (Guid, DataLength);\r
-\r
- return CopyMem (HobData, Data, DataLength);\r
-}\r
-\r
-/**\r
- Builds a Firmware Volume HOB.\r
-\r
- This function builds a Firmware Volume HOB.\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param BaseAddress The base address of the Firmware Volume.\r
- @param Length The size of the Firmware Volume in bytes.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildFvHob (\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length\r
- )\r
-{\r
- EFI_HOB_FIRMWARE_VOLUME *Hob;\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME));\r
-\r
- Hob->BaseAddress = BaseAddress;\r
- Hob->Length = Length;\r
-}\r
-\r
-\r
-/**\r
- Builds a EFI_HOB_TYPE_FV2 HOB.\r
-\r
- This function builds a EFI_HOB_TYPE_FV2 HOB.\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param BaseAddress The base address of the Firmware Volume.\r
- @param Length The size of the Firmware Volume in bytes.\r
- @param FvName The name of the Firmware Volume.\r
- @param FileName The name of the file.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildFv2Hob (\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- IN CONST EFI_GUID *FvName,\r
- IN CONST EFI_GUID *FileName\r
- )\r
-{\r
- EFI_HOB_FIRMWARE_VOLUME2 *Hob;\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2));\r
-\r
- Hob->BaseAddress = BaseAddress;\r
- Hob->Length = Length;\r
- CopyGuid (&Hob->FvName, FvName);\r
- CopyGuid (&Hob->FileName, FileName);\r
-}\r
-\r
-\r
-/**\r
- Builds a HOB for the CPU.\r
-\r
- This function builds a HOB for the CPU.\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param SizeOfMemorySpace The maximum physical memory addressability of the processor.\r
- @param SizeOfIoSpace The maximum physical I/O addressability of the processor.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildCpuHob (\r
- IN UINT8 SizeOfMemorySpace,\r
- IN UINT8 SizeOfIoSpace\r
- )\r
-{\r
- EFI_HOB_CPU *Hob;\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU));\r
-\r
- Hob->SizeOfMemorySpace = SizeOfMemorySpace;\r
- Hob->SizeOfIoSpace = SizeOfIoSpace;\r
-\r
- //\r
- // Zero the reserved space to match HOB spec\r
- //\r
- ZeroMem (Hob->Reserved, sizeof (Hob->Reserved));\r
-}\r
-\r
-/**\r
- Builds a HOB for the memory allocation.\r
-\r
- This function builds a HOB for the memory allocation.\r
- If there is no additional space for HOB creation, then ASSERT().\r
-\r
- @param BaseAddress The 64 bit physical address of the memory.\r
- @param Length The length of the memory allocation in bytes.\r
- @param MemoryType Type of memory allocated by this HOB.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-BuildMemoryAllocationHob (\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- IN EFI_MEMORY_TYPE MemoryType\r
- )\r
-{\r
- EFI_HOB_MEMORY_ALLOCATION *Hob;\r
-\r
- ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) &&\r
- ((Length & (EFI_PAGE_SIZE - 1)) == 0));\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION));\r
-\r
- ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID));\r
- Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r
- Hob->AllocDescriptor.MemoryLength = Length;\r
- Hob->AllocDescriptor.MemoryType = MemoryType;\r
- //\r
- // Zero the reserved space to match HOB spec\r
- //\r
- ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved));\r
-}\r
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