diff options
Diffstat (limited to 'EmbeddedPkg/Library/PrePiLib')
-rw-r--r-- | EmbeddedPkg/Library/PrePiLib/Hob.c | 852 | ||||
-rw-r--r-- | EmbeddedPkg/Library/PrePiLib/PrePiLib.inf | 3 |
2 files changed, 1 insertions, 854 deletions
diff --git a/EmbeddedPkg/Library/PrePiLib/Hob.c b/EmbeddedPkg/Library/PrePiLib/Hob.c deleted file mode 100644 index 8db29425be..0000000000 --- a/EmbeddedPkg/Library/PrePiLib/Hob.c +++ /dev/null @@ -1,852 +0,0 @@ -/** @file - - Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> - - This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include <PrePi.h> -#include <Protocol/PeCoffLoader.h> -#include <Guid/ExtractSection.h> -#include <Guid/MemoryTypeInformation.h> -#include <Library/PeCoffLib.h> - -// -// Have to use build system to set the original value in case we are running -// from FLASH and globals don't work. So if you do a GetHobList() and gHobList -// and gHobList is NULL the PCD default values are used. -// -VOID *gHobList = NULL; - - - - -// May want to put this into a library so you only need the PCD setings if you are using the feature? -VOID -BuildMemoryTypeInformationHob ( - VOID - ) -{ - EFI_MEMORY_TYPE_INFORMATION Info[10]; - - Info[0].Type = EfiACPIReclaimMemory; - Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory); - Info[1].Type = EfiACPIMemoryNVS; - Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS); - Info[2].Type = EfiReservedMemoryType; - Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType); - Info[3].Type = EfiRuntimeServicesData; - Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData); - Info[4].Type = EfiRuntimeServicesCode; - Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode); - Info[5].Type = EfiBootServicesCode; - Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode); - Info[6].Type = EfiBootServicesData; - Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData); - Info[7].Type = EfiLoaderCode; - Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode); - Info[8].Type = EfiLoaderData; - Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData); - - // Terminator for the list - Info[9].Type = EfiMaxMemoryType; - Info[9].NumberOfPages = 0; - - - BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info)); -} - -/** - - -**/ -VOID -CreateHobList ( - IN VOID *MemoryBegin, - IN UINTN MemoryLength, - IN VOID *HobBase, - IN VOID *StackBase - ) -{ - EFI_HOB_HANDOFF_INFO_TABLE *Hob; - EFI_HOB_GENERIC_HEADER *HobEnd; - EFI_RESOURCE_ATTRIBUTE_TYPE Attributes; - - - Hob = HobBase; - HobEnd = (EFI_HOB_GENERIC_HEADER *)(Hob+1); - - Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF; - Hob->Header.HobLength = sizeof(EFI_HOB_HANDOFF_INFO_TABLE); - Hob->Header.Reserved = 0; - - HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST; - HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER); - HobEnd->Reserved = 0; - - Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION; - Hob->BootMode = BOOT_WITH_FULL_CONFIGURATION; - - Hob->EfiMemoryTop = (UINTN)MemoryBegin + MemoryLength; - Hob->EfiMemoryBottom = (UINTN)MemoryBegin; - Hob->EfiFreeMemoryTop = (UINTN)StackBase; - Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)(HobEnd+1); - Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd; - - SetHobList (Hob); - - BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize)); - - Attributes =( - EFI_RESOURCE_ATTRIBUTE_PRESENT | - EFI_RESOURCE_ATTRIBUTE_INITIALIZED | - EFI_RESOURCE_ATTRIBUTE_TESTED | - EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | - EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE - ); - - BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY, Attributes, (UINTN)MemoryBegin, MemoryLength); - - - BuildStackHob ((UINTN)StackBase, Hob->EfiMemoryTop - (UINTN)StackBase); - - if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) { - // Optional feature that helps prevent EFI memory map fragmentation. - BuildMemoryTypeInformationHob (); - } - -} - - -VOID -EFIAPI -BuildFvHobs ( - IN EFI_PHYSICAL_ADDRESS PhysicalStart, - IN UINT64 NumberOfBytes, - IN EFI_RESOURCE_ATTRIBUTE_TYPE *ResourceAttribute - ) -{ - - EFI_RESOURCE_ATTRIBUTE_TYPE Resource; - - BuildFvHob (PhysicalStart, NumberOfBytes); - - if (ResourceAttribute == NULL) { - Resource = (EFI_RESOURCE_ATTRIBUTE_PRESENT | - EFI_RESOURCE_ATTRIBUTE_INITIALIZED | - EFI_RESOURCE_ATTRIBUTE_TESTED | - EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE); - } else { - Resource = *ResourceAttribute; - } - - BuildResourceDescriptorHob (EFI_RESOURCE_FIRMWARE_DEVICE, Resource, PhysicalStart, NumberOfBytes); -} - - - - - -/** - Returns the pointer to the HOB list. - - This function returns the pointer to first HOB in the list. - - @return The pointer to the HOB list. - -**/ -VOID * -EFIAPI -GetHobList ( - VOID - ) -{ - if (gHobList == NULL) { - return (VOID *)(UINTN)PcdGet32 (PcdPrePiHobBase); - } else { - return gHobList; - } -} - - - -/** - Updates the pointer to the HOB list. - - @param HobList Hob list pointer to store - -**/ -EFI_STATUS -EFIAPI -SetHobList ( - IN VOID *HobList - ) -{ - gHobList = HobList; - - // - // If this code is running from ROM this could fail - // - return (gHobList == HobList) ? EFI_SUCCESS: EFI_UNSUPPORTED; -} - - - -VOID * -CreateHob ( - IN UINT16 HobType, - IN UINT16 HobLength - ) -{ - EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob; - EFI_HOB_GENERIC_HEADER *HobEnd; - EFI_PHYSICAL_ADDRESS FreeMemory; - VOID *Hob; - - HandOffHob = GetHobList (); - - HobLength = (UINT16)((HobLength + 0x7) & (~0x7)); - - FreeMemory = HandOffHob->EfiFreeMemoryTop - HandOffHob->EfiFreeMemoryBottom; - - if (FreeMemory < HobLength) { - return NULL; - } - - Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList; - ((EFI_HOB_GENERIC_HEADER*) Hob)->HobType = HobType; - ((EFI_HOB_GENERIC_HEADER*) Hob)->HobLength = HobLength; - ((EFI_HOB_GENERIC_HEADER*) Hob)->Reserved = 0; - - HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN)Hob + HobLength); - HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd; - - HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST; - HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER); - HobEnd->Reserved = 0; - HobEnd++; - HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd; - - return Hob; -} - - -/** - Returns the next instance of a HOB type from the starting HOB. - - This function searches the first instance of a HOB type from the starting HOB pointer. - If there does not exist such HOB type from the starting HOB pointer, it will return NULL. - In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer - unconditionally: it returns HobStart back if HobStart itself meets the requirement; - caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart. - If HobStart is NULL, then ASSERT(). - - @param Type The HOB type to return. - @param HobStart The starting HOB pointer to search from. - - @return The next instance of a HOB type from the starting HOB. - -**/ -VOID * -EFIAPI -GetNextHob ( - IN UINT16 Type, - IN CONST VOID *HobStart - ) -{ - EFI_PEI_HOB_POINTERS Hob; - - ASSERT (HobStart != NULL); - - Hob.Raw = (UINT8 *) HobStart; - // - // Parse the HOB list until end of list or matching type is found. - // - while (!END_OF_HOB_LIST (Hob)) { - if (Hob.Header->HobType == Type) { - return Hob.Raw; - } - Hob.Raw = GET_NEXT_HOB (Hob); - } - return NULL; -} - - - -/** - Returns the first instance of a HOB type among the whole HOB list. - - This function searches the first instance of a HOB type among the whole HOB list. - If there does not exist such HOB type in the HOB list, it will return NULL. - - @param Type The HOB type to return. - - @return The next instance of a HOB type from the starting HOB. - -**/ -VOID * -EFIAPI -GetFirstHob ( - IN UINT16 Type - ) -{ - VOID *HobList; - - HobList = GetHobList (); - return GetNextHob (Type, HobList); -} - - -/** - This function searches the first instance of a HOB from the starting HOB pointer. - Such HOB should satisfy two conditions: - its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid. - If there does not exist such HOB from the starting HOB pointer, it will return NULL. - Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE () - to extract the data section and its size info respectively. - In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer - unconditionally: it returns HobStart back if HobStart itself meets the requirement; - caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart. - If Guid is NULL, then ASSERT(). - If HobStart is NULL, then ASSERT(). - - @param Guid The GUID to match with in the HOB list. - @param HobStart A pointer to a Guid. - - @return The next instance of the matched GUID HOB from the starting HOB. - -**/ -VOID * -EFIAPI -GetNextGuidHob ( - IN CONST EFI_GUID *Guid, - IN CONST VOID *HobStart - ){ - EFI_PEI_HOB_POINTERS GuidHob; - - GuidHob.Raw = (UINT8 *) HobStart; - while ((GuidHob.Raw = GetNextHob (EFI_HOB_TYPE_GUID_EXTENSION, GuidHob.Raw)) != NULL) { - if (CompareGuid (Guid, &GuidHob.Guid->Name)) { - break; - } - GuidHob.Raw = GET_NEXT_HOB (GuidHob); - } - return GuidHob.Raw; -} - - -/** - This function searches the first instance of a HOB among the whole HOB list. - Such HOB should satisfy two conditions: - its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid. - If there does not exist such HOB from the starting HOB pointer, it will return NULL. - Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE () - to extract the data section and its size info respectively. - If Guid is NULL, then ASSERT(). - - @param Guid The GUID to match with in the HOB list. - - @return The first instance of the matched GUID HOB among the whole HOB list. - -**/ -VOID * -EFIAPI -GetFirstGuidHob ( - IN CONST EFI_GUID *Guid - ) -{ - VOID *HobList; - - HobList = GetHobList (); - return GetNextGuidHob (Guid, HobList); -} - - -/** - Get the Boot Mode from the HOB list. - - This function returns the system boot mode information from the - PHIT HOB in HOB list. - - @param VOID - - @return The Boot Mode. - -**/ -EFI_BOOT_MODE -EFIAPI -GetBootMode ( - VOID - ) -{ - EFI_PEI_HOB_POINTERS Hob; - - Hob.Raw = GetHobList (); - return Hob.HandoffInformationTable->BootMode; -} - - -/** - Get the Boot Mode from the HOB list. - - This function returns the system boot mode information from the - PHIT HOB in HOB list. - - @param VOID - - @return The Boot Mode. - -**/ -EFI_STATUS -EFIAPI -SetBootMode ( - IN EFI_BOOT_MODE BootMode - ) -{ - EFI_PEI_HOB_POINTERS Hob; - - Hob.Raw = GetHobList (); - Hob.HandoffInformationTable->BootMode = BootMode; - return BootMode; -} - -/** - Builds a HOB for a loaded PE32 module. - - This function builds a HOB for a loaded PE32 module. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If ModuleName is NULL, then ASSERT(). - If there is no additional space for HOB creation, then ASSERT(). - - @param ModuleName The GUID File Name of the module. - @param MemoryAllocationModule The 64 bit physical address of the module. - @param ModuleLength The length of the module in bytes. - @param EntryPoint The 64 bit physical address of the module entry point. - -**/ -VOID -EFIAPI -BuildModuleHob ( - IN CONST EFI_GUID *ModuleName, - IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule, - IN UINT64 ModuleLength, - IN EFI_PHYSICAL_ADDRESS EntryPoint - ) -{ - EFI_HOB_MEMORY_ALLOCATION_MODULE *Hob; - - ASSERT (((MemoryAllocationModule & (EFI_PAGE_SIZE - 1)) == 0) && - ((ModuleLength & (EFI_PAGE_SIZE - 1)) == 0)); - - Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE)); - - CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid); - Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule; - Hob->MemoryAllocationHeader.MemoryLength = ModuleLength; - Hob->MemoryAllocationHeader.MemoryType = EfiBootServicesCode; - - // - // Zero the reserved space to match HOB spec - // - ZeroMem (Hob->MemoryAllocationHeader.Reserved, sizeof (Hob->MemoryAllocationHeader.Reserved)); - - CopyGuid (&Hob->ModuleName, ModuleName); - Hob->EntryPoint = EntryPoint; -} - - -/** - Builds a HOB that describes a chunk of system memory. - - This function builds a HOB that describes a chunk of system memory. - If there is no additional space for HOB creation, then ASSERT(). - - @param ResourceType The type of resource described by this HOB. - @param ResourceAttribute The resource attributes of the memory described by this HOB. - @param PhysicalStart The 64 bit physical address of memory described by this HOB. - @param NumberOfBytes The length of the memory described by this HOB in bytes. - -**/ -VOID -EFIAPI -BuildResourceDescriptorHob ( - IN EFI_RESOURCE_TYPE ResourceType, - IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute, - IN EFI_PHYSICAL_ADDRESS PhysicalStart, - IN UINT64 NumberOfBytes - ) -{ - EFI_HOB_RESOURCE_DESCRIPTOR *Hob; - - Hob = CreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, sizeof (EFI_HOB_RESOURCE_DESCRIPTOR)); - - Hob->ResourceType = ResourceType; - Hob->ResourceAttribute = ResourceAttribute; - Hob->PhysicalStart = PhysicalStart; - Hob->ResourceLength = NumberOfBytes; -} - - -/** - Builds a GUID HOB with a certain data length. - - This function builds a customized HOB tagged with a GUID for identification - and returns the start address of GUID HOB data so that caller can fill the customized data. - The HOB Header and Name field is already stripped. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If Guid is NULL, then ASSERT(). - If there is no additional space for HOB creation, then ASSERT(). - If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT(). - - @param Guid The GUID to tag the customized HOB. - @param DataLength The size of the data payload for the GUID HOB. - - @return The start address of GUID HOB data. - -**/ -VOID * -EFIAPI -BuildGuidHob ( - IN CONST EFI_GUID *Guid, - IN UINTN DataLength - ) -{ - EFI_HOB_GUID_TYPE *Hob; - - // - // Make sure that data length is not too long. - // - ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE))); - - Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength)); - CopyGuid (&Hob->Name, Guid); - return Hob + 1; -} - - -/** - Copies a data buffer to a newly-built HOB. - - This function builds a customized HOB tagged with a GUID for identification, - copies the input data to the HOB data field and returns the start address of the GUID HOB data. - The HOB Header and Name field is already stripped. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If Guid is NULL, then ASSERT(). - If Data is NULL and DataLength > 0, then ASSERT(). - If there is no additional space for HOB creation, then ASSERT(). - If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT(). - - @param Guid The GUID to tag the customized HOB. - @param Data The data to be copied into the data field of the GUID HOB. - @param DataLength The size of the data payload for the GUID HOB. - - @return The start address of GUID HOB data. - -**/ -VOID * -EFIAPI -BuildGuidDataHob ( - IN CONST EFI_GUID *Guid, - IN VOID *Data, - IN UINTN DataLength - ) -{ - VOID *HobData; - - ASSERT (Data != NULL || DataLength == 0); - - HobData = BuildGuidHob (Guid, DataLength); - - return CopyMem (HobData, Data, DataLength); -} - - -/** - Builds a Firmware Volume HOB. - - This function builds a Firmware Volume HOB. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param BaseAddress The base address of the Firmware Volume. - @param Length The size of the Firmware Volume in bytes. - -**/ -VOID -EFIAPI -BuildFvHob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length - ) -{ - EFI_HOB_FIRMWARE_VOLUME *Hob; - - Hob = CreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME)); - - Hob->BaseAddress = BaseAddress; - Hob->Length = Length; -} - - -/** - Builds a EFI_HOB_TYPE_FV2 HOB. - - This function builds a EFI_HOB_TYPE_FV2 HOB. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param BaseAddress The base address of the Firmware Volume. - @param Length The size of the Firmware Volume in bytes. - @param FvName The name of the Firmware Volume. - @param FileName The name of the file. - -**/ -VOID -EFIAPI -BuildFv2Hob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length, - IN CONST EFI_GUID *FvName, - IN CONST EFI_GUID *FileName - ) -{ - EFI_HOB_FIRMWARE_VOLUME2 *Hob; - - Hob = CreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2)); - - Hob->BaseAddress = BaseAddress; - Hob->Length = Length; - CopyGuid (&Hob->FvName, FvName); - CopyGuid (&Hob->FileName, FileName); -} - - - -/** - Builds a Capsule Volume HOB. - - This function builds a Capsule Volume HOB. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param BaseAddress The base address of the Capsule Volume. - @param Length The size of the Capsule Volume in bytes. - -**/ -VOID -EFIAPI -BuildCvHob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length - ) -{ - ASSERT (FALSE); -} - - -/** - Builds a HOB for the CPU. - - This function builds a HOB for the CPU. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param SizeOfMemorySpace The maximum physical memory addressability of the processor. - @param SizeOfIoSpace The maximum physical I/O addressability of the processor. - -**/ -VOID -EFIAPI -BuildCpuHob ( - IN UINT8 SizeOfMemorySpace, - IN UINT8 SizeOfIoSpace - ) -{ - EFI_HOB_CPU *Hob; - - Hob = CreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU)); - - Hob->SizeOfMemorySpace = SizeOfMemorySpace; - Hob->SizeOfIoSpace = SizeOfIoSpace; - - // - // Zero the reserved space to match HOB spec - // - ZeroMem (Hob->Reserved, sizeof (Hob->Reserved)); -} - - -/** - Builds a HOB for the Stack. - - This function builds a HOB for the stack. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param BaseAddress The 64 bit physical address of the Stack. - @param Length The length of the stack in bytes. - -**/ -VOID -EFIAPI -BuildStackHob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length - ) -{ - EFI_HOB_MEMORY_ALLOCATION_STACK *Hob; - - ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) && - ((Length & (EFI_PAGE_SIZE - 1)) == 0)); - - Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK)); - - CopyGuid (&(Hob->AllocDescriptor.Name), &gEfiHobMemoryAllocStackGuid); - Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress; - Hob->AllocDescriptor.MemoryLength = Length; - Hob->AllocDescriptor.MemoryType = EfiBootServicesData; - - // - // Zero the reserved space to match HOB spec - // - ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved)); -} - - -/** - Update the Stack Hob if the stack has been moved - - @param BaseAddress The 64 bit physical address of the Stack. - @param Length The length of the stack in bytes. - -**/ -VOID -UpdateStackHob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length - ) -{ - EFI_PEI_HOB_POINTERS Hob; - - Hob.Raw = GetHobList (); - while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) { - if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) { - // - // Build a new memory allocation HOB with old stack info with EfiConventionalMemory type - // to be reclaimed by DXE core. - // - BuildMemoryAllocationHob ( - Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress, - Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength, - EfiConventionalMemory - ); - // - // Update the BSP Stack Hob to reflect the new stack info. - // - Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress; - Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length; - break; - } - Hob.Raw = GET_NEXT_HOB (Hob); - } -} - - - -/** - Builds a HOB for the memory allocation. - - This function builds a HOB for the memory allocation. - It can only be invoked during PEI phase; - for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. - If there is no additional space for HOB creation, then ASSERT(). - - @param BaseAddress The 64 bit physical address of the memory. - @param Length The length of the memory allocation in bytes. - @param MemoryType Type of memory allocated by this HOB. - -**/ -VOID -EFIAPI -BuildMemoryAllocationHob ( - IN EFI_PHYSICAL_ADDRESS BaseAddress, - IN UINT64 Length, - IN EFI_MEMORY_TYPE MemoryType - ) -{ - EFI_HOB_MEMORY_ALLOCATION *Hob; - - ASSERT (((BaseAddress & (EFI_PAGE_SIZE - 1)) == 0) && - ((Length & (EFI_PAGE_SIZE - 1)) == 0)); - - Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION)); - - ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID)); - Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress; - Hob->AllocDescriptor.MemoryLength = Length; - Hob->AllocDescriptor.MemoryType = MemoryType; - // - // Zero the reserved space to match HOB spec - // - ZeroMem (Hob->AllocDescriptor.Reserved, sizeof (Hob->AllocDescriptor.Reserved)); -} - - - -VOID -EFIAPI -BuildExtractSectionHob ( - IN EFI_GUID *Guid, - IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER SectionGetInfo, - IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER SectionExtraction - ) -{ - EXTRACT_SECTION_DATA Data; - - Data.SectionGetInfo = SectionGetInfo; - Data.SectionExtraction = SectionExtraction; - BuildGuidDataHob (Guid, &Data, sizeof (Data)); -} - -PE_COFF_LOADER_PROTOCOL gPeCoffProtocol = { - PeCoffLoaderGetImageInfo, - PeCoffLoaderLoadImage, - PeCoffLoaderRelocateImage, - PeCoffLoaderImageReadFromMemory, - PeCoffLoaderRelocateImageForRuntime, - PeCoffLoaderUnloadImage -}; - - - -VOID -EFIAPI -BuildPeCoffLoaderHob ( - VOID - ) -{ - VOID *Ptr; - - Ptr = &gPeCoffProtocol; - BuildGuidDataHob (&gPeCoffLoaderProtocolGuid, &Ptr, sizeof (VOID *)); -} - - - diff --git a/EmbeddedPkg/Library/PrePiLib/PrePiLib.inf b/EmbeddedPkg/Library/PrePiLib/PrePiLib.inf index 81d3f47d55..970528c0aa 100644 --- a/EmbeddedPkg/Library/PrePiLib/PrePiLib.inf +++ b/EmbeddedPkg/Library/PrePiLib/PrePiLib.inf @@ -32,7 +32,6 @@ [Sources.common]
FwVol.c
- Hob.c
PrePiLib.c
ReportStatusCode.c
@@ -56,7 +55,7 @@ ExtractGuidedSectionLib
TimerLib
PerformanceLib
-
+ HobLib
[Guids]
gEfiHobMemoryAllocModuleGuid
|