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Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueHobLib.h')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueHobLib.h | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueHobLib.h b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueHobLib.h new file mode 100644 index 0000000..6c03086 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueHobLib.h @@ -0,0 +1,384 @@ +/*++ + +Copyright (c) 2004 - 2006, Intel Corporation +All rights reserved. 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. + + +Module Name: + + EdkIIGlueHobLib.h + +Abstract: + + Public header file for Hob Lib + +--*/ + +#ifndef __EDKII_GLUE_HOB_LIB_H__ +#define __EDKII_GLUE_HOB_LIB_H__ + + +#define GetFirstGuidHob(_GUID) GlueGetFirstGuidHob(_GUID) +#define GetNextGuidHob(_GUID, _HobStart) GlueGetNextGuidHob(_GUID, _HobStart) +#define BuildModuleHob(_MODULENAME, _MEMORYALLOCATIONMODULE, _MODULELENGTH, _ENTRYPOINT) GlueBuildModuleHob(_MODULENAME, _MEMORYALLOCATIONMODULE, _MODULELENGTH, _ENTRYPOINT) +#define BuildMemoryAllocationHob(_BASEADDRESS, _LENGTH, _MEMORYTYPE) GlueBuildMemoryAllocationHob(_BASEADDRESS, _LENGTH, _MEMORYTYPE) + + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 +GlueGetNextGuidHob ( + IN CONST EFI_GUID *Guid, + IN CONST VOID *HobStart + ) +; + +/** + 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 +GlueGetFirstGuidHob ( + IN CONST EFI_GUID *Guid + ) +; + +/** + 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 +GetBootModeHob ( + VOID + ) +; + +/** + 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 +GlueBuildModuleHob ( + IN CONST EFI_GUID *ModuleName, + IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule, + IN UINT64 ModuleLength, + IN EFI_PHYSICAL_ADDRESS EntryPoint + ) +; + +/** + Builds a HOB that describes a chunk of system memory. + + This function builds a HOB that describes a chunk of system memory. + 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 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + 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 + ) +; + +/** + Builds a HOB for the BSP store. + + This function builds a HOB for BSP store. + 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 BSP. + @param Length The length of the BSP store in bytes. + @param MemoryType Type of memory allocated by this HOB. + +**/ +VOID +EFIAPI +BuildBspStoreHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN EFI_MEMORY_TYPE MemoryType + ) +; + +/** + 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 +GlueBuildMemoryAllocationHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN EFI_MEMORY_TYPE MemoryType + ) +; + +#endif |