/** @file\r
Implementation for PEI Services Library.\r
\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php.\r
\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
- Module Name: PeiServicesLib.c\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
+\r
+#include <PiPei.h>\r
+\r
+#include <Ppi/FirmwareVolumeInfo.h>\r
+#include <Ppi/FirmwareVolumeInfo2.h>\r
+#include <Guid/FirmwareFileSystem2.h>\r
+\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/PeiServicesTablePointerLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+\r
/**\r
- This service enables a given PEIM to register an interface into the PEI Foundation. \r
+ This service enables a given PEIM to register an interface into the PEI Foundation.\r
\r
@param PpiList A pointer to the list of interfaces that the caller shall install.\r
\r
EFI_STATUS\r
EFIAPI\r
PeiServicesInstallPpi (\r
- IN EFI_PEI_PPI_DESCRIPTOR *PpiList\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->InstallPpi (PeiServices, PpiList);\r
}\r
/**\r
This service enables PEIMs to replace an entry in the PPI database with an alternate entry.\r
\r
- @param OldPpi Pointer to the old PEI PPI Descriptors.\r
- @param NewPpi Pointer to the new PEI PPI Descriptors.\r
+ @param OldPpi The pointer to the old PEI PPI Descriptors.\r
+ @param NewPpi The pointer to the new PEI PPI Descriptors.\r
\r
@retval EFI_SUCCESS The interface was successfully installed.\r
@retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL.\r
EFI_STATUS\r
EFIAPI\r
PeiServicesReInstallPpi (\r
- IN EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r
- IN EFI_PEI_PPI_DESCRIPTOR *NewPpi\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *NewPpi\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->ReInstallPpi (PeiServices, OldPpi, NewPpi);\r
}\r
EFI_STATUS\r
EFIAPI\r
PeiServicesLocatePpi (\r
- IN EFI_GUID *Guid,\r
+ IN CONST EFI_GUID *Guid,\r
IN UINTN Instance,\r
- IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r
+ IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, OPTIONAL\r
IN OUT VOID **Ppi\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->LocatePpi (PeiServices, Guid, Instance, PpiDescriptor, Ppi);\r
}\r
This service enables PEIMs to register a given service to be invoked when another service is\r
installed or reinstalled.\r
\r
- @param NotifyList A pointer to the list of notification interfaces that the caller\r
- shall install.\r
+ @param NotifyList A pointer to the list of notification interfaces\r
+ that the caller shall install.\r
\r
@retval EFI_SUCCESS The interface was successfully installed.\r
@retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL.\r
- @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the\r
- EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field.\r
+ @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do\r
+ not have the EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES\r
+ bit set in the Flags field.\r
@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiServicesNotifyPpi (\r
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList\r
+ IN CONST EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->NotifyPpi (PeiServices, NotifyList);\r
}\r
\r
/**\r
- This service enables PEIMs to ascertain the present value of the boot mode. \r
+ This service enables PEIMs to ascertain the present value of the boot mode.\r
\r
@param BootMode A pointer to contain the value of the boot mode.\r
\r
EFI_STATUS\r
EFIAPI\r
PeiServicesGetBootMode (\r
- IN OUT EFI_BOOT_MODE *BootMode\r
+ OUT EFI_BOOT_MODE *BootMode\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->GetBootMode (PeiServices, BootMode);\r
}\r
\r
/**\r
- This service enables PEIMs to update the boot mode variable. \r
+ This service enables PEIMs to update the boot mode variable.\r
\r
@param BootMode The value of the boot mode to set.\r
\r
IN EFI_BOOT_MODE BootMode\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->SetBootMode (PeiServices, BootMode);\r
}\r
/**\r
This service enables a PEIM to ascertain the address of the list of HOBs in memory.\r
\r
- @param HobList A pointer to the list of HOBs that the PEI Foundation will initialize.\r
+ @param HobList A pointer to the list of HOBs that the PEI Foundation\r
+ will initialize.\r
\r
@retval EFI_SUCCESS The list was successfully returned.\r
@retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.\r
EFI_STATUS\r
EFIAPI\r
PeiServicesGetHobList (\r
- IN OUT VOID **HobList\r
+ OUT VOID **HobList\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->GetHobList (PeiServices, HobList);\r
}\r
\r
@param Type The type of HOB to be installed.\r
@param Length The length of the HOB to be added.\r
- @param Hob The address of a pointer that will contain the HOB header.\r
+ @param Hob The address of a pointer that will contain the\r
+ HOB header.\r
\r
@retval EFI_SUCCESS The HOB was successfully created.\r
@retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.\r
PeiServicesCreateHob (\r
IN UINT16 Type,\r
IN UINT16 Length,\r
- IN OUT VOID **Hob\r
+ OUT VOID **Hob\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->CreateHob (PeiServices, Type, Length, Hob);\r
}\r
/**\r
This service enables PEIMs to discover additional firmware volumes.\r
\r
- @param Instance This instance of the firmware volume to find. The value 0 is the\r
- Boot Firmware Volume (BFV).\r
- @param FwVolHeader Pointer to the firmware volume header of the volume to return.\r
+ @param Instance This instance of the firmware volume to find. The\r
+ value 0 is the Boot Firmware Volume (BFV).\r
+ @param VolumeHandle Handle of the firmware volume header of the volume\r
+ to return.\r
\r
@retval EFI_SUCCESS The volume was found.\r
@retval EFI_NOT_FOUND The volume was not found.\r
EFIAPI\r
PeiServicesFfsFindNextVolume (\r
IN UINTN Instance,\r
- IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader\r
+ IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
- return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, FwVolHeader);\r
+ return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, VolumeHandle);\r
}\r
\r
/**\r
This service enables PEIMs to discover additional firmware files.\r
\r
@param SearchType A filter to find files only of this type.\r
- @param FwVolHeader Pointer to the firmware volume header of the volume to search.\r
- This parameter must point to a valid FFS volume.\r
- @param FileHeader Pointer to the current file from which to begin searching.\r
+ @param VolumeHandle The pointer to the firmware volume header of the\r
+ volume to search. This parameter must point to a\r
+ valid FFS volume.\r
+ @param FileHandle Handle of the current file from which to begin searching.\r
\r
@retval EFI_SUCCESS The file was found.\r
@retval EFI_NOT_FOUND The file was not found.\r
EFIAPI\r
PeiServicesFfsFindNextFile (\r
IN EFI_FV_FILETYPE SearchType,\r
- IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r
- IN OUT EFI_FFS_FILE_HEADER **FileHeader\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
- return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, FwVolHeader, FileHeader);\r
+ return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, VolumeHandle, FileHandle);\r
}\r
\r
/**\r
This service enables PEIMs to discover sections of a given type within a valid FFS file.\r
\r
- @param SearchType The value of the section type to find.\r
- @param FfsFileHeader A pointer to the file header that contains the set of sections to\r
- be searched.\r
+ @param SectionType The value of the section type to find.\r
+ @param FileHandle A pointer to the file header that contains the set\r
+ of sections to be searched.\r
@param SectionData A pointer to the discovered section, if successful.\r
\r
@retval EFI_SUCCESS The section was found.\r
EFIAPI\r
PeiServicesFfsFindSectionData (\r
IN EFI_SECTION_TYPE SectionType,\r
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r
- IN OUT VOID **SectionData\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT VOID **SectionData\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
- return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FfsFileHeader, SectionData);\r
+ return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FileHandle, SectionData);\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to discover sections of a given instance and type within a valid FFS file.\r
+\r
+ @param SectionType The value of the section type to find.\r
+ @param SectionInstance Section instance to find.\r
+ @param FileHandle A pointer to the file header that contains the set\r
+ of sections to be searched.\r
+ @param SectionData A pointer to the discovered section, if successful.\r
+ @param AuthenticationStatus A pointer to the authentication status for this section.\r
+\r
+ @retval EFI_SUCCESS The section was found.\r
+ @retval EFI_NOT_FOUND The section was not found.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsFindSectionData3 (\r
+ IN EFI_SECTION_TYPE SectionType,\r
+ IN UINTN SectionInstance,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT VOID **SectionData,\r
+ OUT UINT32 *AuthenticationStatus\r
+ )\r
+{\r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->FindSectionData3 (PeiServices, SectionType, SectionInstance, FileHandle, SectionData, AuthenticationStatus);\r
}\r
\r
/**\r
IN UINT64 MemoryLength\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->InstallPeiMemory (PeiServices, MemoryBegin, MemoryLength);\r
}\r
\r
/**\r
- This service enables PEIMs to allocate memory after the permanent memory has been installed by a\r
- PEIM.\r
+ This service enables PEIMs to allocate memory.\r
\r
@param MemoryType Type of memory to allocate.\r
- @param Pages Number of pages to allocate.\r
+ @param Pages The number of pages to allocate.\r
@param Memory Pointer of memory allocated.\r
\r
@retval EFI_SUCCESS The memory range was successfully allocated.\r
- @retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages.\r
- @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available.\r
+ @retval EFI_INVALID_PARAMETER Type is not equal to EfiLoaderCode, EfiLoaderData, EfiRuntimeServicesCode,\r
+ EfiRuntimeServicesData, EfiBootServicesCode, EfiBootServicesData,\r
+ EfiACPIReclaimMemory, EfiReservedMemoryType, or EfiACPIMemoryNVS.\r
@retval EFI_OUT_OF_RESOURCES The pages could not be allocated.\r
\r
**/\r
PeiServicesAllocatePages (\r
IN EFI_MEMORY_TYPE MemoryType,\r
IN UINTN Pages,\r
- IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
+ OUT EFI_PHYSICAL_ADDRESS *Memory\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, Memory);\r
}\r
\r
+/**\r
+ This service enables PEIMs to free memory.\r
+\r
+ @param Memory Memory to be freed.\r
+ @param Pages The number of pages to free.\r
+\r
+ @retval EFI_SUCCESS The requested pages were freed.\r
+ @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid.\r
+ @retval EFI_NOT_FOUND The requested memory pages were not allocated with\r
+ AllocatePages().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFreePages (\r
+ IN EFI_PHYSICAL_ADDRESS Memory,\r
+ IN UINTN Pages\r
+ )\r
+{\r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->FreePages (PeiServices, Memory, Pages);\r
+}\r
+\r
/**\r
This service allocates memory from the Hand-Off Block (HOB) heap.\r
\r
@param Size The number of bytes to allocate from the pool.\r
- @param Buffer If the call succeeds, a pointer to a pointer to the allocate\r
- buffer; undefined otherwise.\r
+ @param Buffer If the call succeeds, a pointer to a pointer to\r
+ the allocate buffer; otherwise, undefined.\r
\r
@retval EFI_SUCCESS The allocation was successful\r
@retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size.\r
OUT VOID **Buffer\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
return (*PeiServices)->AllocatePool (PeiServices, Size, Buffer);\r
}\r
\r
/**\r
- This service resets the entire platform, including all processors and devices, and reboots the\r
- system. \r
+ Resets the entire platform.\r
\r
+ @retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.\r
\r
**/\r
VOID\r
)\r
{\r
- EFI_PEI_SERVICES **PeiServices;\r
- \r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+\r
PeiServices = GetPeiServicesTablePointer ();\r
- return (*PeiServices)->PeiResetSystem (PeiServices);\r
+ return (*PeiServices)->ResetSystem (PeiServices);\r
+}\r
+\r
+/**\r
+ This service is a wrapper for the PEI Service RegisterForShadow(), except the\r
+ pointer to the PEI Services Table has been removed. See the Platform\r
+ Initialization Pre-EFI Initialization Core Interface Specification for details.\r
+\r
+ @param FileHandle PEIM's file handle. Must be the currently\r
+ executing PEIM.\r
+\r
+ @retval EFI_SUCCESS The PEIM was successfully registered for\r
+ shadowing.\r
+\r
+ @retval EFI_ALREADY_STARTED The PEIM was previously\r
+ registered for shadowing.\r
+\r
+ @retval EFI_NOT_FOUND The FileHandle does not refer to a\r
+ valid file handle.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesRegisterForShadow (\r
+ IN EFI_PEI_FILE_HANDLE FileHandle\r
+ )\r
+{\r
+ return (*GetPeiServicesTablePointer())->RegisterForShadow (FileHandle);\r
+}\r
+\r
+/**\r
+ This service is a wrapper for the PEI Service FfsGetFileInfo(), except the pointer to the PEI Services\r
+ Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface\r
+ Specification for details.\r
+\r
+ @param FileHandle The handle of the file.\r
+\r
+ @param FileInfo Upon exit, points to the file's\r
+ information.\r
+\r
+ @retval EFI_SUCCESS File information returned.\r
+\r
+ @retval EFI_INVALID_PARAMETER If FileHandle does not\r
+ represent a valid file.\r
+\r
+ @retval EFI_INVALID_PARAMETER FileInfo is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsGetFileInfo (\r
+ IN CONST EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_FV_FILE_INFO *FileInfo\r
+ )\r
+{\r
+ return (*GetPeiServicesTablePointer())->FfsGetFileInfo (FileHandle, FileInfo);\r
+}\r
+\r
+/**\r
+ This service is a wrapper for the PEI Service FfsGetFileInfo2(), except the pointer to the PEI Services\r
+ Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface\r
+ Specification for details.\r
+\r
+ @param FileHandle The handle of the file.\r
+ @param FileInfo Upon exit, points to the file's\r
+ information.\r
+\r
+ @retval EFI_SUCCESS File information returned.\r
+ @retval EFI_INVALID_PARAMETER If FileHandle does not\r
+ represent a valid file.\r
+ @retval EFI_INVALID_PARAMETER FileInfo is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsGetFileInfo2 (\r
+ IN CONST EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_FV_FILE_INFO2 *FileInfo\r
+ )\r
+{\r
+ return (*GetPeiServicesTablePointer())->FfsGetFileInfo2 (FileHandle, FileInfo);\r
+}\r
+\r
+/**\r
+ This service is a wrapper for the PEI Service FfsFindByName(), except the pointer to the PEI Services\r
+ Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface\r
+ Specification for details.\r
+\r
+ @param FileName A pointer to the name of the file to\r
+ find within the firmware volume.\r
+\r
+ @param VolumeHandle The firmware volume to search FileHandle\r
+ Upon exit, points to the found file's\r
+ handle or NULL if it could not be found.\r
+ @param FileHandle The pointer to found file handle\r
+\r
+ @retval EFI_SUCCESS File was found.\r
+\r
+ @retval EFI_NOT_FOUND File was not found.\r
+\r
+ @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or\r
+ FileName was NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsFindFileByName (\r
+ IN CONST EFI_GUID *FileName,\r
+ IN CONST EFI_PEI_FV_HANDLE VolumeHandle,\r
+ OUT EFI_PEI_FILE_HANDLE *FileHandle\r
+ )\r
+{\r
+ return (*GetPeiServicesTablePointer())->FfsFindFileByName (FileName, VolumeHandle, FileHandle);\r
+}\r
+\r
+\r
+/**\r
+ This service is a wrapper for the PEI Service FfsGetVolumeInfo(), except the pointer to the PEI Services\r
+ Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface\r
+ Specification for details.\r
+\r
+ @param VolumeHandle Handle of the volume.\r
+\r
+ @param VolumeInfo Upon exit, points to the volume's\r
+ information.\r
+\r
+ @retval EFI_SUCCESS File information returned.\r
+\r
+ @retval EFI_INVALID_PARAMETER If FileHandle does not\r
+ represent a valid file.\r
+\r
+ @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsGetVolumeInfo (\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ OUT EFI_FV_INFO *VolumeInfo\r
+ )\r
+{\r
+ return (*GetPeiServicesTablePointer())->FfsGetVolumeInfo (VolumeHandle, VolumeInfo);\r
+}\r
+\r
+/**\r
+ Install a EFI_PEI_FIRMWARE_VOLUME_INFO(2)_PPI instance so the PEI Core will be notified about a new firmware volume.\r
+\r
+ This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO(2)_PPI using\r
+ the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO(2)_PPI instance.\r
+ If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO(2)_PPI, then ASSERT().\r
+ If the EFI_PEI_FIRMWARE_VOLUME_INFO(2)_PPI can not be installed, then ASSERT().\r
+ If NULL is specified for FvFormat, but FvInfo does not have the firmware file system 2 format, then ASSERT.\r
+\r
+ @param InstallFvInfoPpi Install FvInfo Ppi if it is TRUE. Otherwise, install FvInfo2 Ppi.\r
+ @param FvFormat Unique identifier of the format of the memory-mapped\r
+ firmware volume. This parameter is optional and\r
+ may be NULL. If NULL is specified, the\r
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed.\r
+ @param FvInfo Points to a buffer which allows the\r
+ EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume.\r
+ The format of this buffer is specific to the FvFormat.\r
+ For memory-mapped firmware volumes, this typically\r
+ points to the first byte of the firmware volume.\r
+ @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped\r
+ firmware volumes, this is typically the size of\r
+ the firmware volume.\r
+ @param ParentFvName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID name of the originating firmware\r
+ volume. Otherwise, this parameter must be NULL.\r
+ @param ParentFileName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID file name of the originating\r
+ firmware file. Otherwise, this parameter must be NULL.\r
+ @param AuthenticationStatus Authentication Status, it will be ignored if InstallFvInfoPpi is TRUE.\r
+**/\r
+VOID\r
+EFIAPI\r
+InternalPeiServicesInstallFvInfoPpi (\r
+ IN BOOLEAN InstallFvInfoPpi,\r
+ IN CONST EFI_GUID *FvFormat, OPTIONAL\r
+ IN CONST VOID *FvInfo,\r
+ IN UINT32 FvInfoSize,\r
+ IN CONST EFI_GUID *ParentFvName, OPTIONAL\r
+ IN CONST EFI_GUID *ParentFileName, OPTIONAL\r
+ IN UINT32 AuthenticationStatus\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;\r
+ EFI_PEI_PPI_DESCRIPTOR *FvInfoPpiDescriptor;\r
+ EFI_GUID *ParentFvNameValue;\r
+ EFI_GUID *ParentFileNameValue;\r
+ EFI_GUID *PpiGuid;\r
+\r
+ ParentFvNameValue = NULL;\r
+ ParentFileNameValue = NULL;\r
+ if (InstallFvInfoPpi) {\r
+ //\r
+ // To install FvInfo Ppi.\r
+ //\r
+ FvInfoPpi = AllocateZeroPool (sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI));\r
+ ASSERT (FvInfoPpi != NULL);\r
+ PpiGuid = &gEfiPeiFirmwareVolumeInfoPpiGuid;\r
+ } else {\r
+ //\r
+ // To install FvInfo2 Ppi.\r
+ //\r
+ FvInfoPpi = AllocateZeroPool (sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI));\r
+ ASSERT (FvInfoPpi != NULL);\r
+ ((EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI *) FvInfoPpi)->AuthenticationStatus = AuthenticationStatus;\r
+ PpiGuid = &gEfiPeiFirmwareVolumeInfo2PpiGuid;\r
+ }\r
+\r
+ if (FvFormat != NULL) {\r
+ CopyGuid (&FvInfoPpi->FvFormat, FvFormat);\r
+ } else {\r
+ CopyGuid (&FvInfoPpi->FvFormat, &gEfiFirmwareFileSystem2Guid);\r
+ //\r
+ // Since the EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed if NULL is specified for FvFormat,\r
+ // check the FileSystemGuid pointed by FvInfo against EFI_FIRMWARE_FILE_SYSTEM2_GUID to make sure\r
+ // FvInfo has the firmware file system 2 format.\r
+ // If the ASSERT really appears, FvFormat needs to be specified correctly, for example,\r
+ // EFI_FIRMWARE_FILE_SYSTEM3_GUID can be used for firmware file system 3 format, or\r
+ // ((EFI_FIRMWARE_VOLUME_HEADER *) FvInfo)->FileSystemGuid can be just used for both\r
+ // firmware file system 2 and 3 format.\r
+ //\r
+ ASSERT (CompareGuid (&(((EFI_FIRMWARE_VOLUME_HEADER *) FvInfo)->FileSystemGuid), &gEfiFirmwareFileSystem2Guid));\r
+ }\r
+ FvInfoPpi->FvInfo = (VOID *) FvInfo;\r
+ FvInfoPpi->FvInfoSize = FvInfoSize;\r
+ if (ParentFvName != NULL) {\r
+ ParentFvNameValue = AllocateCopyPool (sizeof (EFI_GUID), ParentFvName);\r
+ ASSERT (ParentFvNameValue != NULL);\r
+ FvInfoPpi->ParentFvName = ParentFvNameValue;\r
+ }\r
+ if (ParentFileName != NULL) {\r
+ ParentFileNameValue = AllocateCopyPool (sizeof (EFI_GUID), ParentFileName);\r
+ ASSERT (ParentFileNameValue != NULL);\r
+ FvInfoPpi->ParentFileName = ParentFileNameValue;\r
+ }\r
+\r
+ FvInfoPpiDescriptor = AllocatePool (sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
+ ASSERT (FvInfoPpiDescriptor != NULL);\r
+\r
+ FvInfoPpiDescriptor->Guid = PpiGuid;\r
+ FvInfoPpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
+ FvInfoPpiDescriptor->Ppi = (VOID *) FvInfoPpi;\r
+ Status = PeiServicesInstallPpi (FvInfoPpiDescriptor);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+}\r
+\r
+/**\r
+ Install a EFI_PEI_FIRMWARE_VOLUME_INFO_PPI instance so the PEI Core will be notified about a new firmware volume.\r
+\r
+ This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO_PPI using\r
+ the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO_PPI instance.\r
+ If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO_PPI, then ASSERT().\r
+ If the EFI_PEI_FIRMWARE_VOLUME_INFO_PPI can not be installed, then ASSERT().\r
+ If NULL is specified for FvFormat, but FvInfo does not have the firmware file system 2 format, then ASSERT.\r
+\r
+ @param FvFormat Unique identifier of the format of the memory-mapped\r
+ firmware volume. This parameter is optional and\r
+ may be NULL. If NULL is specified, the\r
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed.\r
+ @param FvInfo Points to a buffer which allows the\r
+ EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume.\r
+ The format of this buffer is specific to the FvFormat.\r
+ For memory-mapped firmware volumes, this typically\r
+ points to the first byte of the firmware volume.\r
+ @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped\r
+ firmware volumes, this is typically the size of\r
+ the firmware volume.\r
+ @param ParentFvName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID name of the originating firmware\r
+ volume. Otherwise, this parameter must be NULL.\r
+ @param ParentFileName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID file name of the originating\r
+ firmware file. Otherwise, this parameter must be NULL.\r
+**/\r
+VOID\r
+EFIAPI\r
+PeiServicesInstallFvInfoPpi (\r
+ IN CONST EFI_GUID *FvFormat, OPTIONAL\r
+ IN CONST VOID *FvInfo,\r
+ IN UINT32 FvInfoSize,\r
+ IN CONST EFI_GUID *ParentFvName, OPTIONAL\r
+ IN CONST EFI_GUID *ParentFileName OPTIONAL\r
+ )\r
+{\r
+ InternalPeiServicesInstallFvInfoPpi (TRUE, FvFormat, FvInfo, FvInfoSize, ParentFvName, ParentFileName, 0);\r
+}\r
+\r
+/**\r
+ Install a EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance so the PEI Core will be notified about a new firmware volume.\r
+\r
+ This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI using\r
+ the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance.\r
+ If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI, then ASSERT().\r
+ If the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI can not be installed, then ASSERT().\r
+ If NULL is specified for FvFormat, but FvInfo does not have the firmware file system 2 format, then ASSERT.\r
+\r
+ @param FvFormat Unique identifier of the format of the memory-mapped\r
+ firmware volume. This parameter is optional and\r
+ may be NULL. If NULL is specified, the\r
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed.\r
+ @param FvInfo Points to a buffer which allows the\r
+ EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume.\r
+ The format of this buffer is specific to the FvFormat.\r
+ For memory-mapped firmware volumes, this typically\r
+ points to the first byte of the firmware volume.\r
+ @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped\r
+ firmware volumes, this is typically the size of\r
+ the firmware volume.\r
+ @param ParentFvName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID name of the originating firmware\r
+ volume. Otherwise, this parameter must be NULL.\r
+ @param ParentFileName If the new firmware volume originated from a file\r
+ in a different firmware volume, then this parameter\r
+ specifies the GUID file name of the originating\r
+ firmware file. Otherwise, this parameter must be NULL.\r
+ @param AuthenticationStatus Authentication Status\r
+**/\r
+VOID\r
+EFIAPI\r
+PeiServicesInstallFvInfo2Ppi (\r
+ IN CONST EFI_GUID *FvFormat, OPTIONAL\r
+ IN CONST VOID *FvInfo,\r
+ IN UINT32 FvInfoSize,\r
+ IN CONST EFI_GUID *ParentFvName, OPTIONAL\r
+ IN CONST EFI_GUID *ParentFileName, OPTIONAL\r
+ IN UINT32 AuthenticationStatus\r
+ )\r
+{\r
+ InternalPeiServicesInstallFvInfoPpi (FALSE, FvFormat, FvInfo, FvInfoSize, ParentFvName, ParentFileName, AuthenticationStatus);\r
+}\r
+\r
+/**\r
+ Resets the entire platform.\r
+\r
+ @param[in] ResetType The type of reset to perform.\r
+ @param[in] ResetStatus The status code for the reset.\r
+ @param[in] DataSize The size, in bytes, of ResetData.\r
+ @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown\r
+ the data buffer starts with a Null-terminated string, optionally\r
+ followed by additional binary data. The string is a description\r
+ that the caller may use to further indicate the reason for the\r
+ system reset. ResetData is only valid if ResetStatus is something\r
+ other than EFI_SUCCESS unless the ResetType is EfiResetPlatformSpecific\r
+ where a minimum amount of ResetData is always required.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+PeiServicesResetSystem2 (\r
+ IN EFI_RESET_TYPE ResetType,\r
+ IN EFI_STATUS ResetStatus,\r
+ IN UINTN DataSize,\r
+ IN VOID *ResetData OPTIONAL\r
+ )\r
+{\r
+ (*GetPeiServicesTablePointer())->ResetSystem2 (ResetType, ResetStatus, DataSize, ResetData);\r
}\r