+/** @file\r
+ Implementation for PEI Services Library.\r
+\r
+ Copyright (c) 2006 - 2010, 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
+**/\r
+\r
+\r
+#include <PiPei.h>\r
+\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/PpiListLib.h>\r
+\r
+\r
+\r
+EFI_STATUS\r
+SecFfsFindNextFile (\r
+ IN EFI_FV_FILETYPE SearchType,\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
+ );\r
+\r
+EFI_STATUS\r
+SecFfsFindSectionData (\r
+ IN EFI_SECTION_TYPE SectionType,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT VOID **SectionData\r
+ );\r
+\r
+\r
+/**\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
+ @retval EFI_SUCCESS The interface was successfully installed.\r
+ @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL.\r
+ @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
+ EFI_PEI_PPI_DESCRIPTOR_PPI 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
+PeiServicesInstallPpi (\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to replace an entry in the PPI database with an alternate entry.\r
+\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
+ @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the\r
+ EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.\r
+ @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.\r
+ @retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been\r
+ installed.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesReInstallPpi (\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *NewPpi\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to discover a given instance of an interface.\r
+\r
+ So this is, well a hack, so we can reuse the same libraries as the PEI Core \r
+ for XIP modules.... \r
+\r
+ @param Guid A pointer to the GUID whose corresponding interface needs to be\r
+ found.\r
+ @param Instance The N-th instance of the interface that is required.\r
+ @param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.\r
+ @param Ppi A pointer to the instance of the interface.\r
+\r
+ @retval EFI_SUCCESS The interface was successfully returned.\r
+ @retval EFI_NOT_FOUND The PPI descriptor is not found in the database.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesLocatePpi (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN Instance,\r
+ IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r
+ IN OUT VOID **Ppi\r
+ )\r
+{\r
+ EFI_PEI_PPI_DESCRIPTOR *PpiList;\r
+ \r
+ if (Instance != 0) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ \r
+ \r
+ for (PpiList = (EFI_PEI_PPI_DESCRIPTOR *)gPpiList; ; PpiList++) {\r
+ if (CompareGuid (PpiList->Guid, Guid)) {\r
+ if (PpiDescriptor != NULL) {\r
+ *PpiDescriptor = PpiList;\r
+ }\r
+ if (Ppi != NULL) {\r
+ *Ppi = PpiList->Ppi;\r
+ }\r
+ return EFI_SUCCESS;\r
+ }\r
+ \r
+ if ((PpiList->Flags & EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) == EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) {\r
+ break;\r
+ }\r
+ } \r
+ \r
+ \r
+ return EFI_NOT_FOUND;\r
+}\r
+\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 \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\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 CONST EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\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
+ @retval EFI_SUCCESS The boot mode was returned successfully.\r
+ @retval EFI_INVALID_PARAMETER BootMode is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesGetBootMode (\r
+ OUT EFI_BOOT_MODE *BootMode\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\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
+ @retval EFI_SUCCESS The value was successfully updated\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesSetBootMode (\r
+ IN EFI_BOOT_MODE BootMode\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\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 \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
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesGetHobList (\r
+ OUT VOID **HobList\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to create various types of HOBs.\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 \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
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesCreateHob (\r
+ IN UINT16 Type,\r
+ IN UINT16 Length,\r
+ OUT VOID **Hob\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\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 \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
+ @retval EFI_INVALID_PARAMETER FwVolHeader is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsFindNextVolume (\r
+ IN UINTN Instance,\r
+ IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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 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
+ @retval EFI_NOT_FOUND The header checksum was not zero.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsFindNextFile (\r
+ IN EFI_FV_FILETYPE SearchType,\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
+ )\r
+{\r
+ return SecFfsFindNextFile (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 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
+ @retval EFI_NOT_FOUND The section was not found.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesFfsFindSectionData (\r
+ IN EFI_SECTION_TYPE SectionType,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT VOID **SectionData\r
+ )\r
+{\r
+ return SecFfsFindSectionData (SectionType, FileHandle, SectionData);\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to register the permanent memory configuration\r
+ that has been initialized with the PEI Foundation.\r
+\r
+ @param MemoryBegin The value of a region of installed memory.\r
+ @param MemoryLength The corresponding length of a region of installed memory.\r
+\r
+ @retval EFI_SUCCESS The region was successfully installed in a HOB.\r
+ @retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system.\r
+ @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesInstallPeiMemory (\r
+ IN EFI_PHYSICAL_ADDRESS MemoryBegin,\r
+ IN UINT64 MemoryLength\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to allocate memory after the permanent memory has been\r
+ installed by a PEIM.\r
+\r
+ @param MemoryType Type of memory 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_OUT_OF_RESOURCES The pages could not be allocated.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesAllocatePages (\r
+ IN EFI_MEMORY_TYPE MemoryType,\r
+ IN UINTN Pages,\r
+ OUT EFI_PHYSICAL_ADDRESS *Memory\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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 \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
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesAllocatePool (\r
+ IN UINTN Size,\r
+ OUT VOID **Buffer\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\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
+EFI_STATUS\r
+EFIAPI\r
+PeiServicesResetSystem (\r
+ VOID\r
+ )\r
+{\r
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\r
+}\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
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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
+ ASSERT (FALSE);\r
+ return EFI_OUT_OF_RESOURCES;\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
+\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
+ ASSERT (FALSE);\r
+ return;\r
+}\r
+\r