--- /dev/null
+/** @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
+\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
+\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 EFI_PEI_PPI_DESCRIPTOR *PpiList\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->InstallPpi (PeiServices, PpiList);\r
+}\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
+\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 EFI_PEI_PPI_DESCRIPTOR *OldPpi,\r
+ IN EFI_PEI_PPI_DESCRIPTOR *NewPpi\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->ReInstallPpi (PeiServices, OldPpi, NewPpi);\r
+}\r
+\r
+/**\r
+ This service enables PEIMs to discover a given instance of an interface.\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 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_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->LocatePpi (PeiServices, Guid, Instance, PpiDescriptor, Ppi);\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 that the caller\r
+ 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_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
+ )\r
+{\r
+ 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
+\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
+ IN OUT EFI_BOOT_MODE *BootMode\r
+ )\r
+{\r
+ 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
+\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
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->SetBootMode (PeiServices, BootMode);\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 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
+ IN OUT VOID **HobList\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->GetHobList (PeiServices, HobList);\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 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
+ IN OUT VOID **Hob\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->CreateHob (PeiServices, Type, Length, Hob);\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 value 0 is the\r
+ Boot Firmware Volume (BFV).\r
+ @param FwVolHeader Pointer to the firmware volume header of the volume 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_FIRMWARE_VOLUME_HEADER **FwVolHeader\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, FwVolHeader);\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
+\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_FIRMWARE_VOLUME_HEADER *FwVolHeader,\r
+ IN OUT EFI_FFS_FILE_HEADER **FileHeader\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, FwVolHeader, FileHeader);\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 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_FFS_FILE_HEADER *FfsFileHeader,\r
+ IN OUT VOID **SectionData\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FfsFileHeader, 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
+ 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
+\r
+ @param MemoryType Type of memory to allocate.\r
+ @param Pages 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
+ IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
+ )\r
+{\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, Memory);\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
+\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
+ 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
+\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
+ EFI_PEI_SERVICES **PeiServices;\r
+ \r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ return (*PeiServices)->PeiResetSystem (PeiServices);\r
+}\r
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