1 /** @file 2 System Firmware descriptor producer. 3 4 Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #include <PiPei.h> 16 #include <Library/PcdLib.h> 17 #include <Library/PeiServicesLib.h> 18 #include <Library/DebugLib.h> 19 #include <Protocol/FirmwareManagement.h> 20 #include <Guid/EdkiiSystemFmpCapsule.h> 21 22 /** 23 Entrypoint for SystemFirmwareDescriptor PEIM. 24 25 @param[in] FileHandle Handle of the file being invoked. 26 @param[in] PeiServices Describes the list of possible PEI Services. 27 28 @retval EFI_SUCCESS PPI successfully installed. 29 **/ 30 EFI_STATUS 31 EFIAPI 32 SystemFirmwareDescriptorPeimEntry ( 33 IN EFI_PEI_FILE_HANDLE FileHandle, 34 IN CONST EFI_PEI_SERVICES **PeiServices 35 ) 36 { 37 EFI_STATUS Status; 38 EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR *Descriptor; 39 UINTN Size; 40 UINTN Index; 41 UINT32 AuthenticationStatus; 42 43 // 44 // Search RAW section. 45 // 46 Index = 0; 47 while (TRUE) { 48 Status = PeiServicesFfsFindSectionData3(EFI_SECTION_RAW, Index, FileHandle, (VOID **)&Descriptor, &AuthenticationStatus); 49 if (EFI_ERROR(Status)) { 50 // Should not happen, must something wrong in FDF. 51 ASSERT(FALSE); 52 return EFI_NOT_FOUND; 53 } 54 if (Descriptor->Signature == EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE) { 55 break; 56 } 57 Index++; 58 } 59 60 DEBUG((DEBUG_INFO, "EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR size - 0x%x\n", Descriptor->Length)); 61 62 Size = Descriptor->Length; 63 PcdSetPtrS (PcdEdkiiSystemFirmwareImageDescriptor, &Size, Descriptor); 64 65 return EFI_SUCCESS; 66 } 67
