1 /*++ @file 2 PEIM to build GUIDed HOBs for platform specific flash map 3 4 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> 5 Portions copyright (c) 2011, Apple Inc. All rights reserved. 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 17 #include "PiPei.h" 18 19 #include <Guid/SystemNvDataGuid.h> 20 #include <Ppi/EmuThunk.h> 21 22 #include <Library/DebugLib.h> 23 #include <Library/PeimEntryPoint.h> 24 #include <Library/HobLib.h> 25 #include <Library/PeiServicesLib.h> 26 #include <Library/PeiServicesTablePointerLib.h> 27 #include <Library/BaseMemoryLib.h> 28 #include <Library/PcdLib.h> 29 30 EFI_STATUS 31 EFIAPI 32 PeimInitializeFlashMap ( 33 IN EFI_PEI_FILE_HANDLE FileHandle, 34 IN CONST EFI_PEI_SERVICES **PeiServices 35 ) 36 /*++ 37 38 Routine Description: 39 Build GUIDed HOBs for platform specific flash map 40 41 Arguments: 42 FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure. 43 PeiServices - General purpose services available to every PEIM. 44 45 Returns: 46 EFI_STATUS 47 48 **/ 49 { 50 EFI_STATUS Status; 51 EMU_THUNK_PPI *Thunk; 52 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; 53 EFI_PHYSICAL_ADDRESS FdBase; 54 EFI_PHYSICAL_ADDRESS FdFixUp; 55 UINT64 FdSize; 56 57 DEBUG ((EFI_D_ERROR, "EmulatorPkg Flash Map PEIM Loaded\n")); 58 59 // 60 // Get the Fwh Information PPI 61 // 62 Status = PeiServicesLocatePpi ( 63 &gEmuThunkPpiGuid, // GUID 64 0, // INSTANCE 65 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR 66 (VOID **)&Thunk // PPI 67 ); 68 ASSERT_EFI_ERROR (Status); 69 70 // 71 // Assume that FD0 contains the Flash map. 72 // 73 Status = Thunk->FirmwareDevices (0, &FdBase, &FdSize, &FdFixUp); 74 if (EFI_ERROR (Status)) { 75 return Status; 76 } 77 78 PcdSet64 (PcdFlashNvStorageVariableBase64, PcdGet64 (PcdEmuFlashNvStorageVariableBase) + FdFixUp); 79 PcdSet64 (PcdFlashNvStorageFtwWorkingBase64, PcdGet64 (PcdEmuFlashNvStorageFtwWorkingBase) + FdFixUp); 80 PcdSet64 (PcdFlashNvStorageFtwSpareBase64, PcdGet64 (PcdEmuFlashNvStorageFtwSpareBase) + FdFixUp); 81 82 return EFI_SUCCESS; 83 } 84
