| /**@file | |
| Copyright (c) 2006, Intel Corporation | |
| All rights reserved. This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| Module Name: | |
| FlashMap.c | |
| Abstract: | |
| PEIM to build GUIDed HOBs for platform specific flash map | |
| **/ | |
| // | |
| // The package level header files this module uses | |
| // | |
| #include <PiPei.h> | |
| #include <WinNtPeim.h> | |
| // | |
| // The protocols, PPI and GUID defintions for this module | |
| // | |
| #include <Ppi/NtFwh.h> | |
| #include <Library/DebugLib.h> | |
| #include <Library/PcdLib.h> | |
| #include <Library/PeiServicesLib.h> | |
| EFI_STATUS | |
| EFIAPI | |
| PeimInitializeFlashMap ( | |
| IN EFI_FFS_FILE_HEADER *FfsHeader, | |
| IN EFI_PEI_SERVICES **PeiServices | |
| ) | |
| /*++ | |
| Routine Description: | |
| Build GUIDed HOBs for platform specific flash map | |
| Arguments: | |
| FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure. | |
| PeiServices - General purpose services available to every PEIM. | |
| Returns: | |
| EFI_STATUS | |
| --*/ | |
| // TODO: EFI_SUCCESS - add return value to function comment | |
| { | |
| EFI_STATUS Status; | |
| NT_FWH_PPI *NtFwhPpi; | |
| EFI_PHYSICAL_ADDRESS FdBase; | |
| UINT64 FdSize; | |
| EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; | |
| DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n")); | |
| // | |
| // Get the Fwh Information PPI | |
| // | |
| Status = PeiServicesLocatePpi ( | |
| &gNtFwhPpiGuid, // GUID | |
| 0, // INSTANCE | |
| &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR | |
| (VOID**)&NtFwhPpi // PPI | |
| ); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Assume that FD0 contains the Flash map. | |
| // | |
| Status = NtFwhPpi->NtFwh (0, &FdBase, &FdSize); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| // | |
| // Relocate the base of FV region | |
| // | |
| PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT32) FdBase); | |
| PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT32) FdBase); | |
| PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT32) FdBase); | |
| return EFI_SUCCESS; | |
| } | |