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- /*++ @file
- PEIM to build GUIDed HOBs for platform specific flash map
- Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2011, Apple Inc. All rights reserved.
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include "PiPei.h"
- #include <Guid/SystemNvDataGuid.h>
- #include <Ppi/EmuThunk.h>
- #include <Library/DebugLib.h>
- #include <Library/PeimEntryPoint.h>
- #include <Library/HobLib.h>
- #include <Library/PeiServicesLib.h>
- #include <Library/PeiServicesTablePointerLib.h>
- #include <Library/BaseMemoryLib.h>
- #include <Library/PcdLib.h>
- EFI_STATUS
- EFIAPI
- PeimInitializeFlashMap (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST 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
- **/
- {
- EFI_STATUS Status;
- EMU_THUNK_PPI *Thunk;
- EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
- EFI_PHYSICAL_ADDRESS FdBase;
- EFI_PHYSICAL_ADDRESS FdFixUp;
- UINT64 FdSize;
- DEBUG ((DEBUG_ERROR, "EmulatorPkg Flash Map PEIM Loaded\n"));
- //
- // Get the Fwh Information PPI
- //
- Status = PeiServicesLocatePpi (
- &gEmuThunkPpiGuid, // GUID
- 0, // INSTANCE
- &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
- (VOID **)&Thunk // PPI
- );
- ASSERT_EFI_ERROR (Status);
- //
- // Assume that FD0 contains the Flash map.
- //
- Status = Thunk->FirmwareDevices (0, &FdBase, &FdSize, &FdFixUp);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- PcdSet64S (PcdFlashNvStorageVariableBase64, PcdGet64 (PcdEmuFlashNvStorageVariableBase) + FdFixUp);
- PcdSet64S (PcdFlashNvStorageFtwWorkingBase64, PcdGet64 (PcdEmuFlashNvStorageFtwWorkingBase) + FdFixUp);
- PcdSet64S (PcdFlashNvStorageFtwSpareBase64, PcdGet64 (PcdEmuFlashNvStorageFtwSpareBase) + FdFixUp);
- return EFI_SUCCESS;
- }
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