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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 ((EFI_D_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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