mirror of https://github.com/acidanthera/audk.git
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
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/*++
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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FlashMap.c
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Abstract:
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PEIM to build GUIDed HOBs for platform specific flash map
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--*/
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#include "PiPei.h"
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#include <Guid/SystemNvDataGuid.h>
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#include <Guid/FirmwareFileSystem.h>
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#include <Ppi/UnixFwh.h>
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#include <Protocol/FirmwareVolumeBlock.h>
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#include <Library/DebugLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/HobLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PcdLib.h>
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EFI_STATUS
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EFIAPI
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PeimInitializeFlashMap (
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IN EFI_FFS_FILE_HEADER *FfsHeader,
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IN EFI_PEI_SERVICES **PeiServices
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)
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/*++
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Routine Description:
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Build GUIDed HOBs for platform specific flash map
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Arguments:
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FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure.
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PeiServices - General purpose services available to every PEIM.
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Returns:
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EFI_STATUS
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--*/
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// TODO: EFI_SUCCESS - add return value to function comment
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{
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EFI_STATUS Status;
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UNIX_FWH_PPI *UnixFwhPpi;
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EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
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EFI_PHYSICAL_ADDRESS FdBase;
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UINT64 FdSize;
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DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));
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//
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// Get the Fwh Information PPI
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//
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Status = PeiServicesLocatePpi (
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&gUnixFwhPpiGuid, // GUID
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0, // INSTANCE
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&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
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(VOID **)&UnixFwhPpi // PPI
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Assume that FD0 contains the Flash map.
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//
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Status = UnixFwhPpi->UnixFwh (0, &FdBase, &FdSize);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdUnixFlashNvStorageVariableBase) + (UINT32) FdBase);
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PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdUnixFlashNvStorageFtwWorkingBase) + (UINT32) FdBase);
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PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdUnixFlashNvStorageFtwSpareBase) + (UINT32) FdBase);
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return EFI_SUCCESS;
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}
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