mirror of https://github.com/acidanthera/audk.git
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*++
|
|
|
|
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
|
|
&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;
|
|
}
|
|
|