Nt32Pkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / Nt32Pkg / WinNtFlashMapPei / FlashMap.c

/**@file\r
\r
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
Module Name:\r
\r
  FlashMap.c\r
   \r
Abstract:\r
\r
  PEIM to build GUIDed HOBs for platform specific flash map\r
\r
**/\r
\r
//\r
// The package level header files this module uses\r
//\r
#include <PiPei.h>\r
\r
#include <WinNtPeim.h>\r
//\r
// The protocols, PPI and GUID defintions for this module\r
//\r
#include <Ppi/NtFwh.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/PeiServicesLib.h>\r
\r
EFI_STATUS\r
EFIAPI\r
PeimInitializeFlashMap (\r
  IN EFI_FFS_FILE_HEADER       *FfsHeader,\r
  IN EFI_PEI_SERVICES          **PeiServices\r
  )\r
/*++\r
\r
Routine Description:\r
  Build GUIDed HOBs for platform specific flash map\r
  \r
Arguments:\r
  FfsHeader   - A pointer to the EFI_FFS_FILE_HEADER structure.\r
  PeiServices - General purpose services available to every PEIM.\r
    \r
Returns:\r
  EFI_STATUS\r
\r
--*/\r
// TODO:    EFI_SUCCESS - add return value to function comment\r
{\r
  EFI_STATUS              Status;\r
  NT_FWH_PPI              *NtFwhPpi;\r
  EFI_PHYSICAL_ADDRESS    FdBase;\r
  UINT64                  FdSize;\r
  EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;\r
\r
  DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));\r
\r
  //\r
  // Get the Fwh Information PPI\r
  //\r
  Status = PeiServicesLocatePpi (\r
            &gNtFwhPpiGuid, // GUID\r
            0,              // INSTANCE\r
            &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
            (VOID**)&NtFwhPpi       // PPI\r
            );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // Assume that FD0 contains the Flash map.\r
  //\r
  Status = NtFwhPpi->NtFwh (0, &FdBase, &FdSize);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Relocate the base of FV region \r
  // \r
  if (FdBase >= BASE_4GB) {\r
    PcdSet64 (PcdFlashNvStorageVariableBase64, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT64) FdBase);\r
    PcdSet64 (PcdFlashNvStorageFtwWorkingBase64, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT64) FdBase);\r
    PcdSet64 (PcdFlashNvStorageFtwSpareBase64, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT64) FdBase);\r
  } else {\r
    PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT32) FdBase);\r
    PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT32) FdBase);\r
    PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT32) FdBase);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r