EmulatorPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / EmulatorPkg / FirmwareVolumePei / FirmwareVolumePei.c

/*++ @file\r
\r
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
Portions copyright (c) 2011, Apple Inc. All rights reserved.\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "PiPei.h"\r
#include <Ppi/EmuThunk.h>\r
#include <Library/DebugLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PeiServicesTablePointerLib.h>\r
#include <Library/PcdLib.h>\r
\r
EFI_STATUS\r
EFIAPI\r
PeimInitializeFirmwareVolumePei (\r
  IN       EFI_PEI_FILE_HANDLE       FileHandle,\r
  IN CONST EFI_PEI_SERVICES          **PeiServices\r
  )\r
/*++\r
\r
Routine Description:\r
  Perform a call-back into the SEC simulator to get address of the Firmware Hub\r
\r
Arguments:\r
  FfsHeader   - Ffs Header available to every PEIM\r
  PeiServices - General purpose services available to every PEIM.\r
\r
Returns:\r
  None\r
\r
**/\r
{\r
  EFI_STATUS                  Status;\r
  EFI_PEI_PPI_DESCRIPTOR      *PpiDescriptor;\r
  EMU_THUNK_PPI               *Thunk;\r
  EFI_PHYSICAL_ADDRESS        FdBase;\r
  EFI_PHYSICAL_ADDRESS        FdFixUp;\r
  EFI_FIRMWARE_VOLUME_HEADER  *FvHeader;\r
  UINT64                      FdSize;\r
  UINTN                       Index;\r
\r
  DEBUG ((EFI_D_ERROR, "Unix Firmware Volume PEIM Loaded\n"));\r
\r
  //\r
  // Get the Fwh Information PPI\r
  //\r
  Status = PeiServicesLocatePpi (\r
              &gEmuThunkPpiGuid,  // GUID\r
              0,                  // INSTANCE\r
              &PpiDescriptor,     // EFI_PEI_PPI_DESCRIPTOR\r
              (VOID **)&Thunk     // PPI\r
              );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Index = 0;\r
  do {\r
    //\r
    // Get information about all the FD's in the system\r
    //\r
    Status = Thunk->FirmwareDevices (Index, &FdBase, &FdSize, &FdFixUp);\r
    if (!EFI_ERROR (Status)) {\r
      //\r
      // Assume the FD starts with an FV header\r
      //\r
      FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;\r
\r
      //\r
      // Make an FV Hob for the first FV in the FD\r
      //\r
      BuildFvHob (FdBase, FvHeader->FvLength);\r
\r
      if (Index == 0) {\r
        //\r
        // Assume the first FD was produced by the NT32.DSC\r
        //  All these strange offests are needed to keep in\r
        //  sync with the FlashMap and NT32.dsc file\r
        //\r
        BuildResourceDescriptorHob (\r
          EFI_RESOURCE_FIRMWARE_DEVICE,\r
          (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
          FdBase,\r
          (\r
            FvHeader->FvLength +\r
            PcdGet32 (PcdFlashNvStorageVariableSize) +\r
            PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
            PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
            PcdGet32 (PcdEmuFlashNvStorageEventLogSize)\r
          )\r
        );\r
\r
        //\r
        // Hard code the address of the spare block and variable services.\r
        //  Assume it's a hard coded offset from FV0 in FD0.\r
        //\r
        FdSize  =\r
          PcdGet32 (PcdFlashNvStorageVariableSize) +\r
          PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
          PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
          PcdGet32 (PcdEmuFlashNvStorageEventLogSize);\r
\r
        BuildFvHob (FdFixUp + PcdGet64 (PcdEmuFlashNvStorageVariableBase), FdSize);\r
      } else {\r
        //\r
        // For other FD's just map them in.\r
        //\r
        BuildResourceDescriptorHob (\r
          EFI_RESOURCE_FIRMWARE_DEVICE,\r
          (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
          FdBase,\r
          FdSize\r
          );\r
      }\r
    }\r
\r
    Index++;\r
  } while (!EFI_ERROR (Status));\r
\r
  return Status;\r
}\r