EmulatorPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / EmulatorPkg / EmuThunkDxe / EmuThunk.c

/*++ @file\r
\r
Copyright (c) 2006, 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 <PiDxe.h>\r
\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/EmuThunk.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/EmuThunkLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DevicePathLib.h>\r
\r
//\r
// EmuThunk Device Path Protocol Instance\r
//\r
EMU_THUNK_DEVICE_PATH mEmuThunkDevicePath = {\r
  {\r
    {\r
      {\r
        HARDWARE_DEVICE_PATH,\r
        HW_VENDOR_DP,\r
        {\r
          (UINT8) (sizeof (EMU_VENDOR_DEVICE_PATH_NODE)),\r
          (UINT8) ((sizeof (EMU_VENDOR_DEVICE_PATH_NODE)) >> 8)\r
        }\r
      },\r
      EMU_THUNK_PROTOCOL_GUID\r
    },\r
    0\r
  },\r
  {\r
    END_DEVICE_PATH_TYPE,\r
    END_ENTIRE_DEVICE_PATH_SUBTYPE,\r
    {\r
      END_DEVICE_PATH_LENGTH,\r
      0\r
    }\r
  }\r
};\r
\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeEmuThunk (\r
  IN EFI_HANDLE                            ImageHandle,\r
  IN EFI_SYSTEM_TABLE                      *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
  Install UnixThunk Protocol and it's associated Device Path protocol\r
\r
Arguments:\r
  (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r
\r
Returns:\r
  EFI_SUCEESS - UnixThunk protocol is added or error status from\r
                gBS->InstallMultiProtocolInterfaces().\r
\r
**/\r
{\r
  EFI_STATUS  Status;\r
  EFI_HANDLE  Handle;\r
\r
  Handle = NULL;\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &Handle,\r
                  &gEmuThunkProtocolGuid,       gEmuThunk,\r
                  &gEfiDevicePathProtocolGuid,  &mEmuThunkDevicePath,\r
                  NULL\r
                  );\r
\r
  return Status;\r
}\r