MdeModulePkg/Universal/PrintDxe/Print.c

   1 /** @file
   2   This driver produces Print2 protocol layered on top of the PrintLib from the MdePkg.
   3
   4 Copyright (c) 2009, Intel Corporation. <BR>
   5 All rights reserved. This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <PiDxe.h>
  16
  17 #include <Protocol/Print2.h>
  18 #include <Library/PrintLib.h>
  19 #include <Library/UefiBootServicesTableLib.h>
  20 #include <Library/DebugLib.h>
  21
  22 EFI_HANDLE  mPrintThunkHandle = NULL;
  23
  24 CONST EFI_PRINT2_PROTOCOL mPrint2Protocol = {
  25   UnicodeVSPrint,
  26   UnicodeSPrint,
  27   UnicodeVSPrintAsciiFormat,
  28   UnicodeSPrintAsciiFormat,
  29   UnicodeValueToString,
  30   AsciiVSPrint,
  31   AsciiSPrint,
  32   AsciiVSPrintUnicodeFormat,
  33   AsciiSPrintUnicodeFormat,
  34   AsciiValueToString
  35 };
  36
  37
  38 /**
  39   The user Entry Point for Print module.
  40
  41   This is the entry point for Print DXE Driver. It installs the Print2 Protocol.
  42
  43   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  44   @param[in] SystemTable    A pointer to the EFI System Table.
  45
  46   @retval EFI_SUCCESS       The entry point is executed successfully.
  47   @retval Others            Some error occurs when executing this entry point.
  48
  49 **/
  50 EFI_STATUS
  51 EFIAPI
  52 PrintEntryPoint (
  53   IN EFI_HANDLE           ImageHandle,
  54   IN EFI_SYSTEM_TABLE     *SystemTable
  55   )
  56 {
  57   EFI_STATUS  Status;
  58
  59   Status = gBS->InstallMultipleProtocolInterfaces (
  60                   &mPrintThunkHandle,
  61                   &gEfiPrint2ProtocolGuid, &mPrint2Protocol,
  62                   NULL
  63                   );
  64   ASSERT_EFI_ERROR (Status);
  65
  66   return Status;
  67 }