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 #include <Library/UefiDriverEntryPoint.h>
  22
  23 EFI_HANDLE  mPrintThunkHandle = NULL;
  24
  25 CONST EFI_PRINT2_PROTOCOL mPrint2Protocol = {
  26   UnicodeVSPrint,
  27   UnicodeSPrint,
  28   UnicodeVSPrintAsciiFormat,
  29   UnicodeSPrintAsciiFormat,
  30   UnicodeValueToString,
  31   AsciiVSPrint,
  32   AsciiSPrint,
  33   AsciiVSPrintUnicodeFormat,
  34   AsciiSPrintUnicodeFormat,
  35   AsciiValueToString
  36 };
  37
  38
  39 /**
  40   The user Entry Point for Print module.
  41
  42   This is the entry point for Print DXE Driver. It installs the Print2 Protocol.
  43
  44   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  45   @param[in] SystemTable    A pointer to the EFI System Table.
  46
  47   @retval EFI_SUCCESS       The entry point is executed successfully.
  48   @retval Others            Some error occurs when executing this entry point.
  49
  50 **/
  51 EFI_STATUS
  52 EFIAPI
  53 PrintEntryPoint (
  54   IN EFI_HANDLE           ImageHandle,
  55   IN EFI_SYSTEM_TABLE     *SystemTable
  56   )
  57 {
  58   EFI_STATUS  Status;
  59
  60   Status = gBS->InstallMultipleProtocolInterfaces (
  61                   &mPrintThunkHandle,
  62                   &gEfiPrint2ProtocolGuid, &mPrint2Protocol,
  63                   NULL
  64                   );
  65   ASSERT_EFI_ERROR (Status);
  66
  67   return Status;
  68 }