ShellPkg/Library/UefiShellInstall1CommandsLib/UefiShellInstall1CommandsLib.c

   1 /** @file
   2   Main file for NULL named library for install1 shell command functions.
   3
   4   Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
   5   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 <Library/BcfgCommandLib.h>
  16
  17 /**
  18   Constructor for the Shell Level 1 Commands library.
  19
  20   Install the handlers for level 1 UEFI Shell 2.0 commands.
  21
  22   @param ImageHandle    the image handle of the process
  23   @param SystemTable    the EFI System Table pointer
  24
  25   @retval EFI_SUCCESS        the shell command handlers were installed sucessfully
  26   @retval EFI_UNSUPPORTED    the shell level required was not found.
  27 **/
  28 EFI_STATUS
  29 EFIAPI
  30 ShellInstall1CommandsLibConstructor (
  31   IN EFI_HANDLE        ImageHandle,
  32   IN EFI_SYSTEM_TABLE  *SystemTable
  33   )
  34 {
  35   //
  36   // check our bit of the profiles mask
  37   //
  38   if ((PcdGet8(PcdShellProfileMask) & BIT2) == 0) {
  39     return (EFI_SUCCESS);
  40   }
  41
  42   return (BcfgLibraryRegisterBcfgCommand(ImageHandle, SystemTable, L"Install1"));
  43 }
  44
  45 /**
  46   Destructor for the library.  free any resources.
  47
  48   @param ImageHandle            The image handle of the process.
  49   @param SystemTable            The EFI System Table pointer.
  50 **/
  51 EFI_STATUS
  52 EFIAPI
  53 ShellInstall1CommandsLibDestructor (
  54   IN EFI_HANDLE        ImageHandle,
  55   IN EFI_SYSTEM_TABLE  *SystemTable
  56   )
  57 {
  58   return (BcfgLibraryUnregisterBcfgCommand(ImageHandle, SystemTable));
  59 }