Nt32Pkg/Library/PlatformSecureLib/PlatformSecureLib.c

   1 /** @file
   2   Provides a platform-specific method to enable Secure Boot Custom Mode setup.
   3
   4   Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8 #include <Library/PcdLib.h>
   9
  10
  11 /**
  12
  13   This function provides a platform-specific method to detect whether the platform
  14   is operating by a physically present user.
  15
  16   Programmatic changing of platform security policy (such as disable Secure Boot,
  17   or switch between Standard/Custom Secure Boot mode) MUST NOT be possible during
  18   Boot Services or after exiting EFI Boot Services. Only a physically present user
  19   is allowed to perform these operations.
  20
  21   NOTE THAT: This function cannot depend on any EFI Variable Service since they are
  22   not available when this function is called in AuthenticateVariable driver.
  23
  24   @retval  TRUE       The platform is operated by a physically present user.
  25   @retval  FALSE      The platform is NOT operated by a physically present user.
  26
  27 **/
  28 BOOLEAN
  29 EFIAPI
  30 UserPhysicalPresent (
  31   VOID
  32   )
  33 {
  34   return TRUE;
  35 }