SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c

   1 /** @file
   2   NULL RpmcLib instance for build purpose.
   3
   4 Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Library/DebugLib.h>
  10 #include <Library/RpmcLib.h>
  11
  12 /**
  13   Requests the monotonic counter from the designated RPMC counter.
  14
  15   @param[out]   CounterValue            A pointer to a buffer to store the RPMC value.
  16
  17   @retval       EFI_SUCCESS             The operation completed successfully.
  18   @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
  19   @retval       EFI_UNSUPPORTED         The operation is un-supported.
  20 **/
  21 EFI_STATUS
  22 EFIAPI
  23 RequestMonotonicCounter (
  24   OUT UINT32  *CounterValue
  25   )
  26 {
  27   ASSERT (FALSE);
  28   return EFI_UNSUPPORTED;
  29 }
  30
  31 /**
  32   Increments the monotonic counter in the SPI flash device by 1.
  33
  34   @retval       EFI_SUCCESS             The operation completed successfully.
  35   @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
  36   @retval       EFI_UNSUPPORTED         The operation is un-supported.
  37 **/
  38 EFI_STATUS
  39 EFIAPI
  40 IncrementMonotonicCounter (
  41   VOID
  42   )
  43 {
  44   ASSERT (FALSE);
  45   return EFI_UNSUPPORTED;
  46 }