OvmfPkg/AmdSev/SecretPei/SecretPei.c

   1 /** @file
   2   SEV Secret boot time HOB placement
   3
   4   Copyright (C) 2020 James Bottomley, IBM Corporation.
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6 **/
   7 #include <Base.h>
   8 #include <PiPei.h>
   9 #include <Library/HobLib.h>
  10 #include <Library/PcdLib.h>
  11
  12 EFI_STATUS
  13 EFIAPI
  14 InitializeSecretPei (
  15   IN       EFI_PEI_FILE_HANDLE  FileHandle,
  16   IN CONST EFI_PEI_SERVICES     **PeiServices
  17   )
  18 {
  19   BuildMemoryAllocationHob (
  20     PcdGet32 (PcdSevLaunchSecretBase),
  21     ALIGN_VALUE (PcdGet32 (PcdSevLaunchSecretSize), EFI_PAGE_SIZE),
  22     EfiBootServicesData
  23     );
  24
  25   return EFI_SUCCESS;
  26 }