CryptoPkg/Library/OpensslLib/OpensslLibConstructor.c

   1 /** @file
   2   Constructor to initialize CPUID data for OpenSSL assembly operations.
   3
   4 Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Uefi.h>
  10
  11
  12 /**
  13   An internal OpenSSL function which fetches a local copy of the hardware
  14   capability flags.
  15
  16 **/
  17 extern
  18 VOID
  19 OPENSSL_cpuid_setup (
  20   VOID
  21   );
  22
  23 /**
  24   Constructor routine for OpensslLib.
  25
  26   The constructor calls an internal OpenSSL function which fetches a local copy
  27   of the hardware capability flags, used to enable native crypto instructions.
  28
  29   @param  None
  30
  31   @retval EFI_SUCCESS         The construction succeeded.
  32
  33 **/
  34 EFI_STATUS
  35 EFIAPI
  36 OpensslLibConstructor (
  37   VOID
  38   )
  39 {
  40   OPENSSL_cpuid_setup ();
  41
  42   return EFI_SUCCESS;
  43 }
  44