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   An internal OpenSSL function which fetches a local copy of the hardware
  13   capability flags.
  14
  15 **/
  16 extern
  17 VOID
  18 OPENSSL_cpuid_setup (
  19   VOID
  20   );
  21
  22 /**
  23   Constructor routine for OpensslLib.
  24
  25   The constructor calls an internal OpenSSL function which fetches a local copy
  26   of the hardware capability flags, used to enable native crypto instructions.
  27
  28   @param  None
  29
  30   @retval EFI_SUCCESS         The construction succeeded.
  31
  32 **/
  33 EFI_STATUS
  34 EFIAPI
  35 OpensslLibConstructor (
  36   VOID
  37   )
  38 {
  39   OPENSSL_cpuid_setup ();
  40
  41   return EFI_SUCCESS;
  42 }