OvmfPkg/Library/XenHypercallLib/ArmXenHypercall.c

   1 /** @file
   2   Xen Hypercall Library implementation for ARM architecture
   3
   4   Copyright (C) 2015, Red Hat, Inc.
   5   Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
   6
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8 **/
   9
  10 #include <Base.h>
  11
  12 /**
  13   Check if the Xen Hypercall library is able to make calls to the Xen
  14   hypervisor.
  15
  16   Client code should call further functions in this library only if, and after,
  17   this function returns TRUE.
  18
  19   @retval TRUE   Hypercalls are available.
  20   @retval FALSE  Hypercalls are not available.
  21 **/
  22 BOOLEAN
  23 EFIAPI
  24 XenHypercallIsAvailable (
  25   VOID
  26   )
  27 {
  28   return TRUE;
  29 }
  30
  31 RETURN_STATUS
  32 EFIAPI
  33 XenHypercallLibInit (
  34   VOID
  35   )
  36 {
  37   return RETURN_SUCCESS;
  38 }