audk/OvmfPkg/Library/XenHypercallLib/ArmXenHypercall.c

/** @file
  Xen Hypercall Library implementation for ARM architecture

  Copyright (C) 2015, Red Hat, Inc.
  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>

  This program and the accompanying materials are licensed and made available
  under the terms and conditions of the BSD License that accompanies this
  distribution. The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php.

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/

#include <Base.h>

/**
  Check if the Xen Hypercall library is able to make calls to the Xen
  hypervisor.

  Client code should call further functions in this library only if, and after,
  this function returns TRUE.

  @retval TRUE   Hypercalls are available.
  @retval FALSE  Hypercalls are not available.
**/
BOOLEAN
EFIAPI
XenHypercallIsAvailable (
  VOID
  )
{
  return TRUE;
}

RETURN_STATUS
EFIAPI
XenHypercallLibInit (
  VOID
  )
{
  return RETURN_SUCCESS;
}