audk/OvmfPkg/Library/XenHypercallLib/ArmXenHypercall.c

45 lines
1.1 KiB
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;
}