OvmfPkg/Library/XenHypercallLib/Aarch64/Hypercall.S

   1
   2 /** @file
   3   AArch64 implementation of XenHypercall2
   4
   5   Copyright (C) 2014, Linaro Ltd.
   6
   7   This program and the accompanying materials
   8   are licensed and made available under the terms and conditions of the BSD License
   9   which accompanies this distribution.  The full text of the license may be found at
  10   http://opensource.org/licenses/bsd-license.php
  11
  12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #include <IndustryStandard/Xen/arch-arm/xen.h>
  18
  19   .text
  20   .global   ASM_PFX(XenHypercall2)
  21 ASM_PFX(XenHypercall2):
  22   mov     x16, x0
  23   mov     x0, x1
  24   mov     x1, x2
  25   hvc     #XEN_HYPERCALL_TAG
  26   ret