OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S

   1 /** @file
   2   ARM (AArch32) implementation of XenHypercall2
   3
   4   Copyright (C) 2014, Linaro Ltd.
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include <IndustryStandard/Xen/arch-arm/xen.h>
  11
  12   .text
  13   .arch_extension virt
  14
  15 GCC_ASM_EXPORT(XenHypercall2)
  16
  17 ASM_PFX(XenHypercall2):
  18   mov     r12, r0
  19   mov     r0, r1
  20   mov     r1, r2
  21   hvc     #XEN_HYPERCALL_TAG
  22   bx      lr