2 // Copyright (c) 2012-2014, ARM Limited. All rights reserved.
3 // Copyright (c) 2014-2016, Linaro Limited. All rights reserved.
5 // This program and the accompanying materials
6 // are licensed and made available under the terms and conditions of the BSD License
7 // which accompanies this distribution. The full text of the license may be found at
8 // http://opensource.org/licenses/bsd-license.php
10 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include <AsmMacroIoLib.h>
21 // r0 will be popped just after the HVC call
24 // Load the HVC arguments values into the appropriate registers
36 // Pop the ARM_HVC_ARGS structure address from the stack into r8
39 // Load the HVC returned values into the appropriate registers
40 // A HVC call can return up to 4 values - we do not need to store back r4-r7.
48 // Restore the registers r4-r8