mirror of https://github.com/acidanthera/audk.git
44 lines
1.2 KiB
ArmAsm
44 lines
1.2 KiB
ArmAsm
/// @file
|
|
/// Contains an implementation of EcpEfiBreakPoint and EcpMemoryFence on Itanium-based
|
|
/// architecture.
|
|
///
|
|
/// Copyright (c) 2008, Intel Corporation
|
|
/// All rights reserved. This program and the accompanying materials
|
|
/// are licensed and made available under the terms and conditions of the BSD License
|
|
/// which 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.
|
|
///
|
|
/// Module Name: AsmCpuMisc.s
|
|
///
|
|
///
|
|
|
|
|
|
.text
|
|
.proc EcpEfiBreakPoint
|
|
.type EcpEfiBreakPoint, @function
|
|
|
|
EcpEfiBreakPoint::
|
|
break.i 0;;
|
|
br.ret.dpnt b0;;
|
|
|
|
.endp EcpEfiBreakPoint
|
|
|
|
.proc EcpMemoryFence
|
|
.type EcpMemoryFence, @function
|
|
|
|
EcpMemoryFence::
|
|
mf;; // memory access ordering
|
|
|
|
// do we need the mf.a also here?
|
|
mf.a // wait for any IO to complete?
|
|
|
|
// not sure if we need serialization here, just put it, in case...
|
|
|
|
srlz.d;;
|
|
srlz.i;;
|
|
|
|
br.ret.dpnt b0;;
|
|
.endp EcpMemoryFence
|