diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/AsmCpuMisc.s')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/AsmCpuMisc.s | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/AsmCpuMisc.s b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/AsmCpuMisc.s new file mode 100644 index 0000000000..fbb19887cd --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ipf/AsmCpuMisc.s @@ -0,0 +1,44 @@ +/// @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
\ No newline at end of file |