1) Add in EcpEfiBreakPoint and EcpMemoryFence which will be defined as EFI_BREAKPOINT...

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / Dxe / EfiDriverLib / Ipf / AsmCpuMisc.s

diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/Ipf/AsmCpuMisc.s b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/Ipf/AsmCpuMisc.s
new file mode 100644 (file)
index 0000000..fbb1988
--- /dev/null
+++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiDriverLib/Ipf/AsmCpuMisc.s
@@ -0,0 +1,44 @@
+/// @file\r
+///   Contains an implementation of EcpEfiBreakPoint and EcpMemoryFence on Itanium-based\r
+///   architecture.\r
+///\r
+/// Copyright (c) 2008, Intel Corporation\r
+/// All rights reserved. This program and the accompanying materials\r
+/// are licensed and made available under the terms and conditions of the BSD License\r
+/// which accompanies this distribution.  The full text of the license may be found at\r
+/// http://opensource.org/licenses/bsd-license.php\r
+///\r
+/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+///\r
+/// Module Name:  AsmCpuMisc.s\r
+///\r
+///\r
+\r
+\r
+.text\r
+.proc EcpEfiBreakPoint\r
+.type EcpEfiBreakPoint, @function\r
+\r
+EcpEfiBreakPoint::\r
+        break.i 0;;\r
+        br.ret.dpnt    b0;;\r
+\r
+.endp EcpEfiBreakPoint\r
+\r
+.proc EcpMemoryFence\r
+.type EcpMemoryFence, @function\r
+\r
+EcpMemoryFence::\r
+        mf;;    // memory access ordering\r
+\r
+        // do we need the mf.a also here?\r
+        mf.a    // wait for any IO to complete?\r
+        \r
+        // not sure if we need serialization here, just put it, in case...\r
+        \r
+        srlz.d;;\r
+        srlz.i;;\r
+        \r
+        br.ret.dpnt    b0;;\r
+.endp EcpMemoryFence
\ No newline at end of file