diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s')
| -rw-r--r-- | Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s b/Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s new file mode 100644 index 0000000000..91075bf7b3 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s @@ -0,0 +1,79 @@ +/// @file
+/// Contains an implementation of CallPalProcStacked on Itanium-based
+/// architecture.
+///
+/// Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>
+/// 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 CpuBreakpoint
+.type CpuBreakpoint, @function
+
+CpuBreakpoint::
+ break.i 0;;
+ br.ret.dpnt b0;;
+
+.endp CpuBreakpoint
+
+.proc MemoryFence
+.type MemoryFence, @function
+
+MemoryFence::
+ 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 MemoryFence
+
+.proc DisableInterrupts
+.type DisableInterrupts, @function
+
+DisableInterrupts::
+ rsm 0x4000
+ srlz.d;;
+ br.ret.dpnt b0;;
+
+.endp DisableInterrupts
+
+.proc EnableInterrupts
+.type EnableInterrupts, @function
+
+EnableInterrupts::
+ ssm 0x4000
+ srlz.d;;
+ br.ret.dpnt b0;;
+
+.endp EnableInterrupts
+
+.proc EnableDisableInterrupts
+.type EnableDisableInterrupts, @function
+
+EnableDisableInterrupts::
+ ssm 0x4000
+ srlz.d;;
+ srlz.i;;
+ rsm 0x4000
+ srlz.d;;
+
+ br.ret.dpnt b0;;
+
+.endp EnableDisableInterrupts
+
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