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| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-08-20 22:19:25 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-08-20 22:19:25 +0000 |
| commit | 44f5e74f28c250e83a9917b22bc43a74f45e00fa (patch) | |
| tree | dfdda04af066b4abc9cf7c3558aab49002ad4bfc /MdePkg | |
| parent | d4775f2a4c46a1ff5cda0724079f25aa302b06bd (diff) | |
| download | edk2-44f5e74f28c250e83a9917b22bc43a74f45e00fa.tar.gz edk2-44f5e74f28c250e83a9917b22bc43a74f45e00fa.tar.bz2 edk2-44f5e74f28c250e83a9917b22bc43a74f45e00fa.zip | |
edk2/MdePkg/Library/BaseLib/BaseLib.inf:
edk2/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s:
* Add GCC IPF implementation of CpuBreakpoint, MemoryFence,
DisableInterrupts, EnableInterrupts, and EnableDisableInterrupts.
(Thanks Vara!)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5701 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 1 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s | 79 |
2 files changed, 80 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index b474857eee..fd724f606b 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -568,6 +568,7 @@ ChkStkGcc.c | GCC
[Sources.IPF]
+ Ipf/AsmCpuMisc.s
Ipf/AccessGp.s
Ipf/ReadCpuid.s
Ipf/ExecFc.s
diff --git a/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s b/MdePkg/Library/BaseLib/Ipf/AsmCpuMisc.s new file mode 100644 index 0000000000..83de3ec89c --- /dev/null +++ b/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. 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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