From 8facd18f30d5cb1650449c2b45ad746536ffa8a1 Mon Sep 17 00:00:00 2001
From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 1 Sep 2009 14:57:18 +0000
Subject: Split AsmReadKr7() and AsmWriteKr7() from AccessKr.s file since these
 two APIs are frequently used to store/fetch PeiServicesTable pointer for IPF
 platform. Some compiler/linker with /Od is not smart enough to remove used KR
 registers access APIs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9219 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Library/BaseLib/BaseLib.inf     |  1 +
 MdePkg/Library/BaseLib/Ipf/AccessKr.s  | 52 ++--------------------------
 MdePkg/Library/BaseLib/Ipf/AccessKr7.s | 63 ++++++++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+), 50 deletions(-)
 create mode 100644 MdePkg/Library/BaseLib/Ipf/AccessKr7.s

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 849cfcb4d8..7db361fe69 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -553,6 +553,7 @@
   Ipf/AccessPsr.s
   Ipf/AccessPmr.s
   Ipf/AccessKr.s
+  Ipf/AccessKr7.s
   Ipf/AccessGcr.s
   Ipf/AccessEicr.s
   Ipf/AccessDbr.s
diff --git a/MdePkg/Library/BaseLib/Ipf/AccessKr.s b/MdePkg/Library/BaseLib/Ipf/AccessKr.s
index e95059a2cf..63137017e0 100644
--- a/MdePkg/Library/BaseLib/Ipf/AccessKr.s
+++ b/MdePkg/Library/BaseLib/Ipf/AccessKr.s
@@ -1,7 +1,7 @@
 /// @file
-///  IPF specific AsmReadKrX() and AsmWriteKrX functions, 'X' is from '0' to '7'
+///  IPF specific AsmReadKrX() and AsmWriteKrX() functions, 'X' is from '0' to '6'
 ///
-/// Copyright (c) 2006 - 2008, Intel Corporation
+/// Copyright (c) 2006 - 2009, 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
@@ -358,51 +358,3 @@ AsmWriteKr6::
         mov             r8 = in0;;
         br.ret.dpnt     b0;;
 .endp   AsmWriteKr6
-
-
-//---------------------------------------------------------------------------------
-//++
-// AsmReadKr7
-//
-// This routine is used to get KR7.
-//
-// Arguments :
-//
-// On Entry :  None.
-//
-// Return Value: The value store in KR7.
-//
-//--
-//----------------------------------------------------------------------------------
-.text
-.type   AsmReadKr7, @function
-.proc   AsmReadKr7
-
-AsmReadKr7::
-        mov             r8 = ar.k7;;
-        br.ret.dpnt     b0;;
-.endp   AsmReadKr7
-
-//---------------------------------------------------------------------------------
-//++
-// AsmWriteKr7
-//
-// This routine is used to write KR7.
-//
-// Arguments :
-//
-// On Entry :  None.
-//
-// Return Value: The value written to the KR7.
-//
-//--
-//----------------------------------------------------------------------------------
-.text
-.type   AsmWriteKr7, @function
-.proc   AsmWriteKr7
-
-AsmWriteKr7::
-        mov             ar.k7 = in0
-        mov             r8 = in0;;
-        br.ret.dpnt     b0;;
-.endp   AsmWriteKr7
diff --git a/MdePkg/Library/BaseLib/Ipf/AccessKr7.s b/MdePkg/Library/BaseLib/Ipf/AccessKr7.s
new file mode 100644
index 0000000000..d422d76df3
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ipf/AccessKr7.s
@@ -0,0 +1,63 @@
+/// @file
+///  IPF specific AsmReadKr7() and AsmWriteKr7()
+///
+/// Copyright (c) 2006 - 2009, 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: AccessKr7.s
+///
+///
+
+//---------------------------------------------------------------------------------
+//++
+// AsmReadKr7
+//
+// This routine is used to get KR7.
+//
+// Arguments :
+//
+// On Entry :  None.
+//
+// Return Value: The value store in KR7.
+//
+//--
+//----------------------------------------------------------------------------------
+.text
+.type   AsmReadKr7, @function
+.proc   AsmReadKr7
+
+AsmReadKr7::
+        mov             r8 = ar.k7;;
+        br.ret.dpnt     b0;;
+.endp   AsmReadKr7
+
+//---------------------------------------------------------------------------------
+//++
+// AsmWriteKr7
+//
+// This routine is used to write KR7.
+//
+// Arguments :
+//
+// On Entry :  None.
+//
+// Return Value: The value written to the KR7.
+//
+//--
+//----------------------------------------------------------------------------------
+.text
+.type   AsmWriteKr7, @function
+.proc   AsmWriteKr7
+.regstk 1, 3, 0, 0
+
+AsmWriteKr7::
+        mov             ar.k7 = in0
+        mov             r8 = in0;;
+        br.ret.dpnt     b0;;
+.endp   AsmWriteKr7
-- 
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