1 files changed, 110 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Lib/IA32/ms_shift.asm b/src/vendorcode/amd/agesa/Lib/IA32/ms_shift.asm
new file mode 100644
index 0000000000..3eb51134d5
--- /dev/null
+++ b/src/vendorcode/amd/agesa/Lib/IA32/ms_shift.asm
@@ -0,0 +1,110 @@
+;/**
+; * @file
+; *
+; * Agesa library 32bit
+; *
+; * Contains AMD AGESA Library
+; *
+; * @xrefitem bom "File Content Label" "Release Content"
+; * @e project:      AGESA
+; * @e sub-project:  Lib
+; * @e \$Revision: 9201 $   @e \$Date: 2008-10-31 03:36:20 -0500 (Fri, 31 Oct 2008) $
+; */
+;*****************************************************************************
+; 
+;  Copyright (c) 2011, Advanced Micro Devices, Inc.
+;  All rights reserved.
+;  
+;  Redistribution and use in source and binary forms, with or without
+;  modification, are permitted provided that the following conditions are met:
+;      * Redistributions of source code must retain the above copyright
+;        notice, this list of conditions and the following disclaimer.
+;      * Redistributions in binary form must reproduce the above copyright
+;        notice, this list of conditions and the following disclaimer in the
+;        documentation and/or other materials provided with the distribution.
+;      * Neither the name of Advanced Micro Devices, Inc. nor the names of 
+;        its contributors may be used to endorse or promote products derived 
+;        from this software without specific prior written permission.
+;  
+;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+;  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+;  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;  DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+;  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+;  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+;  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+;  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;  
+;*****************************************************************************
+
+.586p
+.model  flat
+ASSUME FS:NOTHING
+.code
+;/*++
+;
+;Routine Description:
+;
+;  Shifts a UINT64 to the right.
+;
+;Arguments:
+;
+;  EDX:EAX - UINT64 value to be shifted
+;  CL -      Shift count
+;
+;Returns:
+;
+;  EDX:EAX - shifted value
+;
+;--*/
+_aullshr  PROC NEAR C PUBLIC
+        .if (cl < 64)
+            .if (cl >= 32)
+                sub    cl, 32
+                mov    eax, edx
+                xor    edx, edx
+            .endif
+            shrd   eax, edx, cl
+            shr    edx, cl
+        .else
+            xor    eax, eax
+            xor    edx, edx
+        .endif
+        ret
+_aullshr ENDP
+
+;/*++
+;
+;Routine Description:
+;
+;  Shifts a UINT64 to the left.
+;
+;Arguments:
+;
+;  EDX:EAX - UINT64 value to be shifted
+;  CL -      Shift count
+;
+;Returns:
+;
+;  EDX:EAX - shifted value
+;
+;--*/
+_allshl  PROC NEAR C PUBLIC USES CX
+        .if (cl < 64)
+            .if (cl >= 32)
+                sub    cl, 32
+                mov    edx, eax
+                xor    eax, eax
+            .endif
+            shld   edx, eax, cl
+            shl    eax, cl
+        .else
+            xor    eax, eax
+            xor    edx, edx
+        .endif
+        ret
+_allshl ENDP
+
+END