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-rw-r--r--OldMdePkg/Library/BaseLib/X64/WriteMsr64.asm41
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diff --git a/OldMdePkg/Library/BaseLib/X64/WriteMsr64.asm b/OldMdePkg/Library/BaseLib/X64/WriteMsr64.asm
deleted file mode 100644
index b7704b8185..0000000000
--- a/OldMdePkg/Library/BaseLib/X64/WriteMsr64.asm
+++ /dev/null
@@ -1,41 +0,0 @@
-;------------------------------------------------------------------------------
-;
-; Copyright (c) 2006, 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:
-;
-; WriteMsr64.Asm
-;
-; Abstract:
-;
-; AsmWriteMsr64 function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
- .code
-
-;------------------------------------------------------------------------------
-; UINT64
-; EFIAPI
-; AsmWriteMsr64 (
-; IN UINT32 Index,
-; IN UINT64 Value
-; );
-;------------------------------------------------------------------------------
-AsmWriteMsr64 PROC
- mov rax, rdx ; meanwhile, rax <- return value
- shr rdx, 20h ; edx:eax contains the value to write
- wrmsr
- ret
-AsmWriteMsr64 ENDP
-
- END