From 1760cf81e4b1847c6823ea3514a78dd120e19b6e Mon Sep 17 00:00:00 2001
From: Guo Mang <mang.guo@intel.com>
Date: Thu, 22 Dec 2016 15:57:14 +0800
Subject: MdePkg: Move to new location

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
---
 .../Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Core/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm

(limited to 'Core/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm')

diff --git a/Core/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm b/Core/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm
new file mode 100644
index 0000000000..0a0f5d0468
--- /dev/null
+++ b/Core/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.asm
@@ -0,0 +1,64 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 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:
+;
+;   ScanMem64.Asm
+;
+; Abstract:
+;
+;   ScanMem64 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances contain the same copy of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;       BaseMemoryLibOptDxe
+;       BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem64 (
+;   IN      CONST VOID                *Buffer,
+;   IN      UINTN                     Length,
+;   IN      UINT64                    Value
+;   );
+;------------------------------------------------------------------------------
+InternalMemScanMem64    PROC    USES    edi
+    mov     ecx, [esp + 12]
+    mov     eax, [esp + 16]
+    mov     edx, [esp + 20]
+    mov     edi, [esp + 8]
+@@:
+    cmp     eax, [edi]
+    lea     edi, [edi + 8]
+    loopne  @B
+    jne     @F
+    cmp     edx, [edi - 4]
+    jecxz   @F
+    jne     @B
+@@:
+    lea     eax, [edi - 8]
+    cmovne  eax, ecx
+    ret
+InternalMemScanMem64    ENDP
+
+    END
-- 
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