1 files changed, 62 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm
new file mode 100644
index 0000000..ae4e6ce
--- /dev/null
+++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/Ia32/ScanMem64.asm
@@ -0,0 +1,62 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;   ScanMem64.Asm
+;
+; Abstract:
+;
+;   ScanMem64 function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances share the same version of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+    .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