--- /dev/null
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution. The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+; Module Name:\r
+;\r
+; ScanMem64.Asm\r
+;\r
+; Abstract:\r
+;\r
+; ScanMem64 function\r
+;\r
+; Notes:\r
+;\r
+; The following BaseMemoryLib instances contain the same copy of this file:\r
+;\r
+; BaseMemoryLibRepStr\r
+; BaseMemoryLibMmx\r
+; BaseMemoryLibSse2\r
+; BaseMemoryLibOptDxe\r
+; BaseMemoryLibOptPei\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+ SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; CONST VOID *\r
+; EFIAPI\r
+; InternalMemScanMem64 (\r
+; IN CONST VOID *Buffer,\r
+; IN UINTN Length,\r
+; IN UINT64 Value\r
+; );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalMemScanMem64)\r
+ASM_PFX(InternalMemScanMem64):\r
+ push edi\r
+ mov ecx, [esp + 12]\r
+ mov eax, [esp + 16]\r
+ mov edx, [esp + 20]\r
+ mov edi, [esp + 8]\r
+.0:\r
+ cmp eax, [edi]\r
+ lea edi, [edi + 8]\r
+ loopne .0\r
+ jne .1\r
+ cmp edx, [edi - 4]\r
+ jecxz .1\r
+ jne .0\r
+.1:\r
+ lea eax, [edi - 8]\r
+ cmovne eax, ecx\r
+ pop edi\r
+ ret\r
+\r