1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> 4 ; This program and the accompanying materials 5 ; are licensed and made available under the terms and conditions of the BSD License 6 ; which accompanies this distribution. The full text of the license may be found at 7 ; http://opensource.org/licenses/bsd-license.php. 8 ; 9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 ; 12 ; Module Name: 13 ; 14 ; ScanMem64.Asm 15 ; 16 ; Abstract: 17 ; 18 ; ScanMem64 function 19 ; 20 ; Notes: 21 ; 22 ; The following BaseMemoryLib instances contain the same copy of this file: 23 ; 24 ; BaseMemoryLibRepStr 25 ; BaseMemoryLibMmx 26 ; BaseMemoryLibSse2 27 ; BaseMemoryLibOptDxe 28 ; BaseMemoryLibOptPei 29 ; 30 ;------------------------------------------------------------------------------ 31 32 .686 33 .model flat,C 34 .code 35 36 ;------------------------------------------------------------------------------ 37 ; CONST VOID * 38 ; EFIAPI 39 ; InternalMemScanMem64 ( 40 ; IN CONST VOID *Buffer, 41 ; IN UINTN Length, 42 ; IN UINT64 Value 43 ; ); 44 ;------------------------------------------------------------------------------ 45 InternalMemScanMem64 PROC USES edi 46 mov ecx, [esp + 12] 47 mov eax, [esp + 16] 48 mov edx, [esp + 20] 49 mov edi, [esp + 8] 50 @@: 51 cmp eax, [edi] 52 lea edi, [edi + 8] 53 loopne @B 54 jne @F 55 cmp edx, [edi - 4] 56 jecxz @F 57 jne @B 58 @@: 59 lea eax, [edi - 8] 60 jz @F 61 mov eax, ecx 62 @@: 63 ret 64 InternalMemScanMem64 ENDP 65 66 END 67