;------------------------------------------------------------------------------ ; ; Copyright (c) 2006 - 2008, 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: ; ; ScanMem8.Asm ; ; Abstract: ; ; ScanMem8 function ; ; Notes: ; ; The following BaseMemoryLib instances contain the same copy of this file: ; ; BaseMemoryLibRepStr ; BaseMemoryLibMmx ; BaseMemoryLibSse2 ; BaseMemoryLibOptDxe ; BaseMemoryLibOptPei ; ;------------------------------------------------------------------------------ .code ;------------------------------------------------------------------------------ ; CONST VOID * ; EFIAPI ; InternalMemScanMem8 ( ; IN CONST VOID *Buffer, ; IN UINTN Length, ; IN UINT8 Value ; ); ;------------------------------------------------------------------------------ InternalMemScanMem8 PROC USES rdi mov rdi, rcx mov rcx, rdx mov rax, r8 repne scasb lea rax, [rdi - 1] cmovnz rax, rcx ; set rax to 0 if not found ret InternalMemScanMem8 ENDP END