;------------------------------------------------------------------------------ | |
; | |
; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
; Module Name: | |
; | |
; ScanMem32.Asm | |
; | |
; Abstract: | |
; | |
; ScanMem32 function | |
; | |
; Notes: | |
; | |
; The following BaseMemoryLib instances contain the same copy of this file: | |
; | |
; BaseMemoryLibRepStr | |
; BaseMemoryLibMmx | |
; BaseMemoryLibSse2 | |
; BaseMemoryLibOptDxe | |
; BaseMemoryLibOptPei | |
; | |
;------------------------------------------------------------------------------ | |
SECTION .text | |
;------------------------------------------------------------------------------ | |
; CONST VOID * | |
; EFIAPI | |
; InternalMemScanMem32 ( | |
; IN CONST VOID *Buffer, | |
; IN UINTN Length, | |
; IN UINT32 Value | |
; ); | |
;------------------------------------------------------------------------------ | |
global ASM_PFX(InternalMemScanMem32) | |
ASM_PFX(InternalMemScanMem32): | |
push edi | |
mov ecx, [esp + 12] | |
mov edi, [esp + 8] | |
mov eax, [esp + 16] | |
repne scasd | |
lea eax, [edi - 4] | |
jz .0 | |
mov eax, ecx | |
.0: | |
pop edi | |
ret | |