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;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; ScanMem64.Asm
;
; Abstract:
;
; ScanMem64 function
;
; Notes:
;
; The following BaseMemoryLib instances contain the same copy of this file:
;
; BaseMemoryLibRepStr
; BaseMemoryLibMmx
; BaseMemoryLibSse2
; BaseMemoryLibOptDxe
; BaseMemoryLibOptPei
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem64 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT64 Value
; );
;------------------------------------------------------------------------------
global ASM_PFX(InternalMemScanMem64)
ASM_PFX(InternalMemScanMem64):
push edi
mov ecx, [esp + 12]
mov eax, [esp + 16]
mov edx, [esp + 20]
mov edi, [esp + 8]
.0:
cmp eax, [edi]
lea edi, [edi + 8]
loopne .0
jne .1
cmp edx, [edi - 4]
jecxz .1
jne .0
.1:
lea eax, [edi - 8]
cmovne eax, ecx
pop edi
ret
|
