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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
|
|
|
