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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
| ;
| ;------------------------------------------------------------------------------
|
| DEFAULT REL
| SECTION .text
|
| ;------------------------------------------------------------------------------
| ; CONST VOID *
| ; EFIAPI
| ; InternalMemScanMem64 (
| ; IN CONST VOID *Buffer,
| ; IN UINTN Length,
| ; IN UINT64 Value
| ; );
| ;------------------------------------------------------------------------------
| global ASM_PFX(InternalMemScanMem64)
| ASM_PFX(InternalMemScanMem64):
| push rdi
| mov rdi, rcx
| mov rax, r8
| mov rcx, rdx
| repne scasq
| lea rax, [rdi - 8]
| cmovnz rax, rcx
| pop rdi
| ret
|
|
|
