mirror of https://github.com/acidanthera/audk.git
56 lines
1.6 KiB
NASM
56 lines
1.6 KiB
NASM
|
;------------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
||
|
|
; 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:
|
||
|
|
;
|
||
|
|
; ScanMem16.Asm
|
||
|
|
;
|
||
|
|
; Abstract:
|
||
|
|
;
|
||
|
|
; ScanMem16 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
|
||
|
|
; InternalMemScanMem16 (
|
||
|
|
; IN CONST VOID *Buffer,
|
||
|
|
; IN UINTN Length,
|
||
|
|
; IN UINT16 Value
|
||
|
|
; );
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
global ASM_PFX(InternalMemScanMem16)
|
||
|
|
ASM_PFX(InternalMemScanMem16):
|
||
|
|
push rdi
|
||
|
|
mov rdi, rcx
|
||
|
|
mov rax, r8
|
||
|
|
mov rcx, rdx
|
||
|
|
repne scasw
|
||
|
|
lea rax, [rdi - 2]
|
||
|
|
cmovnz rax, rcx
|
||
|
|
pop rdi
|
||
|
|
ret
|
||
|
|
|