;------------------------------------------------------------------------------ | |
; | |
; 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 | |