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4 years ago
;------------------------------------------------------------------------------
;
; Copyright (c) 2006, 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:
;
; SetMem16.nasm
;
; Abstract:
;
; SetMem16 function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; VOID *
; EFIAPI
; InternalMemSetMem16 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT16 Value
; )
;------------------------------------------------------------------------------
global ASM_PFX(InternalMemSetMem16)
ASM_PFX(InternalMemSetMem16):
push edi
mov eax, [esp + 16]
shrd edx, eax, 16
shld eax, edx, 16
mov edx, [esp + 12]
mov edi, [esp + 8]
mov ecx, edx
and edx, 3
shr ecx, 2
jz @SetWords
movd mm0, eax
movd mm1, eax
psllq mm0, 32
por mm0, mm1
.0:
movq [edi], mm0
add edi, 8
loop .0
@SetWords:
mov ecx, edx
rep stosw
mov eax, [esp + 8]
pop edi
ret