Import BaseMemoryLibMmx.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3407 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
63
MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm
Normal file
63
MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm
Normal file
@@ -0,0 +1,63 @@
|
||||
;------------------------------------------------------------------------------
|
||||
;
|
||||
; Copyright (c) 2006, Intel Corporation
|
||||
; All rights reserved. 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.asm
|
||||
;
|
||||
; Abstract:
|
||||
;
|
||||
; SetMem16 function
|
||||
;
|
||||
; Notes:
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
.686
|
||||
.model flat,C
|
||||
.mmx
|
||||
.code
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID *
|
||||
; EFIAPI
|
||||
; InternalMemSetMem16 (
|
||||
; IN VOID *Buffer,
|
||||
; IN UINTN Count,
|
||||
; IN UINT16 Value
|
||||
; )
|
||||
;------------------------------------------------------------------------------
|
||||
InternalMemSetMem16 PROC USES 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
|
||||
@@:
|
||||
movq [edi], mm0
|
||||
add edi, 8
|
||||
loop @B
|
||||
@SetWords:
|
||||
mov ecx, edx
|
||||
rep stosw
|
||||
mov eax, [esp + 8]
|
||||
ret
|
||||
InternalMemSetMem16 ENDP
|
||||
|
||||
END
|
Reference in New Issue
Block a user