diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
| commit | e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8 (patch) | |
| tree | 32d74f9463f0b5c6a28ff6aff73709219d437604 /MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm | |
| parent | e053747a04ad7b8d71c7593b93e1575ba0057a91 (diff) | |
| download | edk2-platforms-e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8.tar.xz | |
Import some basic libraries instances for Mde Packages.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2704 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm new file mode 100644 index 0000000000..8f1ebe4cdb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm @@ -0,0 +1,69 @@ +//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; SetMem64.asm
+;
+; Abstract:
+;
+; SetMem64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem64 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT64 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem64 PROC
+ mov eax, [esp + 4] ; eax <- Buffer
+ mov ecx, [esp + 8] ; ecx <- Count
+ test al, 8
+ mov edx, eax
+ movq xmm0, [esp + 12]
+ jz @F
+ movq [edx], xmm0
+ add edx, 8
+ dec ecx
+@@:
+ shr ecx, 1
+ jz @SetQwords
+ movlhps xmm0, xmm0
+@@:
+ movntdq [edx], xmm0
+ lea edx, [edx + 16]
+ loop @B
+ mfence
+@SetQwords:
+ jnc @F
+ movq [edx], xmm0
+@@:
+ ret
+InternalMemSetMem64 ENDP
+
+ END
|