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| author | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-23 09:54:31 +0000 |
|---|---|---|
| committer | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-23 09:54:31 +0000 |
| commit | c5ecf6c197a7105f2a5d09ddf5ff4a78090584c7 (patch) | |
| tree | b648d069cd1eadf70a30e1445dd40268b1f22397 /MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm | |
| parent | b2570da8b7d2154b2d1344f2eb25acac9e6b6578 (diff) | |
| download | edk2-platforms-c5ecf6c197a7105f2a5d09ddf5ff4a78090584c7.tar.xz | |
Import BaseMemoryLibMmx.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3407 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm new file mode 100644 index 0000000000..454d6234bf --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; InternalMemSetMem64 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT64 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem64 PROC
+ DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value)
+ mov rax, rcx ; rax <- Buffer
+ xchg rcx, rdx ; rcx <- Count
+@@:
+ DB 0fh, 0e7h, 02h ; movntq [rdx], mm0
+ add rdx, 8
+ loop @B
+ mfence
+ ret
+InternalMemSetMem64 ENDP
+
+ END
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