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authormdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2007-10-06 23:23:49 +0000
committermdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>2007-10-06 23:23:49 +0000
commit631f060bb7fb457ff8720a690f4bdd378328cb2d (patch)
tree446b2d8859af0a266b57234778d06fde6b758d31 /MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm
parent7b3b4b2992bf89ee5f1aa3df2e2af9c988c49e69 (diff)
downloadedk2-platforms-631f060bb7fb457ff8720a690f4bdd378328cb2d.tar.xz
Add BaseMemoryLib optimized for DXE
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4036 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm')
-rw-r--r--MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm44
1 files changed, 44 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm
new file mode 100644
index 0000000000..282a86c239
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/x64/SetMem64.asm
@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------
+;
+; 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 USES rdi
+ push rcx
+ mov rdi, rcx
+ mov rax, r8
+ xchg rcx, rdx
+ rep stosq
+ pop rax
+ ret
+InternalMemSetMem64 ENDP
+
+ END