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author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-05-19 19:28:24 +0000 |
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committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-05-19 19:28:24 +0000 |
commit | 6e3b8c471637564fd395e40afd467527df7ec8b1 (patch) | |
tree | e416f77947aa0b8efa1169a7c390fa5fe221386a /MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm | |
parent | 754c0cfed41c5d23f51dadd63d7c275c82fb078d (diff) | |
download | edk2-platforms-6e3b8c471637564fd395e40afd467527df7ec8b1.tar.xz |
Fix capitalization issues
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@208 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm new file mode 100644 index 0000000000..f2c55f1296 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm @@ -0,0 +1,66 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; SetMem.asm
+;
+; Abstract:
+;
+; SetMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .model flat,C
+ .xmm
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; _mem_SetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem PROC USES edi
+ mov ecx, [esp + 12] ; ecx <- Count
+ mov edi, [esp + 8] ; edi <- Buffer
+ mov edx, ecx
+ shr ecx, 3 ; # of Qwords to set
+ mov al, [esp + 16] ; al <- Value
+ jz @SetBytes
+ mov ah, al ; ax <- Value | (Value << 8)
+ push ecx
+ push ecx
+ movq [esp], mm0 ; save mm0
+ movd mm0, eax
+ pshufw mm0, mm0, 0 ; fill mm0 with 8 Value's
+@@:
+ movntq [edi], mm0
+ add edi, 8
+ loop @B
+ mfence
+ movq mm0, [esp] ; restore mm0
+ pop ecx ; stack cleanup
+ pop ecx
+@SetBytes:
+ and edx, 7
+ mov ecx, edx
+ rep stosb
+ mov eax, [esp + 8] ; eax <- Buffer as return value
+ ret
+InternalMemSetMem ENDP
+
+ END
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