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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:52:12 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:51:32 +0800
commitff3ca5698131953af73cc3056c7abf65e5191c6d (patch)
treefbb3c469441773d1568e63a581951de82374f04f /MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm
parentdabe650016fa1cca66c123d50ee5e9a59110d5e7 (diff)
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MdePkg BaseMemoryLibSse2: Convert Ia32/SetMem32.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/SetMem32.asm to Ia32/SetMem32.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm')
-rw-r--r--MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm68
1 files changed, 68 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm
new file mode 100644
index 0000000000..e0848f2041
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.nasm
@@ -0,0 +1,68 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; 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:
+;
+; SetMem32.nasm
+;
+; Abstract:
+;
+; SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem32 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT32 Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem32)
+ASM_PFX(InternalMemSetMem32):
+ push edi
+ mov edx, [esp + 12]
+ mov edi, [esp + 8]
+ xor ecx, ecx
+ sub ecx, edi
+ and ecx, 15 ; ecx + edi aligns on 16-byte boundary
+ mov eax, [esp + 16]
+ jz .0
+ shr ecx, 2
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosd
+.0:
+ mov ecx, edx
+ and edx, 3
+ shr ecx, 2
+ jz @SetDwords
+ movd xmm0, eax
+ pshufd xmm0, xmm0, 0
+.1:
+ movntdq [edi], xmm0
+ add edi, 16
+ loop .1
+ mfence
+@SetDwords:
+ mov ecx, edx
+ rep stosd
+ mov eax, [esp + 8]
+ pop edi
+ ret
+