diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:12 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:51:31 +0800 |
| commit | 37968f40064a228ec9660e3f6ab7fda0dc9300bf (patch) | |
| tree | 83c2483302b6679c47dfb4a67626483bec23b3b6 /MdePkg/Library | |
| parent | 2ee36c26b5066187ae1bc7748f6297aca05520f3 (diff) | |
| download | edk2-platforms-37968f40064a228ec9660e3f6ab7fda0dc9300bf.tar.xz | |
MdePkg BaseMemoryLibSse2: Convert Ia32/ZeroMem.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/ZeroMem.asm to Ia32/ZeroMem.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.nasm | 65 |
2 files changed, 67 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf index d5e256e2ff..55faea0d75 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf +++ b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf @@ -55,6 +55,7 @@ Ia32/ScanMem8.S
Ia32/CompareMem.nasm
Ia32/CompareMem.S
+ Ia32/ZeroMem.nasm
Ia32/ZeroMem.S
Ia32/SetMem64.S
Ia32/SetMem32.S
@@ -71,6 +72,7 @@ Ia32/ScanMem8.asm
Ia32/CompareMem.nasm
Ia32/CompareMem.asm
+ Ia32/ZeroMem.nasm
Ia32/ZeroMem.asm
Ia32/SetMem64.asm
Ia32/SetMem32.asm
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.nasm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.nasm new file mode 100644 index 0000000000..d1c6d3a052 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.nasm @@ -0,0 +1,65 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; ZeroMem.nasm
+;
+; Abstract:
+;
+; ZeroMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemZeroMem (
+; IN VOID *Buffer,
+; IN UINTN Count
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemZeroMem)
+ASM_PFX(InternalMemZeroMem):
+ push edi
+ mov edi, [esp + 8]
+ mov edx, [esp + 12]
+ xor ecx, ecx
+ sub ecx, edi
+ xor eax, eax
+ and ecx, 15
+ jz .0
+ cmp ecx, edx
+ cmova ecx, edx
+ sub edx, ecx
+ rep stosb
+.0:
+ mov ecx, edx
+ and edx, 15
+ shr ecx, 4
+ jz @ZeroBytes
+ pxor xmm0, xmm0
+.1:
+ movntdq [edi], xmm0
+ add edi, 16
+ loop .1
+ mfence
+@ZeroBytes:
+ mov ecx, edx
+ rep stosb
+ mov eax, [esp + 8]
+ pop edi
+ ret
+
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