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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:52:09 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:50:59 +0800
commit60ef062d70a4201275a0ca9f85a586ef4415ba29 (patch)
treebf27559207806fbbc47ecc147eb9b7a465ef200e
parent857b79091b1a1a7e0798f369ccec4ad2d249663c (diff)
downloadedk2-60ef062d70a4201275a0ca9f85a586ef4415ba29.zip
edk2-60ef062d70a4201275a0ca9f85a586ef4415ba29.tar.gz
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MdePkg BaseMemoryLibOptPei: Convert Ia32/CompareMem.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/CompareMem.asm to Ia32/CompareMem.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
-rw-r--r--MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf2
-rw-r--r--MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.nasm57
2 files changed, 59 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
index 031b0e0..232f2cb 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
+++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
@@ -42,6 +42,7 @@
Ia32/ScanMem16.S
Ia32/ScanMem8.nasm
Ia32/ScanMem8.S
+ Ia32/CompareMem.nasm
Ia32/CompareMem.S
Ia32/ZeroMem.S
Ia32/SetMem64.S
@@ -57,6 +58,7 @@
Ia32/ScanMem16.asm
Ia32/ScanMem8.nasm
Ia32/ScanMem8.asm
+ Ia32/CompareMem.nasm
Ia32/CompareMem.asm
Ia32/ZeroMem.asm
Ia32/SetMem64.asm
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.nasm
new file mode 100644
index 0000000..9dca7dd
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.nasm
@@ -0,0 +1,57 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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:
+;
+; CompareMem.Asm
+;
+; Abstract:
+;
+; CompareMem function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; INTN
+; EFIAPI
+; InternalMemCompareMem (
+; IN CONST VOID *DestinationBuffer,
+; IN CONST VOID *SourceBuffer,
+; IN UINTN Length
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemCompareMem)
+ASM_PFX(InternalMemCompareMem):
+ push esi
+ push edi
+ mov esi, [esp + 12]
+ mov edi, [esp + 16]
+ mov ecx, [esp + 20]
+ repe cmpsb
+ movzx eax, byte [esi - 1]
+ movzx edx, byte [edi - 1]
+ sub eax, edx
+ pop edi
+ pop esi
+ ret
+