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| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:09 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:51:07 +0800 |
| commit | 59824217e596380793b64d468b29e2687662ef36 (patch) | |
| tree | 7c262763bb83e61a7bea6f76258f060d26b7f68d /MdePkg/Library | |
| parent | 5275ec43fc7ada75d426e0a5d100232bdd6bb1d1 (diff) | |
| download | edk2-59824217e596380793b64d468b29e2687662ef36.tar.gz edk2-59824217e596380793b64d468b29e2687662ef36.tar.bz2 edk2-59824217e596380793b64d468b29e2687662ef36.zip | |
MdePkg BaseMemoryLibOptPei: Convert X64/CompareMem.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/CompareMem.asm to X64/CompareMem.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/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf | 1 | ||||
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.nasm | 58 |
2 files changed, 59 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf index 89f3137566..7f5bc240bb 100644 --- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf +++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf @@ -104,6 +104,7 @@ X64/ScanMem8.nasm
X64/ScanMem8.asm
X64/ScanMem8.S
+ X64/CompareMem.nasm
X64/CompareMem.asm
X64/CompareMem.S
X64/ZeroMem.asm
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.nasm new file mode 100644 index 0000000000..293a39b256 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.nasm @@ -0,0 +1,58 @@ +;------------------------------------------------------------------------------
+;
+; 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
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; INTN
+; EFIAPI
+; InternalMemCompareMem (
+; IN CONST VOID *DestinationBuffer,
+; IN CONST VOID *SourceBuffer,
+; IN UINTN Length
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemCompareMem)
+ASM_PFX(InternalMemCompareMem):
+ push rsi
+ push rdi
+ mov rsi, rcx
+ mov rdi, rdx
+ mov rcx, r8
+ repe cmpsb
+ movzx rax, byte [rsi - 1]
+ movzx rdx, byte [rdi - 1]
+ sub rax, rdx
+ pop rdi
+ pop rsi
+ ret
+
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