summaryrefslogtreecommitdiff
path: root/MdePkg/Library
diff options
context:
space:
mode:
authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:52:12 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:51:38 +0800
commitc2f1f3b22183c51c20351e81b32b536b0a3fe286 (patch)
tree1395d5882dfbf7ecefca4e33b020bfe8b1743565 /MdePkg/Library
parent90063aa1679d47f323c5b842b1851bc51dc1a57f (diff)
downloadedk2-platforms-c2f1f3b22183c51c20351e81b32b536b0a3fe286.tar.xz
MdePkg BaseMemoryLibSse2: 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/BaseMemoryLibSse2/BaseMemoryLibSse2.inf2
-rw-r--r--MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.nasm58
2 files changed, 60 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
index db37b813ab..dd16400711 100644
--- a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
+++ b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
@@ -99,6 +99,7 @@
X64/ScanMem16.asm
X64/ScanMem8.nasm
X64/ScanMem8.asm
+ X64/CompareMem.nasm
X64/CompareMem.asm
X64/ZeroMem.asm
X64/SetMem64.asm
@@ -114,6 +115,7 @@
X64/ScanMem16.S
X64/ScanMem8.nasm
X64/ScanMem8.S
+ X64/CompareMem.nasm
X64/CompareMem.S
X64/ZeroMem.S
X64/SetMem64.S
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.nasm
new file mode 100644
index 0000000000..293a39b256
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibSse2/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
+