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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:52:08 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:50:52 +0800
commit865cb6c6af012022a987acb17eb2fdea419d725d (patch)
tree9604ca974bb29bf48e5bd221a466c4d9b1a1a5c4 /MdePkg/Library/BaseMemoryLibOptDxe
parenta575e9aff6370df771ac0dd477ba28cf34475983 (diff)
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MdePkg BaseMemoryLibOptDxe: Convert X64/ScanMem8.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert X64/ScanMem8.asm to X64/ScanMem8.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptDxe')
-rw-r--r--MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf1
-rw-r--r--MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.nasm55
2 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
index da232034d7..94d628fe84 100644
--- a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
@@ -101,6 +101,7 @@
X64/ScanMem16.nasm
X64/ScanMem16.asm
X64/ScanMem16.S
+ X64/ScanMem8.nasm
X64/ScanMem8.asm
X64/ScanMem8.S
X64/CompareMem.asm
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.nasm b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.nasm
new file mode 100644
index 0000000000..f3f7e8e213
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.nasm
@@ -0,0 +1,55 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; ScanMem8.Asm
+;
+; Abstract:
+;
+; ScanMem8 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances contain the same copy of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+; BaseMemoryLibOptDxe
+; BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem8 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT8 Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemScanMem8)
+ASM_PFX(InternalMemScanMem8):
+ push rdi
+ mov rdi, rcx
+ mov rcx, rdx
+ mov rax, r8
+ repne scasb
+ lea rax, [rdi - 1]
+ cmovnz rax, rcx ; set rax to 0 if not found
+ pop rdi
+ ret
+