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author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:08 -0700 |
---|---|---|
committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:50:49 +0800 |
commit | d45df8116a2a4a9f78ec45214aaf9ef0cfba57b9 (patch) | |
tree | 610686c2750be51ec01b9040b92ee241f6820504 /MdePkg/Library/BaseMemoryLibOptDxe | |
parent | 1b7c54f8c53b607496f2f0a2f350bac924e76264 (diff) | |
download | edk2-d45df8116a2a4a9f78ec45214aaf9ef0cfba57b9.tar.gz edk2-d45df8116a2a4a9f78ec45214aaf9ef0cfba57b9.tar.bz2 edk2-d45df8116a2a4a9f78ec45214aaf9ef0cfba57b9.zip |
MdePkg BaseMemoryLibOptDxe: Convert X64/ScanMem64.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/ScanMem64.asm to X64/ScanMem64.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.inf | 1 | ||||
-rw-r--r-- | MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.nasm | 55 |
2 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf index 57ab61e710..715e34e742 100644 --- a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf +++ b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf @@ -92,6 +92,7 @@ MemLibGuid.c
[Sources.X64]
+ X64/ScanMem64.nasm
X64/ScanMem64.asm
X64/ScanMem64.S
X64/ScanMem32.asm
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.nasm b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.nasm new file mode 100644 index 0000000000..7efcf6a7bd --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.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:
+;
+; ScanMem64.Asm
+;
+; Abstract:
+;
+; ScanMem64 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
+; InternalMemScanMem64 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT64 Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemScanMem64)
+ASM_PFX(InternalMemScanMem64):
+ push rdi
+ mov rdi, rcx
+ mov rax, r8
+ mov rcx, rdx
+ repne scasq
+ lea rax, [rdi - 8]
+ cmovnz rax, rcx
+ pop rdi
+ ret
+
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