diff options
author | Guo Mang <mang.guo@intel.com> | 2017-04-27 11:08:17 +0800 |
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committer | Guo Mang <mang.guo@intel.com> | 2017-04-27 11:08:17 +0800 |
commit | b0724f89e3b05de1d6492e79ec89f6d467cb14f0 (patch) | |
tree | e4a9eff6dc255621c2f0a08d61d32bf95087a7a9 /Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm | |
parent | c23f114d3cfbb29b8734b87213d1ec0de404197b (diff) | |
download | edk2-platforms-b0724f89e3b05de1d6492e79ec89f6d467cb14f0.tar.xz |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm')
-rw-r--r-- | Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm new file mode 100644 index 0000000000..b5c4257702 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.nasm @@ -0,0 +1,63 @@ +;------------------------------------------------------------------------------
+;
+; 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
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem64 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT64 Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemScanMem64)
+ASM_PFX(InternalMemScanMem64):
+ push edi
+ mov ecx, [esp + 12]
+ mov eax, [esp + 16]
+ mov edx, [esp + 20]
+ mov edi, [esp + 8]
+.0:
+ cmp eax, [edi]
+ lea edi, [edi + 8]
+ loopne .0
+ jne .1
+ cmp edx, [edi - 4]
+ jecxz .1
+ jne .0
+.1:
+ lea eax, [edi - 8]
+ cmovne eax, ecx
+ pop edi
+ ret
+
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