diff options
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.nasm | 54 |
2 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf index 22c48e962b..5fda557640 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf +++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf @@ -56,6 +56,7 @@ Ia32/ScanMem32.S
Ia32/ScanMem16.nasm
Ia32/ScanMem16.S
+ Ia32/ScanMem8.nasm
Ia32/ScanMem8.S
Ia32/CompareMem.S
Ia32/SetMem64.S
@@ -70,6 +71,7 @@ Ia32/ScanMem32.asm
Ia32/ScanMem16.nasm
Ia32/ScanMem16.asm
+ Ia32/ScanMem8.nasm
Ia32/ScanMem8.asm
Ia32/CompareMem.asm
Ia32/SetMem64.asm
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.nasm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.nasm new file mode 100644 index 0000000000..0c6878b000 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.nasm @@ -0,0 +1,54 @@ +;------------------------------------------------------------------------------
+;
+; 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
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; CONST VOID *
+; EFIAPI
+; InternalMemScanMem8 (
+; IN CONST VOID *Buffer,
+; IN UINTN Length,
+; IN UINT8 Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemScanMem8)
+ASM_PFX(InternalMemScanMem8):
+ push edi
+ mov ecx, [esp + 12]
+ mov edi, [esp + 8]
+ mov al, [esp + 16]
+ repne scasb
+ lea eax, [edi - 1]
+ cmovnz eax, ecx
+ pop edi
+ ret
+
|