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-rw-r--r--MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf2
-rw-r--r--MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.nasm52
2 files changed, 54 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
index f28f8c9020..aad4cf191d 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
+++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
@@ -52,6 +52,7 @@
Ia32/SetMem32.S
Ia32/SetMem16.nasm
Ia32/SetMem16.S
+ Ia32/SetMem.nasm
Ia32/SetMem.S
Ia32/CopyMem.S
Ia32/ScanMem64.nasm
@@ -72,6 +73,7 @@
Ia32/SetMem32.asm
Ia32/SetMem16.nasm
Ia32/SetMem16.asm
+ Ia32/SetMem.nasm
Ia32/SetMem.asm
Ia32/CopyMem.asm
ScanMem64Wrapper.c
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.nasm b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.nasm
new file mode 100644
index 0000000000..4d2fc184d9
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.nasm
@@ -0,0 +1,52 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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:
+;
+; SetMem.Asm
+;
+; Abstract:
+;
+; SetMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; InternalMemSetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; )
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem)
+ASM_PFX(InternalMemSetMem):
+ push edi
+ mov ecx, [esp + 12]
+ mov al, [esp + 16]
+ mov ah, al
+ shrd edx, eax, 16
+ shld eax, edx, 16
+ mov edx, ecx
+ mov edi, [esp + 8]
+ shr ecx, 2
+ rep stosd
+ mov ecx, edx
+ and ecx, 3
+ rep stosb
+ mov eax, [esp + 8]
+ pop edi
+ ret
+