diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibOptPei/x64/SetMem.asm')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibOptPei/x64/SetMem.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/x64/SetMem.asm b/MdePkg/Library/BaseMemoryLibOptPei/x64/SetMem.asm new file mode 100644 index 0000000000..ecde8ec9db --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibOptPei/x64/SetMem.asm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. 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:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem PROC USES rdi
+ push rcx ; push Buffer
+ mov rax, r8 ; rax = Value
+ mov rdi, rcx ; rdi = Buffer
+ mov rcx, rdx ; rcx = Count
+ rep stosb
+ pop rax ; rax = Buffer
+ ret
+InternalMemSetMem ENDP
+
+ END
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