diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm | 46 |
2 files changed, 48 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf index a0ecafadba..e89d047235 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf +++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf @@ -110,6 +110,7 @@ X64/SetMem32.S
X64/SetMem16.nasm
X64/SetMem16.S
+ X64/SetMem.nasm
X64/SetMem.S
X64/CopyMem.S
X64/ScanMem64.nasm
@@ -130,6 +131,7 @@ X64/SetMem32.asm
X64/SetMem16.nasm
X64/SetMem16.asm
+ X64/SetMem.nasm
X64/SetMem.asm
X64/CopyMem.asm
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm new file mode 100644 index 0000000000..79b2d5455b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; )
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem)
+ASM_PFX(InternalMemSetMem):
+ push rdi
+ mov rax, r8 ; rax = Value
+ mov rdi, rcx ; rdi = Buffer
+ xchg rcx, rdx ; rcx = Count, rdx = Buffer
+ rep stosb
+ mov rax, rdx ; rax = Buffer
+ pop rdi
+ ret
+
|