From 98f2c9e8e2d3b814f2768f9a9d4156f652eeb53f Mon Sep 17 00:00:00 2001
From: Jordan Justen <jordan.l.justen@intel.com>
Date: Mon, 30 May 2016 18:52:08 -0700
Subject: [PATCH] MdePkg BaseMemoryLibOptDxe: Convert X64/SetMem64.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/SetMem64.asm to X64/SetMem64.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 .../BaseMemoryLibOptDxe.inf                   |  1 +
 .../BaseMemoryLibOptDxe/X64/SetMem64.nasm     | 46 +++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.nasm

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
index e8268bf043..999f4e8d70 100644
--- a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
@@ -110,6 +110,7 @@
   X64/ZeroMem.nasm
   X64/ZeroMem.asm
   X64/ZeroMem.S
+  X64/SetMem64.nasm
   X64/SetMem64.asm
   X64/SetMem64.S
   X64/SetMem32.asm
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.nasm b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.nasm
new file mode 100644
index 0000000000..d0471580c0
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.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:
+;
+;   SetMem64.Asm
+;
+; Abstract:
+;
+;   SetMem64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  InternalMemSetMem64 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT64 Value
+;    )
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem64)
+ASM_PFX(InternalMemSetMem64):
+    push    rdi
+    push    rcx
+    mov     rdi, rcx
+    mov     rax, r8
+    xchg    rcx, rdx
+    rep     stosq
+    pop     rax
+    pop     rdi
+    ret
+