From b8f62ba2d39f11455ccae5cf5277e96a12bef44e Mon Sep 17 00:00:00 2001
From: Jordan Justen <jordan.l.justen@intel.com>
Date: Mon, 30 May 2016 18:52:06 -0700
Subject: [PATCH] MdePkg BaseMemoryLibMmx: Convert Ia32/SetMem32.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/SetMem32.asm to Ia32/SetMem32.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 .../BaseMemoryLibMmx/BaseMemoryLibMmx.inf     |  2 +
 .../BaseMemoryLibMmx/Ia32/SetMem32.nasm       | 55 +++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.nasm

diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
index 13cef610c2..ad8e2fb7c9 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
+++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
@@ -62,6 +62,7 @@
   Ia32/CompareMem.S
   Ia32/SetMem64.nasm
   Ia32/SetMem64.S
+  Ia32/SetMem32.nasm
   Ia32/SetMem32.S
   Ia32/SetMem16.S
   Ia32/ZeroMem.S
@@ -79,6 +80,7 @@
   Ia32/CompareMem.asm
   Ia32/SetMem64.nasm
   Ia32/SetMem64.asm
+  Ia32/SetMem32.nasm
   Ia32/SetMem32.asm
   Ia32/SetMem16.asm
   Ia32/ZeroMem.asm
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.nasm
new file mode 100644
index 0000000000..fa96a8e82d
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.nasm
@@ -0,0 +1,55 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;   SetMem32.nasm
+;
+; Abstract:
+;
+;   SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  EFIAPI
+;  InternalMemSetMem32 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT32 Value
+;    );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem32)
+ASM_PFX(InternalMemSetMem32):
+    mov     eax, [esp + 4]              ; eax <- Buffer as return value
+    mov     ecx, [esp + 8]              ; ecx <- Count
+    movd    mm0, dword [esp + 12]             ; mm0 <- Value
+    shr     ecx, 1                      ; ecx <- number of qwords to set
+    mov     edx, eax                    ; edx <- Buffer
+    jz      @SetDwords
+    movq    mm1, mm0
+    psllq   mm1, 32
+    por     mm0, mm1
+.0:
+    movq    qword [edx], mm0
+    lea     edx, [edx + 8]              ; use "lea" to avoid change in flags
+    loop    .0
+@SetDwords:
+    jnc     .1
+    movd    dword [edx], mm0
+.1:
+    ret
+