From 4fc416a69b8996f427f5ef2c562b6a19e92afff8 Mon Sep 17 00:00:00 2001
From: Jordan Justen <jordan.l.justen@intel.com>
Date: Mon, 30 May 2016 18:51:58 -0700
Subject: [PATCH] MdePkg BaseLib: Convert Ia32/EnablePaging32.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/EnablePaging32.asm to Ia32/EnablePaging32.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 MdePkg/Library/BaseLib/BaseLib.inf            |  2 +
 .../Library/BaseLib/Ia32/EnablePaging32.nasm  | 54 +++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging32.nasm

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 52e82bd74d..5f8cd45d4f 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -315,6 +315,7 @@
   Ia32/FxSave.asm | INTEL 
   Ia32/FlushCacheLine.nasm| INTEL
   Ia32/FlushCacheLine.asm | INTEL 
+  Ia32/EnablePaging32.nasm| INTEL
   Ia32/EnablePaging32.asm | INTEL 
   Ia32/EnableInterrupts.asm | INTEL 
   Ia32/EnableDisableInterrupts.asm | INTEL 
@@ -345,6 +346,7 @@
   Ia32/EnablePaging64.nasm| GCC
   Ia32/EnablePaging64.S | GCC 
   Ia32/DisablePaging32.S | GCC 
+  Ia32/EnablePaging32.nasm| GCC
   Ia32/EnablePaging32.S | GCC 
   Ia32/Mwait.nasm| GCC
   Ia32/Mwait.S | GCC 
diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging32.nasm b/MdePkg/Library/BaseLib/Ia32/EnablePaging32.nasm
new file mode 100644
index 0000000000..0855f8dcbe
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/EnablePaging32.nasm
@@ -0,0 +1,54 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;   EnablePaging32.Asm
+;
+; Abstract:
+;
+;   AsmEnablePaging32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalX86EnablePaging32 (
+;   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
+;   IN      VOID                      *Context1,    OPTIONAL
+;   IN      VOID                      *Context2,    OPTIONAL
+;   IN      VOID                      *NewStack
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalX86EnablePaging32)
+ASM_PFX(InternalX86EnablePaging32):
+    mov     ebx, [esp + 4]
+    mov     ecx, [esp + 8]
+    mov     edx, [esp + 12]
+    pushfd
+    pop     edi                         ; save flags in edi
+    cli
+    mov     eax, cr0
+    bts     eax, 31
+    mov     esp, [esp + 16]
+    mov     cr0, eax
+    push    edi
+    popfd                               ; restore flags
+    push    edx
+    push    ecx
+    call    ebx
+    jmp     $
+