From 7e08bace8c18fd73d6aa4e753999d236086d191f Mon Sep 17 00:00:00 2001
From: Liming Gao <liming.gao@intel.com>
Date: Sun, 12 Jun 2016 16:13:28 +0800
Subject: MdePkg BaseLib: Convert Ia32/DisablePaging32.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/DisablePaging32.asm to Ia32/DisablePaging32.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 MdePkg/Library/BaseLib/BaseLib.inf               |  4 +-
 MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm | 54 ++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 1 deletion(-)
 create mode 100644 MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm

(limited to 'MdePkg')

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 121d2f7..46a8c86 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -327,7 +327,8 @@
   Ia32/DivU64x32Remainder.asm | INTEL 
   Ia32/DivU64x32.nasm| INTEL
   Ia32/DivU64x32.asm | INTEL 
-  Ia32/DisablePaging32.asm | INTEL 
+  Ia32/DisablePaging32.nasm| INTEL
+  Ia32/DisablePaging32.asm | INTEL
   Ia32/DisableInterrupts.nasm| INTEL
   Ia32/DisableInterrupts.asm | INTEL 
   Ia32/CpuPause.nasm| INTEL
@@ -358,6 +359,7 @@
   Ia32/EnableDisableInterrupts.S | GCC 
   Ia32/EnablePaging64.nasm| GCC
   Ia32/EnablePaging64.S | GCC 
+  Ia32/DisablePaging32.nasm| GCC
   Ia32/DisablePaging32.S | GCC 
   Ia32/EnablePaging32.nasm| GCC
   Ia32/EnablePaging32.S | GCC 
diff --git a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm
new file mode 100644
index 0000000..2970f6c
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.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:
+;
+;   DisablePaging32.Asm
+;
+; Abstract:
+;
+;   AsmDisablePaging32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalX86DisablePaging32 (
+;   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
+;   IN      VOID                      *Context1,    OPTIONAL
+;   IN      VOID                      *Context2,    OPTIONAL
+;   IN      VOID                      *NewStack
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalX86DisablePaging32)
+ASM_PFX(InternalX86DisablePaging32):
+    mov     ebx, [esp + 4]
+    mov     ecx, [esp + 8]
+    mov     edx, [esp + 12]
+    pushfd
+    pop     edi                         ; save EFLAGS to edi
+    cli
+    mov     eax, cr0
+    btr     eax, 31
+    mov     esp, [esp + 16]
+    mov     cr0, eax
+    push    edi
+    popfd                               ; restore EFLAGS from edi
+    push    edx
+    push    ecx
+    call    ebx
+    jmp     $                           ; EntryPoint() should not return
+
-- 
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