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>

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 121d2f72c6a3cb4f17d2a26d72632d28fdce3469..46a8c86172214b08945abce4a1cd1dc5f9270aca 100644 (file)
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -327,7 +327,8 @@
   Ia32/DivU64x32Remainder.asm | INTEL \r
   Ia32/DivU64x32.nasm| INTEL\r
   Ia32/DivU64x32.asm | INTEL \r
-  Ia32/DisablePaging32.asm | INTEL \r
+  Ia32/DisablePaging32.nasm| INTEL\r
+  Ia32/DisablePaging32.asm | INTEL\r
   Ia32/DisableInterrupts.nasm| INTEL\r
   Ia32/DisableInterrupts.asm | INTEL \r
   Ia32/CpuPause.nasm| INTEL\r
@@ -358,6 +359,7 @@
   Ia32/EnableDisableInterrupts.S | GCC \r
   Ia32/EnablePaging64.nasm| GCC\r
   Ia32/EnablePaging64.S | GCC \r
+  Ia32/DisablePaging32.nasm| GCC\r
   Ia32/DisablePaging32.S | GCC \r
   Ia32/EnablePaging32.nasm| GCC\r
   Ia32/EnablePaging32.S | GCC \r

diff --git a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm
new file mode 100644 (file)
index 0000000..2970f6c
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.nasm
@@ -0,0 +1,54 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution.  The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+; Module Name:\r
+;\r
+;   DisablePaging32.Asm\r
+;\r
+; Abstract:\r
+;\r
+;   AsmDisablePaging32 function\r
+;\r
+; Notes:\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+    SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; VOID\r
+; EFIAPI\r
+; InternalX86DisablePaging32 (\r
+;   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,\r
+;   IN      VOID                      *Context1,    OPTIONAL\r
+;   IN      VOID                      *Context2,    OPTIONAL\r
+;   IN      VOID                      *NewStack\r
+;   );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalX86DisablePaging32)\r
+ASM_PFX(InternalX86DisablePaging32):\r
+    mov     ebx, [esp + 4]\r
+    mov     ecx, [esp + 8]\r
+    mov     edx, [esp + 12]\r
+    pushfd\r
+    pop     edi                         ; save EFLAGS to edi\r
+    cli\r
+    mov     eax, cr0\r
+    btr     eax, 31\r
+    mov     esp, [esp + 16]\r
+    mov     cr0, eax\r
+    push    edi\r
+    popfd                               ; restore EFLAGS from edi\r
+    push    edx\r
+    push    ecx\r
+    call    ebx\r
+    jmp     $                           ; EntryPoint() should not return\r
+\r