OvmfPkg Sec: Convert Ia32/SecEntry.asm to NASM

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

Note: Manually collapsed .inf sources

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16291 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/Sec/Ia32/SecEntry.S

@@ -1,59 +0,0 @@
-#      TITLE   SecEntry.asm
-#------------------------------------------------------------------------------
-#*
-#*   Copyright (c) 2006 - 2013, 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.
-#*
-#*    CpuAsm.asm
-#*
-#*   Abstract:
-#*
-#------------------------------------------------------------------------------
-
-
-#include <Base.h>
-
-#EXTERN ASM_PFX(SecCoreStartupWithStack)
-
-#
-# SecCore Entry Point
-#
-# Processor is in flat protected mode
-#
-# @param[in]  EAX   Initial value of the EAX register (BIST: Built-in Self Test)
-# @param[in]  DI    'BP': boot-strap processor, or 'AP': application processor
-# @param[in]  EBP   Pointer to the start of the Boot Firmware Volume
-#
-# @return     None  This routine does not return
-#
-ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
-ASM_PFX(_ModuleEntryPoint):
-
-    #
-    # Load temporary RAM stack based on PCDs
-    #
-    .set    SEC_TOP_OF_STACK, FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
-                              FixedPcdGet32 (PcdOvmfSecPeiTempRamSize)
-    movl    $SEC_TOP_OF_STACK, %eax
-    movl    %eax, %esp
-    nop
-
-    #
-    # Setup parameters and call SecCoreStartupWithStack
-    #   [esp]   return address for call
-    #   [esp+4] BootFirmwareVolumePtr
-    #   [esp+8] TopOfCurrentStack
-    #
-    pushl   %eax
-    pushl   %ebp
-    call    ASM_PFX(SecCoreStartupWithStack)
-
-
-#END
-

OvmfPkg/Sec/Ia32/SecEntry.nasm

@@ -1,4 +1,3 @@
-      TITLE   SecEntry.asm
 ;------------------------------------------------------------------------------
 ;*
 ;*   Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
@@ -18,11 +17,9 @@
 
 #include <Base.h>
 
-    .686
+    SECTION .text
-    .model  flat,C
-    .code
 
-EXTERN SecCoreStartupWithStack:PROC
+extern ASM_PFX(SecCoreStartupWithStack)
 
 ;
 ; SecCore Entry Point
@@ -35,12 +32,13 @@ EXTERN SecCoreStartupWithStack:PROC
 ;
 ; @return     None  This routine does not return
 ;
-_ModuleEntryPoint PROC PUBLIC
+global ASM_PFX(_ModuleEntryPoint)
+ASM_PFX(_ModuleEntryPoint):
 
     ;
     ; Load temporary RAM stack based on PCDs
     ;
-    SEC_TOP_OF_STACK EQU (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
+    %define SEC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
                           FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
     mov     eax, SEC_TOP_OF_STACK
     mov     esp, eax
@@ -54,8 +52,5 @@ _ModuleEntryPoint PROC PUBLIC
     ;
     push    eax
     push    ebp
-    call    SecCoreStartupWithStack
+    call    ASM_PFX(SecCoreStartupWithStack)
 
-_ModuleEntryPoint ENDP
-
-END

OvmfPkg/Sec/SecMain.inf

@@ -31,9 +31,7 @@
   SecMain.c
 
 [Sources.IA32]
-  Ia32/SecEntry.asm | MSFT
+  Ia32/SecEntry.nasm
-  Ia32/SecEntry.asm | INTEL
-  Ia32/SecEntry.S   | GCC
 
 [Sources.X64]
   X64/SecEntry.asm  | MSFT