Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Sample/Tools/Source/VcCheck/VcCheck.c

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+/*++
+
+Copyright (c) 2004, Intel Corporation                                                         
+All rights reserved. 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:
+
+  VcCheck.c
+
+Abstract:
+
+  We have found problems with the Visual C++ SP4 and the /O1 flag.
+  If this tests ask a question you have the wrong version of Visual C++
+  on your system
+
+  This test assumes the tools are being compiled with the same complier
+  as the Tiano code. 
+
+  Please see $(EFI_SOURCE)\EFI2.0 Developer's Manual.doc to get the
+  correct version of Visual C++
+
+--*/
+
+#include <stdio.h>
+
+_int16  gGloba16;
+
+int
+CheckLostCode (
+  int Value
+  )
+/*++
+
+Routine Description:
+  This routine is used to test for compiler isseus with /O1.
+  If the /O1 compiler option, and C2.dll is got from Visual C++ SP5
+  (version: 6.00.8168.0), the assember codes after default branch will be
+  losted. (Execute "cl Visual Ccheck.c /O1 /FAsc" to get detail information)
+
+Arguments:
+  Value - Test case
+
+Returns: 
+  Test to see if comiler error is present.
+
+--*/
+{
+  switch (Value) {
+  case 0:
+    break;
+
+  default:
+    _asm
+    {
+      mov bx, 1
+      mov gGloba16, bx
+    }
+
+    return 1;
+  }
+
+  _asm
+  {
+    mov bx, 0
+    mov gGloba16, bx
+  }
+
+  return 0;
+}
+
+int
+main (
+  void
+  )
+/*++
+
+Routine Description:
+  This utility is checking for a known Visual C++ compiler issues. To remove this 
+  question from the build follow the steps in the developers manual.
+
+Arguments:
+  NONE
+
+Returns: 
+  0 - Compiler version is O.K.
+  1 - Compiler version is Bad
+
+--*/
+{
+  int   result;
+  char  select;
+
+  gGloba16  = 0xFF;
+  result    = 0;
+
+  CheckLostCode (0);
+  result += (gGloba16 == 0) ? 0 : 1;
+
+  CheckLostCode (1);
+  result += (gGloba16 == 1) ? 0 : 1;
+
+  if (result != 0) {
+    printf ("Warning: C2.dll is incorrect.\n Please see $(EFI_SOURCE)\\EFI2.0 Developer's Manual.doc for corrective action.\n");
+    printf ("Would you want to continue?(Y/N)");
+
+    scanf ("%c", &select);
+    if ((select == 'Y') || (select == 'y')) {
+      return 0;
+    } else {
+      return 1;
+    }
+  }
+
+  return 0;
+}