miscemu/main.c

   1 /*
   2  * Emulator initialisation code
   3  *
   4  */
   5
   6 #include <stdlib.h>
   7 #include <assert.h>
   8 #include "wine/winbase16.h"
   9 #include "callback.h"
  10 #include "main.h"
  11 #include "miscemu.h"
  12 #include "module.h"
  13 #include "options.h"
  14 #include "process.h"
  15 #include "thread.h"
  16 #include "task.h"
  17 #include "stackframe.h"
  18 #include "wine/exception.h"
  19 #include "debugtools.h"
  20
  21 extern DWORD DEBUG_WinExec(LPCSTR lpCmdLine, int sw);
  22
  23
  24 static BOOL exec_program( LPCSTR cmdline )
  25 {
  26     HINSTANCE handle;
  27
  28     if (Options.debug)
  29         handle = DEBUG_WinExec( cmdline, SW_SHOWNORMAL );
  30     else
  31         handle = WinExec( cmdline, SW_SHOWNORMAL );
  32
  33     if (handle < 32)
  34     {
  35         MESSAGE( "%s: can't exec '%s': ", argv0, cmdline );
  36         switch (handle)
  37         {
  38         case  2: MESSAGE("file not found\n" ); break;
  39         case 11: MESSAGE("invalid exe file\n" ); break;
  40         default: MESSAGE("error=%d\n", handle ); break;
  41         }
  42     }
  43     return (handle >= 32);
  44 }
  45
  46 /***********************************************************************
  47  *           Main loop of initial task
  48  */
  49 void MAIN_EmulatorRun( void )
  50 {
  51     char startProg[256], defProg[256];
  52     int i, tasks = 0;
  53     MSG msg;
  54
  55     /* Load system DLLs into the initial process (and initialize them) */
  56     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
  57         || !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
  58         ExitProcess( 1 );
  59
  60     /* Get pointers to USER routines called by KERNEL */
  61     THUNK_InitCallout();
  62
  63     /* Call FinalUserInit routine */
  64     Callout.FinalUserInit16();
  65
  66     /* Call InitApp for initial task */
  67     Callout.InitApp16( MapHModuleLS( 0 ) );
  68
  69     /* Add the Startup Program to the run list */
  70     PROFILE_GetWineIniString( "programs", "Startup", "",
  71                                startProg, sizeof(startProg) );
  72     if (startProg[0]) tasks += exec_program( startProg );
  73
  74     /* Add the Default Program if no program on the command line */
  75     if (!Options.argv[1])
  76     {
  77         PROFILE_GetWineIniString( "programs", "Default", "",
  78                                   defProg, sizeof(defProg) );
  79         if (defProg[0]) tasks += exec_program( defProg );
  80         else if (!tasks && !startProg[0]) OPTIONS_Usage();
  81     }
  82     else
  83     {
  84         /* Load and run executables given on command line */
  85         for (i = 1; Options.argv[i]; i++)
  86         {
  87             tasks += exec_program( Options.argv[i] );
  88         }
  89     }
  90     if (!tasks) ExitProcess( 0 );
  91
  92     /* Start message loop for desktop window */
  93
  94     while ( GetNumTasks16() > 1  && Callout.GetMessageA( &msg, 0, 0, 0 ) )
  95     {
  96         Callout.TranslateMessage( &msg );
  97         Callout.DispatchMessageA( &msg );
  98     }
  99
 100     ExitProcess( 0 );
 101 }
 102
 103
 104 /**********************************************************************
 105  *           main
 106  */
 107 int main( int argc, char *argv[] )
 108 {
 109     NE_MODULE *pModule;
 110
 111     /* Initialize everything */
 112     if (!MAIN_MainInit( argc, argv, FALSE )) return 1;
 113
 114     /* Create initial task */
 115     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
 116     if ( !TASK_Create( pModule, FALSE ) ) return 1;
 117
 118     /* Switch to initial task */
 119     PostEvent16( PROCESS_Current()->task );
 120     TASK_Reschedule();
 121
 122     /* Switch stacks and jump to MAIN_EmulatorRun */
 123     CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
 124
 125     MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
 126     return 0;
 127 }