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 "debugger.h"
  11 #include "main.h"
  12 #include "miscemu.h"
  13 #include "module.h"
  14 #include "options.h"
  15 #include "process.h"
  16 #include "thread.h"
  17 #include "task.h"
  18 #include "stackframe.h"
  19 #include "wine/exception.h"
  20 #include "debugtools.h"
  21
  22 static int MAIN_argc;
  23 static char **MAIN_argv;
  24
  25
  26 /***********************************************************************
  27  *           Main loop of initial task
  28  */
  29 void MAIN_EmulatorRun( void )
  30 {
  31     char startProg[256], defProg[256];
  32     HINSTANCE handle;
  33     int i, tasks = 0;
  34     MSG msg;
  35     BOOL err_msg = FALSE;
  36
  37     /* Load system DLLs into the initial process (and initialize them) */
  38     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
  39         || !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
  40         ExitProcess( 1 );
  41
  42     /* Get pointers to USER routines called by KERNEL */
  43     THUNK_InitCallout();
  44
  45     /* Call FinalUserInit routine */
  46     Callout.FinalUserInit16();
  47
  48     /* Call InitApp for initial task */
  49     Callout.InitApp16( MapHModuleLS( 0 ) );
  50
  51     /* Add the Default Program if no program on the command line */
  52     if (!MAIN_argv[1])
  53     {
  54         PROFILE_GetWineIniString( "programs", "Default", "",
  55                                   defProg, sizeof(defProg) );
  56         if (defProg[0]) MAIN_argv[MAIN_argc++] = defProg;
  57     }
  58
  59     /* Add the Startup Program to the run list */
  60     PROFILE_GetWineIniString( "programs", "Startup", "",
  61                                startProg, sizeof(startProg) );
  62     if (startProg[0]) MAIN_argv[MAIN_argc++] = startProg;
  63
  64     /* Abort if no executable on command line */
  65     if (MAIN_argc <= 1)
  66     {
  67         MAIN_Usage(MAIN_argv[0]);
  68         ExitProcess( 1 );
  69     }
  70
  71     /* Load and run executables given on command line */
  72     for (i = 1; i < MAIN_argc; i++)
  73     {
  74         if ((handle = WinExec( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
  75         {
  76             err_msg = TRUE;
  77             MESSAGE("wine: can't exec '%s': ", MAIN_argv[i]);
  78             switch (handle)
  79             {
  80             case 2: MESSAGE("main executable or required DLL not found\n" ); break;
  81             case 11: MESSAGE("invalid exe file\n" ); break;
  82             default: MESSAGE("error=%d\n", handle ); break;
  83             }
  84         }
  85         else tasks++;
  86     }
  87
  88     if (!tasks)
  89     {
  90         if (!err_msg) MESSAGE("wine: no executable file found.\n" );
  91         ExitProcess( 0 );
  92     }
  93
  94     /* Start message loop for desktop window */
  95
  96     while ( GetNumTasks16() > 1  && Callout.GetMessageA( &msg, 0, 0, 0 ) )
  97     {
  98         Callout.TranslateMessage( &msg );
  99         Callout.DispatchMessageA( &msg );
 100     }
 101
 102     ExitProcess( 0 );
 103 }
 104
 105
 106 /**********************************************************************
 107  *           main
 108  */
 109 int main( int argc, char *argv[] )
 110 {
 111     NE_MODULE *pModule;
 112
 113     /* Initialize everything */
 114     if (!MAIN_MainInit( &argc, argv, FALSE )) return 1;
 115     MAIN_argc = argc; MAIN_argv = argv;
 116
 117     /* Create initial task */
 118     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
 119     if ( !TASK_Create( pModule, FALSE ) ) return 1;
 120
 121     /* Switch to initial task */
 122     PostEvent16( PROCESS_Current()->task );
 123     TASK_Reschedule();
 124
 125     /* Switch stacks and jump to MAIN_EmulatorRun */
 126     CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
 127
 128     MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
 129     return 0;
 130 }