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 static BOOL exec_program( LPCSTR cmdline )
  22 {
  23     HINSTANCE handle = WinExec( cmdline, SW_SHOWNORMAL );
  24     if (handle < 32)
  25     {
  26         MESSAGE( "%s: can't exec '%s': ", argv0, cmdline );
  27         switch (handle)
  28         {
  29         case  2: MESSAGE("file not found\n" ); break;
  30         case 11: MESSAGE("invalid exe file\n" ); break;
  31         default: MESSAGE("error=%d\n", handle ); break;
  32         }
  33     }
  34     return (handle >= 32);
  35 }
  36
  37 /***********************************************************************
  38  *           Main loop of initial task
  39  */
  40 void MAIN_EmulatorRun( void )
  41 {
  42     char startProg[256], defProg[256];
  43     int i, tasks = 0;
  44     MSG msg;
  45     char szGraphicsDriver[MAX_PATH];
  46
  47     if (PROFILE_GetWineIniString( "Wine", "GraphicsDriver",
  48         "x11drv", szGraphicsDriver, sizeof(szGraphicsDriver)))
  49     {
  50         if (!LoadLibraryA( szGraphicsDriver )) ExitProcess(1);
  51     }
  52
  53     /* Load system DLLs into the initial process (and initialize them) */
  54     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
  55         || !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
  56         ExitProcess( 1 );
  57
  58     /* Get pointers to USER routines called by KERNEL */
  59     THUNK_InitCallout();
  60
  61     /* Call FinalUserInit routine */
  62     Callout.FinalUserInit16();
  63
  64     /* Call InitApp for initial task */
  65     Callout.InitApp16( MapHModuleLS( 0 ) );
  66
  67     /* Add the Startup Program to the run list */
  68     PROFILE_GetWineIniString( "programs", "Startup", "",
  69                                startProg, sizeof(startProg) );
  70     if (startProg[0]) tasks += exec_program( startProg );
  71
  72     /* Add the Default Program if no program on the command line */
  73     if (!Options.argv[1])
  74     {
  75         PROFILE_GetWineIniString( "programs", "Default", "",
  76                                   defProg, sizeof(defProg) );
  77         if (defProg[0]) tasks += exec_program( defProg );
  78         else if (!tasks && !startProg[0]) OPTIONS_Usage();
  79     }
  80     else
  81     {
  82         /* Load and run executables given on command line */
  83         for (i = 1; Options.argv[i]; i++)
  84         {
  85             tasks += exec_program( Options.argv[i] );
  86         }
  87     }
  88     if (!tasks) ExitProcess( 0 );
  89
  90     /* Start message loop for desktop window */
  91
  92     while ( GetNumTasks16() > 1  && Callout.GetMessageA( &msg, 0, 0, 0 ) )
  93     {
  94         Callout.TranslateMessage( &msg );
  95         Callout.DispatchMessageA( &msg );
  96     }
  97
  98     ExitProcess( 0 );
  99 }
 100
 101
 102 /**********************************************************************
 103  *           main
 104  */
 105 int main( int argc, char *argv[] )
 106 {
 107     NE_MODULE *pModule;
 108
 109     /* Initialize everything */
 110     if (!MAIN_MainInit( argc, argv, FALSE )) return 1;
 111
 112     if (!THREAD_InitStack( NtCurrentTeb(), 0, TRUE )) return 1;
 113     SIGNAL_Init();  /* reinitialize signal stack */
 114
 115     /* Initialize KERNEL */
 116     if (!LoadLibraryA( "KERNEL32" )) return FALSE;
 117
 118     /* Create initial task */
 119     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
 120     if ( !TASK_Create( pModule, FALSE ) ) return 1;
 121
 122     /* Switch to initial task */
 123     PostEvent16( PROCESS_Current()->task );
 124     TASK_Reschedule();
 125
 126     /* Switch stacks and jump to MAIN_EmulatorRun */
 127     CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
 128
 129     MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
 130     return 0;
 131 }