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
  46     /* Load system DLLs into the initial process (and initialize them) */
  47     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
  48         || !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
  49         ExitProcess( 1 );
  50
  51     /* Get pointers to USER routines called by KERNEL */
  52     THUNK_InitCallout();
  53
  54     /* Call FinalUserInit routine */
  55     Callout.FinalUserInit16();
  56
  57     /* Call InitApp for initial task */
  58     Callout.InitApp16( MapHModuleLS( 0 ) );
  59
  60     /* Add the Startup Program to the run list */
  61     PROFILE_GetWineIniString( "programs", "Startup", "",
  62                                startProg, sizeof(startProg) );
  63     if (startProg[0]) tasks += exec_program( startProg );
  64
  65     /* Add the Default Program if no program on the command line */
  66     if (!Options.argv[1])
  67     {
  68         PROFILE_GetWineIniString( "programs", "Default", "",
  69                                   defProg, sizeof(defProg) );
  70         if (defProg[0]) tasks += exec_program( defProg );
  71         else if (!tasks && !startProg[0]) OPTIONS_Usage();
  72     }
  73     else
  74     {
  75         /* Load and run executables given on command line */
  76         for (i = 1; Options.argv[i]; i++)
  77         {
  78             tasks += exec_program( Options.argv[i] );
  79         }
  80     }
  81     if (!tasks) ExitProcess( 0 );
  82
  83     /* Start message loop for desktop window */
  84
  85     while ( GetNumTasks16() > 1  && Callout.GetMessageA( &msg, 0, 0, 0 ) )
  86     {
  87         Callout.TranslateMessage( &msg );
  88         Callout.DispatchMessageA( &msg );
  89     }
  90
  91     ExitProcess( 0 );
  92 }
  93
  94
  95 /**********************************************************************
  96  *           main
  97  */
  98 int main( int argc, char *argv[] )
  99 {
 100     NE_MODULE *pModule;
 101
 102     /* Initialize everything */
 103     if (!MAIN_MainInit( argc, argv, FALSE )) return 1;
 104
 105     /* Create initial task */
 106     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
 107     if ( !TASK_Create( pModule, FALSE ) ) return 1;
 108
 109     /* Switch to initial task */
 110     PostEvent16( PROCESS_Current()->task );
 111     TASK_Reschedule();
 112
 113     /* Switch stacks and jump to MAIN_EmulatorRun */
 114     CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
 115
 116     MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
 117     return 0;
 118 }