miscemu/main.c

   1 /*
   2  * Emulator initialisation code
   3  *
   4  */
   5
   6 #include <assert.h>
   7 #include "callback.h"
   8 #include "debug.h"
   9 #include "debugger.h"
  10 #include "main.h"
  11 #include "miscemu.h"
  12 #include "module.h"
  13 #include "options.h"
  14 #include "process.h"
  15 #include "win16drv.h"
  16 #include "thread.h"
  17 #include "task.h"
  18 #include "stackframe.h"
  19 #include "windows.h"
  20
  21 static int MAIN_argc;
  22 static char **MAIN_argv;
  23
  24 /***********************************************************************
  25  *           Emulator initialisation
  26  */
  27 BOOL32 MAIN_EmulatorInit(void)
  28 {
  29     /* Main initialization */
  30     if (!MAIN_MainInit()) return FALSE;
  31
  32     /* Initialize relay code */
  33     if (!RELAY_Init()) return FALSE;
  34
  35     /* Initialize signal handling */
  36     if (!SIGNAL_InitEmulator()) return FALSE;
  37     SIGNAL_Reinit=SIGNAL_InitEmulator;
  38
  39     /* Create the Win16 printer driver */
  40     if (!WIN16DRV_Init()) return FALSE;
  41
  42     return TRUE;
  43 }
  44
  45
  46 /***********************************************************************
  47  *           Main loop of initial task
  48  */
  49 void MAIN_EmulatorRun( void )
  50 {
  51     extern void THUNK_InitCallout( void );
  52     char startProg[256], defProg[256];
  53     HINSTANCE32 handle;
  54     int i;
  55     MSG32 msg;
  56
  57     /* Load system DLLs into the initial process (and initialize them) */
  58     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibrary32A("GDI32.DLL" )
  59         || !LoadLibrary16("USER.EXE") || !LoadLibrary32A("USER32.DLL"))
  60         ExitProcess( 1 );
  61
  62     /* Get pointers to USER routines called by KERNEL */
  63     THUNK_InitCallout();
  64
  65     /* Add the Default Program if no program on the command line */
  66     if (!MAIN_argv[1])
  67     {
  68         PROFILE_GetWineIniString( "programs", "Default", "",
  69                                   defProg, sizeof(defProg) );
  70         if (defProg[0]) MAIN_argv[MAIN_argc++] = defProg;
  71     }
  72
  73     /* Add the Startup Program to the run list */
  74     PROFILE_GetWineIniString( "programs", "Startup", "",
  75                                startProg, sizeof(startProg) );
  76     if (startProg[0]) MAIN_argv[MAIN_argc++] = startProg;
  77
  78     /* Abort if no executable on command line */
  79     if (MAIN_argc <= 1)
  80     {
  81         MAIN_Usage(MAIN_argv[0]);
  82         exit(1);
  83     }
  84
  85     /* Load and run executables given on command line */
  86     for (i = 1; i < MAIN_argc; i++)
  87         if ((handle = WinExec32( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
  88         {
  89             MSG("wine: can't exec '%s': ", MAIN_argv[i]);
  90             switch (handle)
  91             {
  92             case 2: MSG("file not found\n" ); break;
  93             case 11: MSG("invalid exe file\n" ); break;
  94             default: MSG("error=%d\n", handle ); break;
  95             }
  96         }
  97
  98     if (GetNumTasks() <= 1)
  99     {
 100         MSG("wine: no executable file found.\n" );
 101         ExitProcess( 0 );
 102     }
 103
 104
 105     /* Start message loop for desktop window */
 106
 107     while ( GetNumTasks() > 1 && Callout.GetMessage32A( &msg, 0, 0, 0 ) )
 108     {
 109         Callout.TranslateMessage32( &msg );
 110         Callout.DispatchMessage32A( &msg );
 111     }
 112
 113     ExitProcess( 0 );
 114 }
 115
 116
 117 /**********************************************************************
 118  *           main
 119  */
 120 int main( int argc, char *argv[] )
 121 {
 122     NE_MODULE *pModule;
 123     HINSTANCE16 hInstance;
 124     extern char * DEBUG_argv0;
 125
 126     __winelib = 0;  /* First of all, clear the Winelib flag */
 127
 128     /*
 129      * Save this so that the internal debugger can get a hold of it if
 130      * it needs to.
 131      */
 132     DEBUG_argv0 = argv[0];
 133
 134     /* Create the initial process */
 135     if (!PROCESS_Init()) return FALSE;
 136
 137     /* Parse command-line */
 138     if (!MAIN_WineInit( &argc, argv )) return 1;
 139     MAIN_argc = argc; MAIN_argv = argv;
 140
 141     /* Handle -dll option (hack) */
 142     if (Options.dllFlags)
 143     {
 144         if (!BUILTIN_ParseDLLOptions( Options.dllFlags ))
 145         {
 146             MSG("%s: Syntax: -dll +xxx,... or -dll -xxx,...\n",
 147                      argv[0] );
 148             BUILTIN_PrintDLLs();
 149             exit(1);
 150         }
 151     }
 152
 153     /* Set up debugger callback routines */
 154     ctx_debug_call = ctx_debug;
 155     if (Options.debug)
 156         TASK_AddTaskEntryBreakpoint = DEBUG_AddTaskEntryBreakpoint;
 157
 158     /* Initialize everything */
 159     if (!MAIN_EmulatorInit()) return 1;
 160
 161     /* Load kernel modules */
 162     if (!LoadLibrary16(  "KERNEL" )) return 1;
 163     if (!LoadLibrary32A( "KERNEL32" )) return 1;
 164
 165     /* Create initial task */
 166     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL32" ) )) ) return 1;
 167     hInstance = NE_CreateInstance( pModule, NULL, TRUE );
 168     PROCESS_Current()->task = TASK_Create( THREAD_Current(), pModule, hInstance, 0, FALSE );
 169
 170     /* Initialize CALL32 routines */
 171     /* This needs to be done just before switching stacks */
 172     IF1632_CallLargeStack = (int (*)(int (*func)(), void *arg))CALL32_Init();
 173
 174     /* Switch to initial task */
 175     CURRENT_STACK16->frame32->retaddr = (DWORD)MAIN_EmulatorRun;
 176     TASK_StartTask( PROCESS_Current()->task );
 177     MSG( "main: Should never happen: returned from TASK_StartTask()\n" );
 178     return 0;
 179 }
 180