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 "psdrv.h"
  17 #include "thread.h"
  18 #include "task.h"
  19 #include "stackframe.h"
  20 #include "windows.h"
  21
  22 static int MAIN_argc;
  23 static char **MAIN_argv;
  24
  25 /***********************************************************************
  26  *           Emulator initialisation
  27  */
  28 BOOL32 MAIN_EmulatorInit(void)
  29 {
  30     /* Main initialization */
  31     if (!MAIN_MainInit()) return FALSE;
  32
  33     /* Initialize relay code */
  34     if (!RELAY_Init()) return FALSE;
  35
  36     /* Initialize signal handling */
  37     if (!SIGNAL_InitEmulator()) return FALSE;
  38
  39     /* Create the Win16 printer driver */
  40     if (!WIN16DRV_Init()) return FALSE;
  41
  42     /* Create the Postscript printer driver (FIXME: should be in Winelib) */
  43     if (!PSDRV_Init()) return FALSE;
  44
  45     return TRUE;
  46 }
  47
  48 /***********************************************************************
  49  *           Main loop of initial task
  50  */
  51 void MAIN_EmulatorRun( void )
  52 {
  53     char startProg[256], defProg[256];
  54     HINSTANCE32 handle;
  55     int i;
  56
  57     BOOL32 (*WINAPI pGetMessage)(MSG32* lpmsg,HWND32 hwnd,UINT32 min,UINT32 max);
  58     BOOL32 (*WINAPI pTranslateMessage)( const MSG32* msg );
  59     LONG   (*WINAPI pDispatchMessage)( const MSG32* msg );
  60     HMODULE32 hModule;
  61     MSG32 msg;
  62
  63     /* Load system DLLs into the initial process (and initialize them) */
  64     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibrary32A("GDI32.DLL" )
  65         || !LoadLibrary16("USER.EXE") || !LoadLibrary32A("USER32.DLL"))
  66         ExitProcess( 1 );
  67
  68     /* Add the Default Program if no program on the command line */
  69     if (!MAIN_argv[1])
  70     {
  71         PROFILE_GetWineIniString( "programs", "Default", "",
  72                                   defProg, sizeof(defProg) );
  73         if (defProg[0]) MAIN_argv[MAIN_argc++] = defProg;
  74     }
  75
  76     /* Add the Startup Program to the run list */
  77     PROFILE_GetWineIniString( "programs", "Startup", "",
  78                                startProg, sizeof(startProg) );
  79     if (startProg[0]) MAIN_argv[MAIN_argc++] = startProg;
  80
  81     /* Abort if no executable on command line */
  82     if (MAIN_argc <= 1)
  83     {
  84         MAIN_Usage(MAIN_argv[0]);
  85         exit(1);
  86     }
  87
  88     /* Load and run executables given on command line */
  89     for (i = 1; i < MAIN_argc; i++)
  90         if ((handle = WinExec32( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
  91         {
  92             MSG("wine: can't exec '%s': ", MAIN_argv[i]);
  93             switch (handle)
  94             {
  95             case 2: MSG("file not found\n" ); break;
  96             case 11: MSG("invalid exe file\n" ); break;
  97             default: MSG("error=%d\n", handle ); break;
  98             }
  99         }
 100
 101     if (GetNumTasks() <= 1)
 102     {
 103         MSG("wine: no executable file found.\n" );
 104         ExitProcess( 0 );
 105     }
 106
 107
 108     /* Start message loop for desktop window */
 109
 110     hModule = GetModuleHandle32A( "USER32" );
 111     pGetMessage       = GetProcAddress32( hModule, "GetMessageA" );
 112     pTranslateMessage = GetProcAddress32( hModule, "TranslateMessage" );
 113     pDispatchMessage  = GetProcAddress32( hModule, "DispatchMessageA" );
 114
 115     assert( pGetMessage );
 116     assert( pTranslateMessage );
 117     assert( pDispatchMessage );
 118
 119     while ( GetNumTasks() > 1 && pGetMessage( &msg, 0, 0, 0 ) )
 120     {
 121         pTranslateMessage( &msg );
 122         pDispatchMessage( &msg );
 123     }
 124
 125     ExitProcess( 0 );
 126 }
 127
 128
 129 /**********************************************************************
 130  *           main
 131  */
 132 int main( int argc, char *argv[] )
 133 {
 134     NE_MODULE *pModule;
 135     HINSTANCE16 hInstance;
 136     extern char * DEBUG_argv0;
 137
 138     __winelib = 0;  /* First of all, clear the Winelib flag */
 139
 140     /*
 141      * Save this so that the internal debugger can get a hold of it if
 142      * it needs to.
 143      */
 144     DEBUG_argv0 = argv[0];
 145
 146     /* Create the initial process */
 147     if (!PROCESS_Init()) return FALSE;
 148
 149     /* Parse command-line */
 150     if (!MAIN_WineInit( &argc, argv )) return 1;
 151     MAIN_argc = argc; MAIN_argv = argv;
 152
 153     /* Handle -dll option (hack) */
 154     if (Options.dllFlags)
 155     {
 156         if (!BUILTIN_ParseDLLOptions( Options.dllFlags ))
 157         {
 158             MSG("%s: Syntax: -dll +xxx,... or -dll -xxx,...\n",
 159                      argv[0] );
 160             BUILTIN_PrintDLLs();
 161             exit(1);
 162         }
 163     }
 164
 165     /* Set up debugger callback routines */
 166     ctx_debug_call = ctx_debug;
 167     if (Options.debug)
 168         TASK_AddTaskEntryBreakpoint = DEBUG_AddTaskEntryBreakpoint;
 169
 170     /* Initialize everything */
 171     if (!MAIN_EmulatorInit()) return 1;
 172
 173     /* Load kernel modules */
 174     if (!LoadLibrary16(  "KERNEL" )) return 1;
 175     if (!LoadLibrary32A( "KERNEL32" )) return 1;
 176
 177     /* Create initial task */
 178     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL32" ) )) ) return 1;
 179     hInstance = NE_CreateInstance( pModule, NULL, TRUE );
 180     PROCESS_Current()->task = TASK_Create( THREAD_Current(), pModule, hInstance, 0, FALSE );
 181
 182     /* Initialize CALL32 routines */
 183     /* This needs to be done just before switching stacks */
 184     IF1632_CallLargeStack = (int (*)(int (*func)(), void *arg))CALL32_Init();
 185
 186     /* Switch to initial task */
 187     CURRENT_STACK16->frame32->retaddr = (DWORD)MAIN_EmulatorRun;
 188     TASK_StartTask( PROCESS_Current()->task );
 189     MSG( "main: Should never happen: returned from TASK_StartTask()\n" );
 190     return 0;
 191 }
 192