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