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 "debugger.h"
  11 #include "main.h"
  12 #include "miscemu.h"
  13 #include "module.h"
  14 #include "options.h"
  15 #include "process.h"
  16 #include "thread.h"
  17 #include "task.h"
  18 #include "stackframe.h"
  19 #include "wine/exception.h"
  20 #include "debugtools.h"
  21
  22 static int MAIN_argc;
  23 static char **MAIN_argv;
  24
  25
  26 /***********************************************************************
  27  *           Main loop of initial task
  28  */
  29 void MAIN_EmulatorRun( void )
  30 {
  31     char startProg[256], defProg[256];
  32     HINSTANCE handle;
  33     int i, tasks = 0;
  34     MSG msg;
  35
  36     /* Load system DLLs into the initial process (and initialize them) */
  37     if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
  38         || !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
  39         ExitProcess( 1 );
  40
  41     /* Get pointers to USER routines called by KERNEL */
  42     THUNK_InitCallout();
  43
  44     /* Call FinalUserInit routine */
  45     Callout.FinalUserInit16();
  46
  47     /* Call InitApp for initial task */
  48     Callout.InitApp16( MapHModuleLS( 0 ) );
  49
  50     /* Add the Default Program if no program on the command line */
  51     if (!MAIN_argv[1])
  52     {
  53         PROFILE_GetWineIniString( "programs", "Default", "",
  54                                   defProg, sizeof(defProg) );
  55         if (defProg[0]) MAIN_argv[MAIN_argc++] = defProg;
  56     }
  57
  58     /* Add the Startup Program to the run list */
  59     PROFILE_GetWineIniString( "programs", "Startup", "",
  60                                startProg, sizeof(startProg) );
  61     if (startProg[0]) MAIN_argv[MAIN_argc++] = startProg;
  62
  63     /* Abort if no executable on command line */
  64     if (MAIN_argc <= 1)
  65     {
  66         MAIN_Usage(MAIN_argv[0]);
  67         ExitProcess( 1 );
  68     }
  69
  70     /* Load and run executables given on command line */
  71     for (i = 1; i < MAIN_argc; i++)
  72     {
  73         if ((handle = WinExec( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
  74         {
  75             MESSAGE("wine: can't exec '%s': ", MAIN_argv[i]);
  76             switch (handle)
  77             {
  78             case 2: MESSAGE("file not found\n" ); break;
  79             case 11: MESSAGE("invalid exe file\n" ); break;
  80             default: MESSAGE("error=%d\n", handle ); break;
  81             }
  82         }
  83         else tasks++;
  84     }
  85
  86     if (!tasks)
  87     {
  88         MESSAGE("wine: no executable file found.\n" );
  89         ExitProcess( 0 );
  90     }
  91
  92     /* Start message loop for desktop window */
  93
  94     while ( GetNumTasks16() > 1  && Callout.GetMessageA( &msg, 0, 0, 0 ) )
  95     {
  96         Callout.TranslateMessage( &msg );
  97         Callout.DispatchMessageA( &msg );
  98     }
  99
 100     ExitProcess( 0 );
 101 }
 102
 103
 104 /**********************************************************************
 105  *           main
 106  */
 107 int main( int argc, char *argv[] )
 108 {
 109     NE_MODULE *pModule;
 110     extern char * DEBUG_argv0;
 111
 112     /*
 113      * Save this so that the internal debugger can get a hold of it if
 114      * it needs to.
 115      */
 116     DEBUG_argv0 = argv[0];
 117
 118     /* Set up debugger hook */
 119     EXC_SetDebugEventHook( wine_debugger );
 120     TASK_AddTaskEntryBreakpoint = DEBUG_AddTaskEntryBreakpoint;
 121
 122     /* Initialize everything */
 123     if (!MAIN_MainInit( &argc, argv )) return 1;
 124     MAIN_argc = argc; MAIN_argv = argv;
 125
 126     /* Create initial task */
 127     if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
 128     if ( !TASK_Create( pModule, FALSE ) ) return 1;
 129
 130     /* Switch to initial task */
 131     PostEvent16( PROCESS_Current()->task );
 132     TASK_Reschedule();
 133
 134     /* Switch stacks and jump to MAIN_EmulatorRun */
 135     CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
 136
 137     MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
 138     return 0;
 139 }