Bugfix: really *do* switch to the initial task's stack.

loader/main.c

@@ -26,6 +26,8 @@
 #include "gdi.h"
 #include "heap.h"
 #include "keyboard.h"
+#include "mouse.h"
+#include "input.h"
 #include "miscemu.h"
 #include "options.h"
 #include "process.h"
@@ -89,23 +91,11 @@ BOOL32 WINAPI MAIN_KernelInit(HINSTANCE32 hinstDLL, DWORD fdwReason, LPVOID lpvR
 {
     static BOOL32 initDone = FALSE;
 
-    NE_MODULE *pModule;
     HMODULE16 hModule;
 
     if ( initDone ) return TRUE;
     initDone = TRUE;
 
-    /* Create and switch to initial task */
-    pModule = NE_GetPtr( GetModuleHandle16( "KERNEL32" ) );
-    if ( pModule )
-    {
-        THDB *thdb = THREAD_Current();
-        HINSTANCE16 hInstance = NE_CreateInstance( pModule, NULL, TRUE );
-        thdb->process->task = TASK_Create( thdb, pModule, hInstance, 0, FALSE );
-
-        TASK_StartTask( thdb->process->task );
-    }
-
     /* Initialize special KERNEL entry points */
     hModule = GetModuleHandle16( "KERNEL" );
     if ( hModule )
@@ -211,9 +201,6 @@ BOOL32 WINAPI MAIN_UserInit(HINSTANCE32 hinstDLL, DWORD fdwReason, LPVOID lpvRes
     /* Create the DCEs */
     DCE_Init();
 
-    /* Initialize keyboard */
-    if (!KEYBOARD_Init()) return FALSE;
-
     /* Initialize window procedures */
     if (!WINPROC_Init()) return FALSE;
 
@@ -252,6 +239,12 @@ BOOL32 WINAPI MAIN_UserInit(HINSTANCE32 hinstDLL, DWORD fdwReason, LPVOID lpvRes
         if (!SetMessageQueue32( queueSize )) return FALSE;
     }
 
+    /* Initialize keyboard driver */
+    KEYBOARD_Enable( keybd_event, InputKeyStateTable );
+
+    /* Initialize mouse driver */
+    MOUSE_Enable( mouse_event );
+
     return TRUE;
 }
 

loader/task.c

@@ -642,7 +642,6 @@ void TASK_Reschedule(void)
             newframe32->ebp          = oldframe32->ebp;
             newframe32->restore_addr = oldframe32->restore_addr;
             newframe32->codeselector = oldframe32->codeselector;
-            newframe32->retaddr      = oldframe32->retaddr;  /* don't call TASK_CallToStart */
 
             THREAD_Current()->cur_stack = oldframe32->frame16;
         }

miscemu/main.c

@@ -15,8 +15,12 @@
 #include "win16drv.h"
 #include "psdrv.h"
 #include "thread.h"
+#include "task.h"
+#include "stackframe.h"
 #include "windows.h"
 
+static int MAIN_argc;
+static char **MAIN_argv;
 
 /***********************************************************************
  *           Emulator initialisation
@@ -38,31 +42,77 @@ BOOL32 MAIN_EmulatorInit(void)
     /* Create the Postscript printer driver (FIXME: should be in Winelib) */
     if (!PSDRV_Init()) return FALSE;
 
-    /* Load system DLLs into the initial process (and initialize them) */
-    if (!LoadLibrary16(  "KERNEL" )) return FALSE;         /* always built-in */
-    if (!LoadLibrary32A( "KERNEL32" )) return FALSE;       /* always built-in */
-
-    if (!LoadLibrary16(  "GDI.EXE" )) return FALSE;
-    if (!LoadLibrary32A( "GDI32.DLL" )) return FALSE;
-
-    if (!LoadLibrary16(  "USER.EXE" )) return FALSE;
-    if (!LoadLibrary32A( "USER32.DLL" )) return FALSE;
-    
     return TRUE;
 }
 
-
 /***********************************************************************
  *           Main loop of initial task
  */
 void MAIN_EmulatorRun( void )
 {
+    char startProg[256], defProg[256];
+    int i,loaded;
+    HINSTANCE32 handle;
+
     BOOL32 (*WINAPI pGetMessage)(MSG32* lpmsg,HWND32 hwnd,UINT32 min,UINT32 max);
     BOOL32 (*WINAPI pTranslateMessage)( const MSG32* msg );
     LONG   (*WINAPI pDispatchMessage)( const MSG32* msg );
+    HMODULE32 hModule;
     MSG32 msg;
 
-    HMODULE32 hModule = GetModuleHandle32A( "USER32" );
+    /* Load system DLLs into the initial process (and initialize them) */
+    if (   !LoadLibrary16("GDI.EXE" ) || !LoadLibrary32A("GDI32.DLL" )
+        || !LoadLibrary16("USER.EXE") || !LoadLibrary32A("USER32.DLL"))
+        ExitProcess( 1 );
+
+    /* Add the Default Program if no program on the command line */
+    if (!MAIN_argv[1])
+    {
+        PROFILE_GetWineIniString( "programs", "Default", "",
+                                  defProg, sizeof(defProg) );
+        if (defProg[0]) MAIN_argv[MAIN_argc++] = defProg;
+    }
+    
+    /* Add the Startup Program to the run list */
+    PROFILE_GetWineIniString( "programs", "Startup", "", 
+			       startProg, sizeof(startProg) );
+    if (startProg[0]) MAIN_argv[MAIN_argc++] = startProg;
+
+    loaded=0;
+    for (i = 1; i < MAIN_argc; i++)
+    {
+        if ((handle = WinExec32( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
+        {
+            MSG("wine: can't exec '%s': ", MAIN_argv[i]);
+            switch (handle)
+            {
+            case 2: MSG("file not found\n" ); break;
+            case 11: MSG("invalid exe file\n" ); break;
+            case 21: MSG("win32 executable\n" ); break; /* FIXME: Obsolete? */
+            default: MSG("error=%d\n", handle ); break;
+            }
+            ExitProcess( 1 );
+        }
+	loaded++;
+    }
+
+    if (!loaded) { /* nothing loaded */
+    	MAIN_Usage(MAIN_argv[0]);
+        ExitProcess( 1 );
+    }
+
+    if (GetNumTasks() <= 1)
+    {
+        MSG("wine: no executable file found.\n" );
+        ExitProcess( 0 );
+    }
+
+    if (Options.debug) DEBUG_AddModuleBreakpoints();
+
+
+    /* Start message loop for desktop window */
+
+    hModule = GetModuleHandle32A( "USER32" );
     pGetMessage       = GetProcAddress32( hModule, "GetMessageA" ); 
     pTranslateMessage = GetProcAddress32( hModule, "TranslateMessage" ); 
     pDispatchMessage  = GetProcAddress32( hModule, "DispatchMessageA" ); 
@@ -86,12 +136,12 @@ void MAIN_EmulatorRun( void )
  */
 int main( int argc, char *argv[] )
 {
+    NE_MODULE *pModule;
+    HINSTANCE16 hInstance;
     extern char * DEBUG_argv0;
-    char startProg[256], defProg[256];
-    int i,loaded;
-    HINSTANCE32 handle;
 
     __winelib = 0;  /* First of all, clear the Winelib flag */
+    ctx_debug_call = ctx_debug;
 
     /*
      * Save this so that the internal debugger can get a hold of it if
@@ -104,9 +154,9 @@ int main( int argc, char *argv[] )
 
     /* Parse command-line */
     if (!MAIN_WineInit( &argc, argv )) return 1;
+    MAIN_argc = argc; MAIN_argv = argv;
 
     /* Handle -dll option (hack) */
-
     if (Options.dllFlags)
     {
         if (!BUILTIN_ParseDLLOptions( Options.dllFlags ))
@@ -119,62 +169,25 @@ int main( int argc, char *argv[] )
     }
 
     /* Initialize everything */
-
     if (!MAIN_EmulatorInit()) return 1;
 
-    /* Initialize CALL32 routines */
-    /* This needs to be done just before task-switching starts */
+    /* Load kernel modules */
+    if (!LoadLibrary16(  "KERNEL" )) return 1;
+    if (!LoadLibrary32A( "KERNEL32" )) return 1;
 
-    loaded=0;
-    
-    /* Add the Default Program if no program on the command line */
-    if (!argv[1])
-    {
-        PROFILE_GetWineIniString( "programs", "Default", "",
-                                  defProg, sizeof(defProg) );
-        if (defProg[0]) argv[argc++] = defProg;
-    }
-    
-    /* Add the Startup Program to the run list */
-    PROFILE_GetWineIniString( "programs", "Startup", "", 
-			       startProg, sizeof(startProg) );
-    if (startProg[0]) argv[argc++] = startProg;
+    /* Create initial task */
+    if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL32" ) )) ) return 1;
+    hInstance = NE_CreateInstance( pModule, NULL, TRUE );
+    PROCESS_Current()->task = TASK_Create( THREAD_Current(), pModule, hInstance, 0, FALSE );
 
-    for (i = 1; i < argc; i++)
-    {
-        if ((handle = WinExec32( argv[i], SW_SHOWNORMAL )) < 32)
-        {
-            MSG("wine: can't exec '%s': ", argv[i]);
-            switch (handle)
-            {
-            case 2: MSG("file not found\n" ); break;
-            case 11: MSG("invalid exe file\n" ); break;
-            case 21: MSG("win32 executable\n" ); break; /* FIXME: Obsolete? */
-            default: MSG("error=%d\n", handle ); break;
-            }
-            return 1;
-        }
-	loaded++;
-    }
-
-    if (!loaded) { /* nothing loaded */
-    	MAIN_Usage(argv[0]);
-	return 1;
-    }
-
-    if (!GetNumTasks())
-    {
-        MSG("wine: no executable file found.\n" );
-        return 0;
-    }
-
-    if (Options.debug) DEBUG_AddModuleBreakpoints();
-
-    ctx_debug_call = ctx_debug;
-#if 0  /* FIXME!! */
+    /* Initialize CALL32 routines */
+    /* This needs to be done just before switching stacks */
     IF1632_CallLargeStack = (int (*)(int (*func)(), void *arg))CALL32_Init();
-#endif
-    MAIN_EmulatorRun();
-    MSG("WinMain: Should never happen: returned from Yield16()\n" );
+
+    /* Switch to initial task */
+    CURRENT_STACK16->frame32->retaddr = (DWORD)MAIN_EmulatorRun;
+    TASK_StartTask( PROCESS_Current()->task );
+    MSG( "main: Should never happen: returned from TASK_StartTask()\n" );
     return 0;
 }
+