wine/miscemu/main.c
Ulrich Weigand fbea530884 On NE process creation, move major part of NE EXE module loading and
NE instance creation into the child process.
1999-07-03 12:26:29 +00:00

183 lines
4.8 KiB
C

/*
* Emulator initialisation code
*
*/
#include <stdlib.h>
#include <assert.h>
#include "wine/winbase16.h"
#include "callback.h"
#include "debugger.h"
#include "main.h"
#include "miscemu.h"
#include "win16drv.h"
#include "module.h"
#include "options.h"
#include "process.h"
#include "thread.h"
#include "task.h"
#include "stackframe.h"
#include "wine/exception.h"
#include "debugtools.h"
static int MAIN_argc;
static char **MAIN_argv;
extern int (*INSTR_IsRelay)( const void *addr );
static int is_relay_addr( const void *addr )
{
extern char CallFrom16_Start, CallFrom16_End, CALLTO16_Start, CALLTO16_End;
return ((((char *)addr >= &CallFrom16_Start) &&
((char *)addr < &CallFrom16_End)) ||
(((char *)addr >= &CALLTO16_Start) &&
((char *)addr < &CALLTO16_End)));
}
/***********************************************************************
* Emulator initialisation
*/
BOOL MAIN_EmulatorInit(void)
{
/* Main initialization */
if (!MAIN_MainInit()) return FALSE;
/* Initialize relay code */
if (!RELAY_Init()) return FALSE;
/* Create the Win16 printer driver */
if (!WIN16DRV_Init()) return FALSE;
return TRUE;
}
/***********************************************************************
* Main loop of initial task
*/
void MAIN_EmulatorRun( void )
{
extern void THUNK_InitCallout( void );
char startProg[256], defProg[256];
HINSTANCE handle;
int i, tasks = 0;
MSG msg;
/* Load system DLLs into the initial process (and initialize them) */
if ( !LoadLibrary16("GDI.EXE" ) || !LoadLibraryA("GDI32.DLL" )
|| !LoadLibrary16("USER.EXE") || !LoadLibraryA("USER32.DLL"))
ExitProcess( 1 );
/* Get pointers to USER routines called by KERNEL */
THUNK_InitCallout();
/* Call InitApp for initial task */
Callout.InitApp16( MapHModuleLS( 0 ) );
/* 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;
/* Abort if no executable on command line */
if (MAIN_argc <= 1)
{
MAIN_Usage(MAIN_argv[0]);
ExitProcess( 1 );
}
/* Load and run executables given on command line */
for (i = 1; i < MAIN_argc; i++)
{
if ((handle = WinExec( MAIN_argv[i], SW_SHOWNORMAL )) < 32)
{
MESSAGE("wine: can't exec '%s': ", MAIN_argv[i]);
switch (handle)
{
case 2: MESSAGE("file not found\n" ); break;
case 11: MESSAGE("invalid exe file\n" ); break;
default: MESSAGE("error=%d\n", handle ); break;
}
}
else tasks++;
}
if (!tasks)
{
MESSAGE("wine: no executable file found.\n" );
ExitProcess( 0 );
}
/* Start message loop for desktop window */
while ( GetNumTasks16() > 1 && Callout.GetMessageA( &msg, 0, 0, 0 ) )
{
Callout.TranslateMessage( &msg );
Callout.DispatchMessageA( &msg );
}
ExitProcess( 0 );
}
/**********************************************************************
* main
*/
int main( int argc, char *argv[] )
{
NE_MODULE *pModule;
extern char * DEBUG_argv0;
__winelib = 0; /* First of all, clear the Winelib flag */
/*
* Save this so that the internal debugger can get a hold of it if
* it needs to.
*/
DEBUG_argv0 = argv[0];
/* Create the initial process */
if (!PROCESS_Init()) return FALSE;
/* Parse command-line */
if (!MAIN_WineInit( &argc, argv )) return 1;
MAIN_argc = argc; MAIN_argv = argv;
/* Set up debugger hook */
INSTR_IsRelay = is_relay_addr;
EXC_SetDebugEventHook( wine_debugger );
if (Options.debug)
TASK_AddTaskEntryBreakpoint = DEBUG_AddTaskEntryBreakpoint;
/* Initialize everything */
if (!MAIN_EmulatorInit()) return 1;
/* Load kernel modules */
if (!LoadLibrary16( "KERNEL" )) return 1;
if (!LoadLibraryA( "KERNEL32" )) return 1;
/* Create initial task */
if ( !(pModule = NE_GetPtr( GetModuleHandle16( "KERNEL" ) )) ) return 1;
if ( !TASK_Create( pModule, FALSE ) ) return 1;
/* Switch to initial task */
PostEvent16( PROCESS_Current()->task );
TASK_Reschedule();
/* Switch stacks and jump to MAIN_EmulatorRun */
CALL32_Init( &IF1632_CallLargeStack, MAIN_EmulatorRun, NtCurrentTeb()->stack_top );
MESSAGE( "main: Should never happen: returned from CALL32_Init()\n" );
return 0;
}