/*===========================================================================*
 *                               Terminal Task                               *
 *===========================================================================*
 * Written by : Martin Bajgar                                                             *
 * Last update: 04-06-1997                                                   *
 *===========================================================================*/
// neni dodelano je treba rozebrat nastavovaci zpravu dopnit pripraveny kod
/*===========================================================================*
 *                              do_ioctl                                     *
 *===========================================================================*/

/* Perform an IOCTL on this terminal */
PRIVATE void do_ioctl(struct tty_struct *tp, message *m_ptr)
{
 struct tty_params paramsp;
 struct tty_ctrlchars paramsc;
 struct rs232_params params232;
     switch (m_ptr->m_request) {
       case TIOCSETP: // nastaveni erase, kill znaku a mode flags
       sys_copy(m_ptr->m_proc_nr,D,m_ptr->m_address,TTY,D,(vir_bytes) &paramsp,4);
		//vytahnu si 4 byte
	 tp->tty_erase      = paramsp.tty_erase;
	 tp->tty_kill  	    = paramsp.tty_kill;
	 tp->tty_mode       = paramsp.tty_mode;
	 tp->tty_discipline = paramsp.tty_discipline;
	 break;
       case TIOCSETC: // nastaveni znaku pro intr, quit, xon, xoff, eof
       sys_copy(m_ptr->m_proc_nr,D,m_ptr->m_address,TTY,D,(vir_bytes)&paramsc,sizeof(paramsc));
	 tp->tty_intr = paramsc.tty_intr;
	 tp->tty_quit = paramsc.tty_quit;
	 tp->tty_xon  = paramsc.tty_xon;
	 tp->tty_xoff = paramsc.tty_xoff;
	 tp->tty_eof  = paramsc.tty_eof;
	 break;
       case TIOCGETP: // cteni erase, kill chars and mode flags
	 paramsp.tty_erase      = tp->tty_erase;
	 paramsp.tty_kill       = tp->tty_kill;
	 paramsp.tty_mode       = tp->tty_mode;
	 paramsp.tty_discipline = tp->tty_discipline;
       sys_copy(TTY,D,(vir_bytes)&paramsp,m_ptr->m_proc_nr,D,m_ptr->m_address,sizeof(paramsp));

	 break;
       case TIOCGETC: // cteni znaku pro intr, quit, xon, xoff, eof
	 paramsc.tty_intr = tp->tty_intr;
	 paramsc.tty_quit = tp->tty_quit;
	 paramsc.tty_xon  = tp->tty_xon;
	 paramsc.tty_xoff = tp->tty_xoff;
	 paramsc.tty_eof  = tp->tty_eof;
	 sys_copy(TTY,D,(vir_bytes)&paramsc,m_ptr->m_proc_nr,D,m_ptr->m_address,sizeof(paramsc));
	 break;
       case SETRS232:
	 sys_copy(m_ptr->m_proc_nr,D,m_ptr->m_address,TTY,D,(vir_bytes)&params232,sizeof(struct rs232_params));
	 tp->rs232=params232;
	 switch (m_ptr->m_tty_line) {
	   case RS232LINE1:
	     init(1,tp->rs232.stop_bity,tp->rs232.rychlost_prenosu,tp->rs232.parita);
	   break;
	   case RS232LINE2:
	     init(2,tp->rs232.stop_bity,tp->rs232.rychlost_prenosu,tp->rs232.parita);
	   break;
	 }
       }    //switch m_ptr->m_request
 task_reply(OK,OK,tp->tty_incaller, tp->tty_inproc);
}