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/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 1999 Massimiliano Giorgi
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/*
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 * CVS :        $Id: panic.c,v 1.2 2005-01-08 14:46:42 pj Exp $
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 *
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 * File:        $File$
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 * Revision:    $Revision: 1.2 $
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 * Last update: $Date: 2005-01-08 14:46:42 $
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 */
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#include <ll/i386/cons.h>
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#include <arch/stdarg.h>
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#include <arch/string.h>
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#include <arch/stdio.h>
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#include <stdlib.h>
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#include <kernel/func.h>
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// defined in kern.c
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extern int runlevel;
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static char buf[1024]; /* DANGER !!!!! */
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static void sys_panic_stub(void *arg)
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{
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  cprintf("KERNEL PANIC (sys_panic_stub): %s\n",buf);
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}
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void sys_panic(const char * fmt, ...)
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{
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  va_list ap;
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  va_start(ap, fmt);
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  vsprintf(buf,(char*)fmt,ap);
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  va_end(ap);
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  sys_atrunlevel(sys_panic_stub, NULL, RUNLEVEL_AFTER_EXIT);
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  printk("KERNEL PANIC (sys_panic): %s\n",buf);
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  if (!ll_ActiveInt()) {
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    if (runlevel==RUNLEVEL_RUNNING)
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      exit(333);
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    if (runlevel==RUNLEVEL_SHUTDOWN)
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      sys_abort_shutdown(333);
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  }
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  else
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    kern_raise(XPANIC_INSIDE_IRQ, exec_shadow);
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}
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