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/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/**
 ------------
 CVS :        $Id: status.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $

 File:        $File$
 Revision:    $Revision: 1.1.1.1 $
 Last update: $Date: 2002-03-29 14:12:52 $
 ------------

 This file contains the sys_status stuffs

**/

/*
 * Copyright (C) 2000 Paolo Gai
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <stdarg.h>
#include <ll/ll.h>
#include <ll/stdlib.h>
#include <ll/stdio.h>
#include <ll/string.h>
#include <kernel/config.h>
#include <kernel/model.h>
#include <kernel/const.h>
#include <sys/types.h>
#include <kernel/types.h>
#include <kernel/descr.h>
#include <errno.h>
#include <kernel/var.h>
#include <kernel/func.h>

/*+ Convert a status in a string. Useful for sys_status and level_status +*/
char *status_to_a(WORD status)
{
  switch (status) {
    case FREE      : return "Free";
    case EXE       : return "Exe";
    case SLEEP     : return "Sleep";
    case WAIT_JOIN : return "Waiting on join";
    default        : return "Unknown";
  }
}

/*+ this primitive prints the status of the system +*/
void sys_status(DWORD cw)
{
  SYS_FLAGS f;        /* used with VM_save */
  LEVEL l;            /* a counter */
  struct timespec t;  /* the current time */

  f = kern_fsave();

  if (cw & CLOCK_STATUS) {
    ll_gettime(TIME_EXACT,&t);
    kern_printf("Time (EXACT) : %lus %luns\n", t.tv_sec, t.tv_nsec);
  }

  if (cw & SCHED_STATUS) {
    for (l=0; l<sched_levels; l++) {
      kern_printf("< Level %d : %s Code: %d Version: %d >\n", l,
                level_table[l]->level_name,
                level_table[l]->level_code,
                level_table[l]->level_version);
      level_table[l]->level_status(l);
    }
  }

  if (cw & MEM_STATUS) {
    kern_printf("< Memory Dump >\n");
    kern_mem_dump();
  }

  kern_frestore(f);
}