sys/boot/ofw/libofw/ofw_time.c

   1 /*
   2  * Copyright (c) 2000 Benno Rice
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/boot/ofw/libofw/ofw_time.c,v 1.3 2001/10/07 13:27:27 benno Exp $
  27  * $DragonFly: src/sys/boot/ofw/libofw/ofw_time.c,v 1.1 2003/11/10 06:08:37 dillon Exp $
  28  */
  29
  30 #include <stand.h>
  31 #include "openfirm.h"
  32
  33 time_t
  34 time(time_t *tloc)
  35 {
  36         int secs;
  37
  38         secs = OF_milliseconds() / 1000;
  39         if (tloc)
  40                 *tloc = secs;
  41         return secs;
  42 }
  43
  44 int
  45 getsecs()
  46 {
  47         time_t  n = 0;
  48         time(&n);
  49         return n;
  50 }
  51
  52 void
  53 delay(int usecs)
  54 {
  55         int     msecs, start;
  56
  57         msecs = usecs / 1000;
  58         start = OF_milliseconds();
  59
  60         while (OF_milliseconds() - start < msecs);
  61 }