src/core/timer.c

   1 /*
   2  * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 FILE_LICENCE ( GPL2_OR_LATER );
  20
  21 #include <unistd.h>
  22
  23 /**
  24  * Delay for a fixed number of milliseconds
  25  *
  26  * @v msecs             Number of milliseconds for which to delay
  27  */
  28 void mdelay ( unsigned long msecs ) {
  29         while ( msecs-- )
  30                 udelay ( 1000 );
  31 }
  32
  33 /**
  34  * Delay for a fixed number of seconds
  35  *
  36  * @v secs              Number of seconds for which to delay
  37  */
  38 unsigned int sleep ( unsigned int secs ) {
  39         while ( secs-- )
  40                 mdelay ( 1000 );
  41         return 0;
  42 }