cpu/avr/mtarch.h

   1 /*
   2  * Copyright (c) 2005, Swedish Institute of Computer Science
   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  * 3. Neither the name of the Institute nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * This file is part of the Contiki operating system.
  30  */
  31
  32 /**
  33  * \file
  34  *         AVR specific implementation of multithreading architecture
  35  * \author
  36  *         Adam Dunkels <adam@sics.se>
  37  * \author
  38  *         Simon Barner <barner@in.tum.de>
  39  *
  40  * @(#)$Id: mtarch.h,v 1.2 2006/12/22 16:55:53 barner Exp $
  41  */
  42
  43 #ifndef __MTARCH_H__
  44 #define __MTARCH_H__
  45
  46 #include "contiki-conf.h"
  47
  48 #ifdef MTARCH_CONF_STACKSIZE
  49 #define MTARCH_STACKSIZE MTARCH_CONF_STACKSIZE
  50 #else
  51 #define MTARCH_STACKSIZE 128
  52 #endif
  53
  54 struct mtarch_thread {
  55   unsigned char stack[MTARCH_STACKSIZE];
  56   unsigned char *sp;
  57 };
  58
  59 #endif /* __MTARCH_H__ */
  60