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      1 /*	$NetBSD: crt0.c,v 1.1 2009/03/02 09:33:02 nonaka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2009 NONAKA Kimihiro <nonaka (at) netbsd.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "boot.h"
     29 #include "unixdev.h"
     30 
     31 #define	HEAP_SIZE	(4 * 1024 * 1024)	/* heap: 4MB */
     32 char heap_area[HEAP_SIZE];
     33 
     34 int debug = 1;
     35 
     36 void _start(void);
     37 
     38 void
     39 _start(void)
     40 {
     41 
     42 	setheap(heap_area, heap_area + HEAP_SIZE);
     43 
     44 	boot(0);
     45 
     46 	uexit(0);
     47 	/*NOTREACHED*/
     48 }
     49 
     50 void
     51 _rtt(void)
     52 {
     53 
     54 	uexit(1);
     55 	/*NOTREACHED*/
     56 }
     57