Home | History | Annotate | Line # | Download | only in ras1
ras1.c revision 1.5 
      1  1.5    martin /* $NetBSD: ras1.c,v 1.5 2004/01/18 16:47:06 martin Exp $ */
      2  1.2  gmcgarry 
      3  1.2  gmcgarry /*-
      4  1.2  gmcgarry  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  1.2  gmcgarry  * All rights reserved.
      6  1.2  gmcgarry  *
      7  1.2  gmcgarry  * Redistribution and use in source and binary forms, with or without
      8  1.2  gmcgarry  * modification, are permitted provided that the following conditions
      9  1.2  gmcgarry  * are met:
     10  1.2  gmcgarry  * 1. Redistributions of source code must retain the above copyright
     11  1.2  gmcgarry  *    notice, this list of conditions and the following disclaimer.
     12  1.2  gmcgarry  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2  gmcgarry  *    notice, this list of conditions and the following disclaimer in the
     14  1.2  gmcgarry  *    documentation and/or other materials provided with the distribution.
     15  1.2  gmcgarry  * 3. All advertising materials mentioning features or use of this software
     16  1.2  gmcgarry  *    must display the following acknowledgement:
     17  1.2  gmcgarry  *      This product includes software developed by the NetBSD
     18  1.2  gmcgarry  *      Foundation, Inc. and its contributors.
     19  1.2  gmcgarry  * 4. Neither the name of The NetBSD Foundation nor the names of its
     20  1.2  gmcgarry  *    contributors may be used to endorse or promote products derived
     21  1.2  gmcgarry  *    from this software without specific prior written permission.
     22  1.2  gmcgarry  *
     23  1.2  gmcgarry  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     24  1.2  gmcgarry  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     25  1.2  gmcgarry  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     26  1.2  gmcgarry  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     27  1.2  gmcgarry  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     28  1.2  gmcgarry  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     29  1.2  gmcgarry  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     30  1.2  gmcgarry  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     31  1.2  gmcgarry  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     32  1.2  gmcgarry  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     33  1.2  gmcgarry  * POSSIBILITY OF SUCH DAMAGE.
     34  1.2  gmcgarry  */
     35  1.2  gmcgarry 
     36  1.5    martin #include <errno.h>
     37  1.1  gmcgarry #include <stdio.h>
     38  1.1  gmcgarry #include <signal.h>
     39  1.1  gmcgarry #include <sys/ras.h>
     40  1.1  gmcgarry #include <sys/time.h>
     41  1.1  gmcgarry 
     42  1.1  gmcgarry #define COUNT	10
     43  1.1  gmcgarry 
     44  1.1  gmcgarry __volatile int handled = 0;
     45  1.1  gmcgarry __volatile int count = 0;
     46  1.1  gmcgarry struct itimerval itv;
     47  1.1  gmcgarry 
     48  1.1  gmcgarry void handler(int);
     49  1.1  gmcgarry 
     50  1.1  gmcgarry void
     51  1.1  gmcgarry handler(int sig)
     52  1.1  gmcgarry {
     53  1.1  gmcgarry 
     54  1.1  gmcgarry 	handled++;
     55  1.1  gmcgarry }
     56  1.1  gmcgarry 
     57  1.1  gmcgarry int
     58  1.1  gmcgarry main(void)
     59  1.1  gmcgarry {
     60  1.1  gmcgarry 
     61  1.1  gmcgarry         signal(SIGVTALRM, handler);
     62  1.1  gmcgarry 
     63  1.1  gmcgarry         itv.it_interval.tv_sec = 0;
     64  1.1  gmcgarry         itv.it_interval.tv_usec = 0;
     65  1.1  gmcgarry         itv.it_value.tv_sec = 10;
     66  1.1  gmcgarry         itv.it_value.tv_usec = 0;
     67  1.1  gmcgarry         setitimer(ITIMER_VIRTUAL, &itv, NULL);
     68  1.1  gmcgarry 
     69  1.1  gmcgarry 	if (rasctl((caddr_t)&&start, (caddr_t)&&end - (caddr_t)&&start,
     70  1.5    martin 	    RAS_INSTALL) < 0) {
     71  1.5    martin 		if (errno == EOPNOTSUPP) {
     72  1.5    martin 			printf("RAS is not supported on this architecture\n");
     73  1.5    martin 			return 0;
     74  1.5    martin 		}
     75  1.1  gmcgarry 		return (1);
     76  1.5    martin 	}
     77  1.4    martin 
     78  1.4    martin 	__insn_barrier();
     79  1.1  gmcgarry start:
     80  1.1  gmcgarry 	count++;
     81  1.1  gmcgarry 	if (count > COUNT)
     82  1.1  gmcgarry 		goto end;
     83  1.1  gmcgarry 
     84  1.1  gmcgarry 	while (!handled) {
     85  1.1  gmcgarry 		continue;
     86  1.1  gmcgarry 	}
     87  1.1  gmcgarry end:
     88  1.4    martin 	__insn_barrier();
     89  1.1  gmcgarry 
     90  1.1  gmcgarry 	return (handled != 0);
     91  1.1  gmcgarry }
     92