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      1 /*	$NetBSD: iris_devopen.c,v 1.1 2019/01/12 16:44:47 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2018 Naruaki Etomi
      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 /*
     29  * Silicon Graphics "IRIS" series MIPS processors machine bootloader.
     30  */
     31 
     32 #include <lib/libsa/stand.h>
     33 #include <lib/libkern/libkern.h>
     34 #include "iris_machdep.h"
     35 
     36 int
     37 devopen(struct open_file *f, const char *fname, char **file)
     38 {
     39 	int error;
     40 	const char *cp;
     41 
     42 	struct devsw *dp;
     43 
     44 	cp = fname;
     45 
     46 	dp = &devsw[0];
     47 
     48 	error = (dp->dv_open)(f, fname);
     49 
     50 	if (error)
     51 		return error;
     52 
     53 	f->f_dev = dp;
     54 
     55 	if (file && *cp != '\0')
     56 		*file = (char *)cp;	/* XXX */
     57 
     58 	return 0;
     59 }
     60