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
devopen(struct open_file * f,const char * fname,char ** file)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