1/*	$NetBSD: devopen.c,v 1.1.24.1 2005/01/24 08:35:03 skrll Exp $	*/
2
3
4#include <sys/types.h>
5#include <machine/mon.h>
6
7#include <stand.h>
8#include "libsa.h"
9
10/*
11 * Open the device named by the combined device/file name
12 * given as the "fname" arg, something like: "sd()netbsd"
13 *
14 * However, Sun PROMs don't really let you choose which
15 * device you will talk to.  You can only open the device
16 * that was used to load the boot program.  Therefore, we
17 * do not accept a "device" part in the "fname" string.
18 * Pass the PROM device name to open in case it needs it.
19 */
20int
21devopen(struct open_file *f, const char *fname, char **file)
22{
23	struct devsw *dp;
24	int error;
25
26	*file = (char*)fname;
27	dp = &devsw[0];
28	f->f_dev = dp;
29	error = (*dp->dv_open)(f, prom_bootdev);
30
31	return (error);
32}
33