1 /* $NetBSD: booted_dev.c,v 1.2 2003/02/07 17:52:08 cgd Exp $ */
2
3 /*
4 * Copyright 2000, 2001
5 * Broadcom Corporation. All rights reserved.
6 *
7 * This software is furnished under license and may be used and copied only
8 * in accordance with the following terms and conditions. Subject to these
9 * conditions, you may download, copy, install, use, modify and distribute
10 * modified or unmodified copies of this software in source and/or binary
11 * form. No title or ownership is transferred hereby.
12 *
13 * 1) Any source code used, modified or distributed must reproduce and
14 * retain this copyright notice and list of conditions as they appear in
15 * the source file.
16 *
17 * 2) No right is granted to use any trade name, trademark, or logo of
18 * Broadcom Corporation. The "Broadcom Corporation" name may not be
19 * used to endorse or promote products derived from this software
20 * without the prior written permission of Broadcom Corporation.
21 *
22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <lib/libsa/stand.h>
36 #include <lib/libkern/libkern.h>
37
38 #include "stand/common/common.h"
39 #include "stand/common/cfe_api.h"
40
41 int booted_dev_fd;
42 #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
43 char booted_dev_name[BOOTED_DEV_MAXNAMELEN];
44 #endif /* defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) */
45
46 #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
booted_dev_open(void)47 int booted_dev_open(void)
48 {
49 if (cfe_getenv("BOOT_DEVICE",booted_dev_name,sizeof(booted_dev_name)) != 0) {
50 return 0;
51 }
52
53 booted_dev_fd = cfe_open(booted_dev_name);
54
55 return 1;
56 }
57 #endif
58
booted_dev_close(void)59 void booted_dev_close(void)
60 {
61 cfe_close(booted_dev_fd);
62 }
63