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booted_dev.c revision 1.1 
      1  1.1  cgd /* $NetBSD: booted_dev.c,v 1.1 2002/11/09 06:20:39 cgd Exp $ */
      2  1.1  cgd 
      3  1.1  cgd /*
      4  1.1  cgd  * Copyright 2000, 2001
      5  1.1  cgd  * Broadcom Corporation. All rights reserved.
      6  1.1  cgd  *
      7  1.1  cgd  * This software is furnished under license and may be used and copied only
      8  1.1  cgd  * in accordance with the following terms and conditions.  Subject to these
      9  1.1  cgd  * conditions, you may download, copy, install, use, modify and distribute
     10  1.1  cgd  * modified or unmodified copies of this software in source and/or binary
     11  1.1  cgd  * form. No title or ownership is transferred hereby.
     12  1.1  cgd  *
     13  1.1  cgd  * 1) Any source code used, modified or distributed must reproduce and
     14  1.1  cgd  *    retain this copyright notice and list of conditions as they appear in
     15  1.1  cgd  *    the source file.
     16  1.1  cgd  *
     17  1.1  cgd  * 2) No right is granted to use any trade name, trademark, or logo of
     18  1.1  cgd  *    Broadcom Corporation. Neither the "Broadcom Corporation" name nor any
     19  1.1  cgd  *    trademark or logo of Broadcom Corporation may be used to endorse or
     20  1.1  cgd  *    promote products derived from this software without the prior written
     21  1.1  cgd  *    permission of Broadcom Corporation.
     22  1.1  cgd  *
     23  1.1  cgd  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
     24  1.1  cgd  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
     25  1.1  cgd  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
     26  1.1  cgd  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
     27  1.1  cgd  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
     28  1.1  cgd  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  1.1  cgd  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  1.1  cgd  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     31  1.1  cgd  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     32  1.1  cgd  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     33  1.1  cgd  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  1.1  cgd  */
     35  1.1  cgd 
     36  1.1  cgd #include <lib/libsa/stand.h>
     37  1.1  cgd #include <lib/libkern/libkern.h>
     38  1.1  cgd 
     39  1.1  cgd #include "stand/common/common.h"
     40  1.1  cgd #include "stand/common/cfe_api.h"
     41  1.1  cgd 
     42  1.1  cgd int	booted_dev_fd;
     43  1.1  cgd #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
     44  1.1  cgd char	booted_dev_name[BOOTED_DEV_MAXNAMELEN];
     45  1.1  cgd #endif /* defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) */
     46  1.1  cgd 
     47  1.1  cgd #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
     48  1.1  cgd int booted_dev_open(void)
     49  1.1  cgd {
     50  1.1  cgd     if (cfe_getenv("BOOT_DEVICE",booted_dev_name,sizeof(booted_dev_name)) != 0) {
     51  1.1  cgd 	return 0;
     52  1.1  cgd 	}
     53  1.1  cgd 
     54  1.1  cgd     booted_dev_fd = cfe_open(booted_dev_name);
     55  1.1  cgd 
     56  1.1  cgd     return 1;
     57  1.1  cgd }
     58  1.1  cgd #endif
     59  1.1  cgd 
     60  1.1  cgd void booted_dev_close(void)
     61  1.1  cgd {
     62  1.1  cgd     cfe_close(booted_dev_fd);
     63  1.1  cgd }
     64