11.2Smrg/* $NetBSD: booted_dev.c,v 1.2 2017/07/24 10:34:54 mrg Exp $ */
21.1Smrg
31.1Smrg/*
41.1Smrg * Copyright 2000, 2001
51.1Smrg * Broadcom Corporation. All rights reserved.
61.1Smrg *
71.1Smrg * This software is furnished under license and may be used and copied only
81.1Smrg * in accordance with the following terms and conditions.  Subject to these
91.1Smrg * conditions, you may download, copy, install, use, modify and distribute
101.1Smrg * modified or unmodified copies of this software in source and/or binary
111.1Smrg * form. No title or ownership is transferred hereby.
121.1Smrg *
131.1Smrg * 1) Any source code used, modified or distributed must reproduce and
141.1Smrg *    retain this copyright notice and list of conditions as they appear in
151.1Smrg *    the source file.
161.1Smrg *
171.1Smrg * 2) No right is granted to use any trade name, trademark, or logo of
181.1Smrg *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
191.1Smrg *    used to endorse or promote products derived from this software
201.1Smrg *    without the prior written permission of Broadcom Corporation.
211.1Smrg *
221.1Smrg * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
231.1Smrg *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
241.1Smrg *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
251.1Smrg *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
261.1Smrg *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
271.1Smrg *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
281.1Smrg *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
291.1Smrg *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
301.1Smrg *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
311.1Smrg *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
321.1Smrg *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
331.1Smrg */
341.1Smrg
351.1Smrg#include <lib/libsa/stand.h>
361.1Smrg#include <lib/libkern/libkern.h>
371.1Smrg
381.2Smrg#include "stand/sbmips/common/common.h"
391.2Smrg#include "stand/sbmips/common/cfe_api.h"
401.1Smrg
411.1Smrgint	booted_dev_fd;
421.1Smrg#if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
431.1Smrgchar	booted_dev_name[BOOTED_DEV_MAXNAMELEN];
441.1Smrg#endif /* defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) */
451.1Smrg
461.1Smrg#if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK)
471.1Smrgint booted_dev_open(void)
481.1Smrg{
491.1Smrg    if (cfe_getenv("BOOT_DEVICE",booted_dev_name,sizeof(booted_dev_name)) != 0) {
501.1Smrg	return 0;
511.1Smrg	}
521.1Smrg
531.1Smrg    booted_dev_fd = cfe_open(booted_dev_name);
541.1Smrg
551.1Smrg    return 1;
561.1Smrg}
571.1Smrg#endif
581.1Smrg
591.1Smrgvoid booted_dev_close(void)
601.1Smrg{
611.1Smrg    cfe_close(booted_dev_fd);
621.1Smrg}
63