1 /* $NetBSD: booted_dev.c,v 1.1 2002/11/09 06:20:39 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. Neither the "Broadcom Corporation" name nor any 19 * trademark or logo of Broadcom Corporation may be used to endorse or 20 * promote products derived from this software without the prior written 21 * permission of Broadcom Corporation. 22 * 23 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 26 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 27 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 28 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <lib/libsa/stand.h> 37 #include <lib/libkern/libkern.h> 38 39 #include "stand/common/common.h" 40 #include "stand/common/cfe_api.h" 41 42 int booted_dev_fd; 43 #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) 44 char booted_dev_name[BOOTED_DEV_MAXNAMELEN]; 45 #endif /* defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) */ 46 47 #if defined(PRIMARY_BOOTBLOCK) || defined(UNIFIED_BOOTBLOCK) 48 int booted_dev_open(void) 49 { 50 if (cfe_getenv("BOOT_DEVICE",booted_dev_name,sizeof(booted_dev_name)) != 0) { 51 return 0; 52 } 53 54 booted_dev_fd = cfe_open(booted_dev_name); 55 56 return 1; 57 } 58 #endif 59 60 void booted_dev_close(void) 61 { 62 cfe_close(booted_dev_fd); 63 } 64