1 /* $NetBSD: boot_flag.h,v 1.3 2001/07/01 02:56:21 gmcgarry Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY 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 BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _SYS_BOOT_FLAG_H_ 37 #define _SYS_BOOT_FLAG_H_ 38 39 #include <sys/reboot.h> 40 41 /* 42 * Recognize standard boot arguments. If the flag is known, appropriate 43 * value is or'ed to retval, otherwise retval is left intact. 44 * Note that not all ports use all flags recognized here. This list is mere 45 * concatenation of all non-conflicting standard boot flags. Individual ports 46 * might use also other flags (see e.g. alpha). 47 */ 48 #define BOOT_FLAG(arg, retval) do { \ 49 switch (arg) { \ 50 case 'a': /* ask for file name to boot from */ \ 51 (retval) |= RB_ASKNAME; \ 52 break; \ 53 case 'b': /* always halt, never reboot */ \ 54 (retval) |= RB_HALT; \ 55 break; \ 56 case 'c': /* userconf */ \ 57 (retval) |= RB_USERCONF; \ 58 break; \ 59 case 'd': /* break into the kernel debugger ASAP (if compiled in) */ \ 60 (retval) |= RB_KDB; \ 61 break; \ 62 case 'm': /* mini root present in memory */ \ 63 (retval) |= RB_MINIROOT; \ 64 break; \ 65 case 'q': /* boot quietly */ \ 66 (retval) |= AB_QUIET; \ 67 break; \ 68 case 's': /* boot to single user */ \ 69 (retval) |= RB_SINGLE; \ 70 break; \ 71 case 'v': /* boot verbosely */ \ 72 (retval) |= AB_VERBOSE; \ 73 break; \ 74 default: /* something else, do nothing */ \ 75 break; \ 76 } /* switch */ \ 77 \ 78 } while (/* CONSTCOND */ 0) 79 80 #endif /* _SYS_BOOT_FLAG_H_ */ 81