1 /* $NetBSD: boot_flag.h,v 1.8 2024/05/12 10:34:56 rillig 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_BOOT_FLAG_H_ 30 #define _SYS_BOOT_FLAG_H_ 31 32 #include <sys/reboot.h> 33 34 /* 35 * Recognize standard boot arguments. If the flag is known, appropriate 36 * value is or'ed to retval, otherwise retval is left intact. 37 * Note that not all ports use all flags recognized here. This list is mere 38 * concatenation of all non-conflicting standard boot flags. Individual ports 39 * might use also other flags (see e.g. alpha). 40 */ 41 #define BOOT_FLAG(arg, retval) do { \ 42 switch (arg) { \ 43 case '1': /* machine dependent flag */ \ 44 (retval) |= RB_MD1; \ 45 break; \ 46 case '2': /* machine dependent flag */ \ 47 (retval) |= RB_MD2; \ 48 break; \ 49 case '3': /* machine dependent flag */ \ 50 (retval) |= RB_MD3; \ 51 break; \ 52 case '4': /* machine dependent flag */ \ 53 (retval) |= RB_MD4; \ 54 break; \ 55 case 'a': /* ask for file name to boot from */ \ 56 (retval) |= RB_ASKNAME; \ 57 break; \ 58 case 'b': /* always halt, never reboot */ \ 59 (retval) |= RB_HALT; \ 60 break; \ 61 case 'c': /* userconf */ \ 62 (retval) |= RB_USERCONF; \ 63 break; \ 64 case 'd': /* break into the kernel debugger ASAP (if compiled in) */ \ 65 (retval) |= RB_KDB; \ 66 break; \ 67 case 'm': /* mini root present in memory */ \ 68 (retval) |= RB_MINIROOT; \ 69 break; \ 70 case 'q': /* boot quietly */ \ 71 (retval) |= AB_QUIET; \ 72 break; \ 73 case 's': /* boot to single user */ \ 74 (retval) |= RB_SINGLE; \ 75 break; \ 76 case 'v': /* boot verbosely */ \ 77 (retval) |= AB_VERBOSE; \ 78 break; \ 79 case 'x': /* boot with debugging messages */ \ 80 (retval) |= AB_DEBUG; \ 81 break; \ 82 case 'z': /* boot silently */ \ 83 (retval) |= AB_SILENT; \ 84 break; \ 85 default: /* something else, do nothing */ \ 86 break; \ 87 } /* switch */ \ 88 \ 89 } while (0) 90 91 #endif /* _SYS_BOOT_FLAG_H_ */ 92