| 1 | /* $NetBSD: boot_flag.h,v 1.7 2008/04/29 19:16:08 ad 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 (/* CONSTCOND */ 0) |
| 90 | |
| 91 | #endif /* _SYS_BOOT_FLAG_H_ */ |
| 92 | |