1 /* $OpenBSD: boot_flag.h,v 1.5 2014/11/26 20:06:53 stsp Exp $ */ 2 /* $NetBSD: boot_flag.h,v 1.3 2001/07/01 02:56:21 gmcgarry Exp $ */ 3 4 /*- 5 * Copyright (c) 2000 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _MACHINE_BOOT_FLAG_H_ 31 #define _MACHINE_BOOT_FLAG_H_ 32 33 #include <sys/reboot.h> 34 35 /* 36 * Recognize standard boot arguments. If the flag is known, appropriate 37 * value is or'ed to retval, otherwise retval is left intact. 38 * Note that not all ports use all flags recognized here. This list is mere 39 * concatenation of all non-conflicting standard boot flags. Individual ports 40 * might use also other flags (see e.g. alpha). 41 */ 42 #define BOOT_FLAG(arg, retval) do { \ 43 switch (arg) { \ 44 case 'a': /* ask for file name to boot from */ \ 45 (retval) |= RB_ASKNAME; \ 46 break; \ 47 case 'b': /* always halt, never reboot */ \ 48 (retval) |= RB_HALT; \ 49 break; \ 50 case 'c': /* userconf */ \ 51 (retval) |= RB_CONFIG; \ 52 break; \ 53 case 'd': /* break into the kernel debugger ASAP (if compiled in) */ \ 54 (retval) |= RB_KDB; \ 55 break; \ 56 case 's': /* boot to single user */ \ 57 (retval) |= RB_SINGLE; \ 58 break; \ 59 default: /* something else, do nothing */ \ 60 break; \ 61 } /* switch */ \ 62 \ 63 } while (/* CONSTCOND */ 0) 64 65 66 /* softraid boot information */ 67 #define BOOTSR_UUID_MAX 16 68 #define BOOTSR_CRYPTO_MAXKEYBYTES 32 69 70 /* MD boot data in .openbsd.bootdata ELF segment */ 71 struct openbsd_bootdata { 72 u_int64_t version; 73 u_int64_t len; /* of structure */ 74 75 u_int8_t sr_uuid[BOOTSR_UUID_MAX]; 76 u_int8_t sr_maskkey[BOOTSR_CRYPTO_MAXKEYBYTES]; 77 } __packed; 78 79 #define BOOTDATA_VERSION 1 80 81 #endif /* _MACHINE_BOOT_FLAG_H_ */ 82