78 lines
3.1 KiB
C
78 lines
3.1 KiB
C
/* $NetBSD: boot_flag.h,v 1.1 2000/09/24 12:32:31 jdolecek Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_BOOT_FLAG_H_
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#define _SYS_BOOT_FLAG_H_
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#include <sys/reboot.h>
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/*
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* Recognize standard boot arguments. If the flag is known, appropriate
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* value is or'ed to retval, otherwise retval is left intact.
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* Note that not all ports use all flags recognized here. This list is mere
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* concatenation of all non-conflicting standard boot flags. Individual ports
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* might use also other flags (see e.g. alpha).
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*/
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#define BOOT_FLAG(arg, retval) do { \
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switch (arg) { \
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case 'a': /* ask for file name to boot from */ \
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(retval) |= RB_ASKNAME; \
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break; \
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case 'b': /* always halt, never reboot */ \
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(retval) |= RB_HALT; \
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break; \
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case 'd': /* break into the kernel debugger ASAP (if compiled in) */ \
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(retval) |= RB_KDB; \
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break; \
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case 'm': /* mini root present in memory */ \
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(retval) |= RB_MINIROOT; \
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break; \
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case 'q': /* boot quietly */ \
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(retval) |= AB_QUIET; \
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break; \
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case 's': /* boot to single user */ \
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(retval) |= RB_SINGLE; \
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break; \
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case 'v': /* boot verbosely */ \
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(retval) |= AB_VERBOSE; \
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break; \
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default: /* something else, do nothing */ \
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break; \
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} /* switch */ \
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\
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} while (0)
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#endif /* _SYS_BOOT_FLAG_H_ */
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