Annotation of sys/arch/sparc64/include/boot_flag.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: boot_flag.h,v 1.1 2001/08/18 16:19:28 jason 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: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the NetBSD
19: * Foundation, Inc. and its contributors.
20: * 4. Neither the name of The NetBSD Foundation nor the names of its
21: * contributors may be used to endorse or promote products derived
22: * from this software without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34: * POSSIBILITY OF SUCH DAMAGE.
35: */
36:
37: #ifndef _SYS_BOOT_FLAG_H_
38: #define _SYS_BOOT_FLAG_H_
39:
40: #include <sys/reboot.h>
41:
42: /*
43: * Recognize standard boot arguments. If the flag is known, appropriate
44: * value is or'ed to retval, otherwise retval is left intact.
45: * Note that not all ports use all flags recognized here. This list is mere
46: * concatenation of all non-conflicting standard boot flags. Individual ports
47: * might use also other flags (see e.g. alpha).
48: */
49: #define BOOT_FLAG(arg, retval) do { \
50: switch (arg) { \
51: case 'a': /* ask for file name to boot from */ \
52: (retval) |= RB_ASKNAME; \
53: break; \
54: case 'b': /* always halt, never reboot */ \
55: (retval) |= RB_HALT; \
56: break; \
57: case 'c': /* userconf */ \
58: (retval) |= RB_CONFIG; \
59: break; \
60: case 'd': /* break into the kernel debugger ASAP (if compiled in) */ \
61: (retval) |= RB_KDB; \
62: break; \
63: case 'm': /* mini root present in memory */ \
64: (retval) |= RB_MINIROOT; \
65: break; \
66: case 's': /* boot to single user */ \
67: (retval) |= RB_SINGLE; \
68: break; \
69: default: /* something else, do nothing */ \
70: break; \
71: } /* switch */ \
72: \
73: } while (/* CONSTCOND */ 0)
74:
75: #endif /* _SYS_BOOT_FLAG_H_ */
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