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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_ */