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Annotation of sys/arch/sparc64/include/boot_flag.h, Revision 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_ */