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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [sys/] [reboot.h] - Rev 173

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/*
 * Copyright (c) 1982, 1986, 1988, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)reboot.h	8.3 (Berkeley) 12/13/94
 * $Id: reboot.h,v 1.2 2001-09-27 12:02:00 chris Exp $
 */
 
#ifndef _SYS_REBOOT_H_
#define _SYS_REBOOT_H_
 
/*
 * Arguments to reboot system call.  These are passed to
 * the boot program and on to init.
 */
#define	RB_AUTOBOOT	0	/* flags for system auto-booting itself */
 
#define	RB_ASKNAME	0x001	/* ask for file name to reboot from */
#define	RB_SINGLE	0x002	/* reboot to single user only */
#define	RB_NOSYNC	0x004	/* dont sync before reboot */
#define	RB_HALT		0x008	/* don't reboot, just halt */
#define	RB_INITNAME	0x010	/* name given for /etc/init (unused) */
#define	RB_DFLTROOT	0x020	/* use compiled-in rootdev */
#define	RB_KDB		0x040	/* give control to kernel debugger */
#define	RB_RDONLY	0x080	/* mount root fs read-only */
#define	RB_DUMP		0x100	/* dump kernel memory before reboot */
#define	RB_MINIROOT	0x200	/* mini-root present in memory at boot time */
#define RB_CONFIG	0x400	/* invoke user configuration routing */
#define RB_VERBOSE	0x800	/* print all potentially useful info */
#define	RB_SERIAL	0x1000	/* user serial port as console */
#define	RB_CDROM	0x2000	/* use cdrom as root */
#define	RB_POWEROFF	0x4000	/* if you can, turn the power off */
#define	RB_GDB		0x8000	/* use GDB remote debugger instead of DDB */
#define	RB_MUTE		0x10000	/* Come up with the console muted */
#define	RB_SELFTEST	0x20000	/* don't boot to normal operation, do selftest */
 
#define	RB_BOOTINFO	0x80000000	/* have `struct bootinfo *' arg */
 
/*
 * Constants for converting boot-style device number to type,
 * adaptor (uba, mba, etc), unit number and partition number.
 * Type (== major device number) is in the low byte
 * for backward compatibility.  Except for that of the "magic
 * number", each mask applies to the shifted value.
 * Format:
 *	 (4) (4) (4) (4)  (8)     (8)
 *	--------------------------------
 *	|MA | AD| CT| UN| PART  | TYPE |
 *	--------------------------------
 */
#define	B_ADAPTORSHIFT		24
#define	B_ADAPTORMASK		0x0f
#define	B_ADAPTOR(val)		(((val) >> B_ADAPTORSHIFT) & B_ADAPTORMASK)
#define B_CONTROLLERSHIFT	20
#define B_CONTROLLERMASK	0xf
#define	B_CONTROLLER(val)	(((val)>>B_CONTROLLERSHIFT) & B_CONTROLLERMASK)
#define B_SLICESHIFT		20
#define B_SLICEMASK		0xff
#define B_SLICE(val)		(((val)>>B_SLICESHIFT) & B_SLICEMASK)
#define B_UNITSHIFT		16
#define B_UNITMASK		0xf
#define	B_UNIT(val)		(((val) >> B_UNITSHIFT) & B_UNITMASK)
#define B_PARTITIONSHIFT	8
#define B_PARTITIONMASK		0xff
#define	B_PARTITION(val)	(((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK)
#define	B_TYPESHIFT		0
#define	B_TYPEMASK		0xff
#define	B_TYPE(val)		(((val) >> B_TYPESHIFT) & B_TYPEMASK)
 
#define	B_MAGICMASK	0xf0000000
#define	B_DEVMAGIC	0xa0000000
 
#define MAKEBOOTDEV(type, adaptor, controller, unit, partition) \
	(((type) << B_TYPESHIFT) | ((adaptor) << B_ADAPTORSHIFT) | \
	((controller) << B_CONTROLLERSHIFT) | ((unit) << B_UNITSHIFT) | \
	((partition) << B_PARTITIONSHIFT) | B_DEVMAGIC)
 
#endif
 

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