xref: /src/sys/arch/sun3/include/param.h

/*	$NetBSD: param.h,v 1.45 1997/09/20 12:10:38 leo Exp $	*/

/*
 * Copyright (c) 1994, 1995 Gordon W. Ross
 * Copyright (c) 1993 Adam Glass
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1986, 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * 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.
 *
 *	from: Utah Hdr: machparam.h 1.16 92/12/20
 *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
 */

#ifndef	_MACHINE_PARAM_H_
#define	_MACHINE_PARAM_H_

/*
 * Machine dependent constants for the Sun3 series.
 */
#define	_MACHINE	sun3
#define	MACHINE		"sun3"

#define	PGSHIFT		13		/* LOG2(NBPG) */

#define SEGSHIFT	17	        /* LOG2(NBSG) */
#define NBSG		(1 << SEGSHIFT)	/* bytes/segment */
#define	SEGOFSET	(NBSG-1)	/* byte offset into segment */

#define	MAXBSIZE	0x8000		/* max FS block size - XXX */

#define	KERNBASE	0x0E000000	/* start of kernel virtual */
#define	KERNTEXTOFF	0x0E004000	/* start of kernel text */
#define	KERN_END	0x0FE00000	/* end of kernel virtual */

#define	UPAGES		2		/* pages of u-area */

#define MSGBUFSIZE	(4096 - 4 * sizeof(long))

#include <m68k/param.h>

/*
 * Size of kernel malloc arena in CLBYTES-sized logical pages
 */
#ifndef NKMEMCLUSTERS
# define	NKMEMCLUSTERS	(2048 * 1024 / CLBYTES)
#endif

/* XXX - Does this really belong here? -gwr */
#include <machine/psl.h>

#if defined(_KERNEL) && !defined(_LOCORE)
extern void _delay __P((unsigned));
#define delay(us)	_delay((us)<<8)
#define	DELAY(n)	delay(n)
#endif	/* _KERNEL && !_LOCORE */

#endif	/* !_MACHINE_PARAM_H_ */