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      1 /*	$NetBSD: param.h,v 1.13 2023/02/04 08:42:45 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1982, 1986, 1990, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: machparam.h 1.16 92/12/20$
     37  *
     38  *	@(#)param.h	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 #ifndef	_MACHINE_PARAM_H_
     42 #define	_MACHINE_PARAM_H_
     43 
     44 /*
     45  * Machine dependent constants for NeXT machines
     46  */
     47 #define	_MACHINE	next68k
     48 #define	MACHINE		"next68k"
     49 
     50 #define	PGSHIFT		12		/* LOG2(NBPG) */
     51 #define	KERNBASE	0x00000000	/* start of kernel virtual */
     52 
     53 #define	UPAGES		2  		/* pages of u-area */
     54 
     55 #include <m68k/param.h>
     56 
     57 #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
     58 
     59 #ifdef _KERNEL
     60 #include <machine/intr.h>
     61 
     62 /*
     63  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
     64  * logical pages.
     65  */
     66 #define	NKMEMPAGES_MIN_DEFAULT	((16 * 1024 * 1024) >> PAGE_SHIFT)
     67 #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
     68 
     69 #if !defined(_LOCORE)
     70 #define	delay(us)	_delay((us) << 8)
     71 #define DELAY(us)	delay(us)
     72 void	_delay(u_int);
     73 #endif /* !_LOCORE */
     74 #endif /* _KERNEL */
     75 
     76 #endif	/* !_MACHINE_PARAM_H_ */
     77