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      1 /*	$NetBSD: param.h,v 1.31 2024/01/06 05:31:19 isaki 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 #ifdef _KERNEL_OPT
     45 #include "opt_param.h"
     46 #endif
     47 
     48 /*
     49  * Machine dependent constants for x68k
     50  */
     51 #define	_MACHINE	x68k
     52 #define	MACHINE		"x68k"
     53 
     54 #define	PGSHIFT		12		/* LOG2(NBPG) */
     55 #define	KERNBASE	0x00000000	/* start of kernel virtual */
     56 
     57 #define	UPAGES		2		/* pages of u-area */
     58 
     59 #ifndef MSGBUFSIZE
     60 #define MSGBUFSIZE	(2 * NBPG)	/* default message buffer size */
     61 #endif
     62 
     63 #include <m68k/param.h>
     64 
     65 #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
     66 
     67 /*
     68  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
     69  * logical pages.
     70  */
     71 #define	NKMEMPAGES_MIN_DEFAULT	((16 * 1024 * 1024) >> PAGE_SHIFT)
     72 #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
     73 
     74 #if defined(_KERNEL) && !defined(_LOCORE)
     75 #include <machine/intr.h>
     76 
     77 #define	delay(us)	_delay(us)
     78 #define DELAY(us)	delay(us)
     79 
     80 void	_delay(u_int);
     81 #endif /* _KERNEL && !_LOCORE */
     82 
     83 #endif	/* !_MACHINE_PARAM_H_ */
     84