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param.h revision 1.47.4.2 
      1 /*	$NetBSD: param.h,v 1.47.4.2 1998/02/04 21:02:15 gwr 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. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  *	from: Utah Hdr: machparam.h 1.16 92/12/20
     41  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
     42  */
     43 
     44 #ifndef	_MACHINE_PARAM_H_
     45 #define	_MACHINE_PARAM_H_
     46 
     47 /*
     48  * Machine dependent constants for both the
     49  * Sun3 and Sun3X series.
     50  */
     51 #define	_MACHINE	sun3
     52 #define	MACHINE		"sun3"
     53 
     54 #define	PGSHIFT		13		/* LOG2(NBPG) */
     55 
     56 #define MSGBUFOFF	0x200
     57 #define MSGBUFSIZE	(NBPG - MSGBUFOFF)
     58 
     59 /* This is needed by ps (actually USPACE). */
     60 #define	UPAGES		2		/* pages of u-area */
     61 
     62 /*
     63  * This value is used by ps to mask down kernel pointers.
     64  * Show 7 hex digits so it will work on both 3 and 3X.
     65  */
     66 #define _KVA_MASK ((1<<28)-1)
     67 
     68 #if defined(_KERNEL) || defined(_STANDALONE)
     69 #ifdef	_SUN3_
     70 #include <machine/param3.h>
     71 #endif	/* SUN3 */
     72 #ifdef	_SUN3X_
     73 #include <machine/param3x.h>
     74 #endif	/* SUN3X */
     75 #endif	/* _KERNEL */
     76 
     77 #include <m68k/param.h>
     78 
     79 /*
     80  * Size of kernel malloc arena in CLBYTES-sized logical pages
     81  */
     82 #ifndef 	NKMEMCLUSTERS
     83 # define	NKMEMCLUSTERS	(2048 * 1024 / CLBYTES)
     84 #endif
     85 
     86 #if defined(_KERNEL) && !defined(_LOCORE)
     87 
     88 /* XXX - Does this really belong here? -gwr */
     89 #include <machine/psl.h>
     90 
     91 extern void _delay __P((unsigned));
     92 #define delay(us)	_delay((us)<<8)
     93 #define	DELAY(n)	delay(n)
     94 
     95 #endif	/* _KERNEL && !_LOCORE */
     96 #endif	/* !_MACHINE_PARAM_H_ */
     97