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param.h revision 1.6
      1  1.6       chs /*	$NetBSD: param.h,v 1.6 2005/01/22 15:36:09 chs Exp $	*/
      2  1.1  fredette 
      3  1.1  fredette /*
      4  1.1  fredette  * Copyright (c) 1982, 1986, 1990, 1993
      5  1.1  fredette  *	The Regents of the University of California.  All rights reserved.
      6  1.4       agc  *
      7  1.4       agc  * This code is derived from software contributed to Berkeley by
      8  1.4       agc  * the Systems Programming Group of the University of Utah Computer
      9  1.4       agc  * Science Department.
     10  1.4       agc  *
     11  1.4       agc  * Redistribution and use in source and binary forms, with or without
     12  1.4       agc  * modification, are permitted provided that the following conditions
     13  1.4       agc  * are met:
     14  1.4       agc  * 1. Redistributions of source code must retain the above copyright
     15  1.4       agc  *    notice, this list of conditions and the following disclaimer.
     16  1.4       agc  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.4       agc  *    notice, this list of conditions and the following disclaimer in the
     18  1.4       agc  *    documentation and/or other materials provided with the distribution.
     19  1.4       agc  * 3. Neither the name of the University nor the names of its contributors
     20  1.4       agc  *    may be used to endorse or promote products derived from this software
     21  1.4       agc  *    without specific prior written permission.
     22  1.4       agc  *
     23  1.4       agc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.4       agc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.4       agc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.4       agc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.4       agc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.4       agc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.4       agc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.4       agc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.4       agc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.4       agc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.4       agc  * SUCH DAMAGE.
     34  1.4       agc  *
     35  1.4       agc  *	from: Utah Hdr: machparam.h 1.16 92/12/20
     36  1.4       agc  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
     37  1.4       agc  */
     38  1.4       agc /*
     39  1.4       agc  * Copyright (c) 1988 University of Utah.
     40  1.1  fredette  *
     41  1.1  fredette  * This code is derived from software contributed to Berkeley by
     42  1.1  fredette  * the Systems Programming Group of the University of Utah Computer
     43  1.1  fredette  * Science Department.
     44  1.1  fredette  *
     45  1.1  fredette  * Redistribution and use in source and binary forms, with or without
     46  1.1  fredette  * modification, are permitted provided that the following conditions
     47  1.1  fredette  * are met:
     48  1.1  fredette  * 1. Redistributions of source code must retain the above copyright
     49  1.1  fredette  *    notice, this list of conditions and the following disclaimer.
     50  1.1  fredette  * 2. Redistributions in binary form must reproduce the above copyright
     51  1.1  fredette  *    notice, this list of conditions and the following disclaimer in the
     52  1.1  fredette  *    documentation and/or other materials provided with the distribution.
     53  1.1  fredette  * 3. All advertising materials mentioning features or use of this software
     54  1.1  fredette  *    must display the following acknowledgement:
     55  1.1  fredette  *	This product includes software developed by the University of
     56  1.1  fredette  *	California, Berkeley and its contributors.
     57  1.1  fredette  * 4. Neither the name of the University nor the names of its contributors
     58  1.1  fredette  *    may be used to endorse or promote products derived from this software
     59  1.1  fredette  *    without specific prior written permission.
     60  1.1  fredette  *
     61  1.1  fredette  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     62  1.1  fredette  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     63  1.1  fredette  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     64  1.1  fredette  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     65  1.1  fredette  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     66  1.1  fredette  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     67  1.1  fredette  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     68  1.1  fredette  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     69  1.1  fredette  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     70  1.1  fredette  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     71  1.1  fredette  * SUCH DAMAGE.
     72  1.1  fredette  *
     73  1.1  fredette  *	from: Utah Hdr: machparam.h 1.16 92/12/20
     74  1.1  fredette  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
     75  1.1  fredette  */
     76  1.1  fredette 
     77  1.1  fredette #ifndef	_MACHINE_PARAM_H_
     78  1.1  fredette #define	_MACHINE_PARAM_H_
     79  1.1  fredette 
     80  1.1  fredette /*
     81  1.1  fredette  * Machine dependent constants for the Sun2 series.
     82  1.1  fredette  */
     83  1.1  fredette #define	_MACHINE	sun2
     84  1.1  fredette #define	MACHINE		"sun2"
     85  1.1  fredette #define	_MACHINE_ARCH	m68000
     86  1.1  fredette #define	MACHINE_ARCH	"m68000"
     87  1.1  fredette #define	MID_MACHINE	MID_M680002K
     88  1.1  fredette 
     89  1.3  fredette #define PGSHIFT		11		/* LOG2(NBPG) */
     90  1.3  fredette 
     91  1.1  fredette #ifdef MSGBUFSIZE
     92  1.1  fredette #error "MSGBUFSIZE is not user-adjustable for this arch"
     93  1.1  fredette #endif
     94  1.3  fredette #define MSGBUFOFF	0x0
     95  1.3  fredette #define MSGBUFSIZE	((NBPG * 4) - MSGBUFOFF)
     96  1.1  fredette 
     97  1.1  fredette /* This is needed by ps (actually USPACE). */
     98  1.1  fredette #define	UPAGES		(16384 / NBPG)		/* pages of u-area */
     99  1.1  fredette 
    100  1.1  fredette #if defined(_KERNEL) || defined(_STANDALONE)
    101  1.1  fredette 
    102  1.3  fredette #define	KERNBASE	0x00006000	/* start of kernel virtual */
    103  1.1  fredette #define	KERN_END	0x00E00000	/* end of kernel virtual */
    104  1.1  fredette 
    105  1.1  fredette #define SEGSHIFT	15	        /* LOG2(NBSG) */
    106  1.1  fredette #define NBSG		(1 << SEGSHIFT)	/* bytes/segment */
    107  1.1  fredette #define	SEGOFSET	(NBSG-1)	/* byte offset into segment */
    108  1.1  fredette 
    109  1.1  fredette #define	MAXBSIZE	0x2000		/* max FS block size */
    110  1.5   mycroft #define	MAXPHYS		0xe000
    111  1.1  fredette 
    112  1.1  fredette /*
    113  1.1  fredette  * XXX fredette - we force a small number of mbuf clusters and cluster
    114  1.1  fredette  * size to help me debug this on my low-memory machine.  These should
    115  1.1  fredette  * go away at some point.
    116  1.1  fredette  */
    117  1.1  fredette #define	NMBCLUSTERS	64	/* map size, max cluster allocation */
    118  1.1  fredette #define MCLSHIFT	10
    119  1.2  fredette 
    120  1.2  fredette /*
    121  1.2  fredette  * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM.
    122  1.2  fredette  * For now, we make it absurdly small, perhaps it can grow later.
    123  1.2  fredette  */
    124  1.2  fredette #define	UBC_NWINS	32
    125  1.1  fredette 
    126  1.1  fredette #endif	/* _KERNEL */
    127  1.1  fredette 
    128  1.1  fredette #include <m68k/param.h>
    129  1.1  fredette 
    130  1.1  fredette /*
    131  1.1  fredette  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
    132  1.1  fredette  * logical pages.
    133  1.1  fredette  */
    134  1.1  fredette #define	NKMEMPAGES_MIN_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
    135  1.1  fredette #define	NKMEMPAGES_MAX_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
    136  1.1  fredette 
    137  1.1  fredette #if defined(_KERNEL) && !defined(_LOCORE)
    138  1.1  fredette 
    139  1.1  fredette /* XXX - Does this really belong here? -gwr */
    140  1.1  fredette #include <machine/psl.h>
    141  1.1  fredette 
    142  1.6       chs extern void _delay(unsigned);
    143  1.1  fredette #define delay(us)	_delay((us)<<8)
    144  1.1  fredette #define	DELAY(n)	delay(n)
    145  1.1  fredette 
    146  1.1  fredette #endif	/* _KERNEL && !_LOCORE */
    147  1.1  fredette #endif	/* !_MACHINE_PARAM_H_ */
    148