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param.h revision 1.57.100.1 
      1 /*	$NetBSD: param.h,v 1.57.100.1 2011/03/05 20:52:12 rmind 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  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
     38  */
     39 
     40 #ifndef	_MACHINE_PARAM_H_
     41 #define	_MACHINE_PARAM_H_
     42 
     43 /*
     44  * Machine dependent constants for both the
     45  * Sun3 and Sun3X series.
     46  */
     47 #define	_MACHINE	sun3
     48 #define	MACHINE		"sun3"
     49 
     50 #define	PGSHIFT		13		/* LOG2(NBPG) */
     51 
     52 #define	MAXBSIZE	0x8000		/* max FS block size */
     53 #define	MAXPHYS		0xe000		/* XXX: sun3 DMA can't handle 64KB? */
     54 
     55 #ifdef MSGBUFSIZE
     56 #error "MSGBUFSIZE is not user-adjustable for this arch"
     57 #endif
     58 #define MSGBUFOFF	0
     59 #define MSGBUFSIZE	(NBPG)
     60 
     61 /* This is needed by ps (actually USPACE). */
     62 #define	UPAGES		2		/* pages of u-area */
     63 
     64 #ifdef	_SUN3_
     65 #include <machine/param3.h>
     66 #endif	/* SUN3 */
     67 #ifdef	_SUN3X_
     68 #include <machine/param3x.h>
     69 #endif	/* SUN3X */
     70 
     71 /* default for rump etc. */
     72 #if !defined(_SUN3_) && !defined(_SUN3X_)
     73 #include <machine/param3.h>
     74 #endif
     75 
     76 #include <m68k/param.h>
     77 
     78 /*
     79  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
     80  * logical pages.
     81  */
     82 #define	NKMEMPAGES_MIN_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
     83 #define	NKMEMPAGES_MAX_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
     84 
     85 #if defined(_KERNEL) && !defined(_LOCORE)
     86 
     87 #include <machine/intr.h>
     88 
     89 extern const vaddr_t kernbase;
     90 extern const vaddr_t kern_end;
     91 
     92 extern void _delay(unsigned);
     93 #define delay(us)	_delay((us)<<8)
     94 #define	DELAY(n)	delay(n)
     95 
     96 #endif	/* _KERNEL && !_LOCORE */
     97 #endif	/* !_MACHINE_PARAM_H_ */
     98