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param.h revision 1.2 
      1 /* $Id: param.h,v 1.2 2000/02/11 19:25:15 thorpej 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  *
     42  *	@(#)param.h	8.1 (Berkeley) 6/10/93
     43  */
     44 
     45 #ifndef _MACHINE_PARAM_H_
     46 #define _MACHINE_PARAM_H_
     47 
     48 #define _MACHINE 	luna68k
     49 #define MACHINE		"luna68k"
     50 
     51 #define PGSHIFT		12		/* LOG2(NBPG) */
     52 #define KERNBASE	0x00000000	/* start of kernel virtual */
     53 
     54 #define SEGSHIFT	22		/* LOG2(NBSEG) */
     55 #define NBSEG		(1 << SEGSHIFT)	/* bytes/segment */
     56 #define SEGOFSET	(NBSEG-1)	/* byte offset into segment */
     57 
     58 #define UPAGES		3		/* pages of u-area */
     59 
     60 #include <m68k/param.h>
     61 
     62 #define NPTEPG		(NBPG/(sizeof (pt_entry_t)))
     63 
     64 #ifndef MSGBUFSIZE
     65 #define MSGBUFSIZE	NBPG		/* default message buffer size */
     66 #endif
     67 
     68 /*
     69  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
     70  * logical pages.
     71  */
     72 #define	NKMEMPAGES_MIN_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
     73 #define	NKMEMPAGES_MAX_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
     74 
     75 #include <machine/intr.h>
     76 
     77 #if defined(_KERNEL) && !defined(_LOCORE)
     78 #define delay(us)	_delay((us)<<8)
     79 #define DELAY(n)	delay(n)
     80 
     81 void _delay __P((unsigned));
     82 #endif	/* _KERNEL && !_LOCORE */
     83 
     84 #endif	/* !_MACHINE_PARAM_H_ */
     85