Home | History | Annotate | Line # | Download | only in include
param.h revision 1.42 
      1 /*	$NetBSD: param.h,v 1.42 2011/02/08 20:20:22 rmind Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1992, 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 and Ralph Campbell.
     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 1.11 89/08/14
     37  *
     38  *	@(#)param.h	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 #ifndef _PMAX_PARAM_H_
     42 #define _PMAX_PARAM_H_
     43 
     44 /*
     45  * Machine-dependent constants (VM, etc) common across MIPS cpus
     46  */
     47 
     48 #include <mips/mips_param.h>
     49 
     50 /*
     51  * Machine dependent constants for mips-based DECstations.
     52  */
     53 
     54 #define	_MACHINE	pmax
     55 #define	MACHINE		"pmax"
     56 
     57 #define	DEV_BSIZE	512
     58 #define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
     59 #define BLKDEV_IOSIZE	2048
     60 #define	MAXPHYS		(64 * 1024)	/* max raw I/O transfer size */
     61 
     62 #ifdef _KERNEL
     63 #ifndef _LOCORE
     64 
     65 void	delay(int n);
     66 extern	int cpuspeed;
     67 static __inline void __attribute__((__unused__))
     68 DELAY(int n)
     69 {
     70 	register int __N = cpuspeed * n;
     71 
     72 	do {
     73 		__asm("addiu %0,%1,-1" : "=r" (__N) : "0" (__N));
     74 	} while (__N > 0);
     75 }
     76 
     77 #include <machine/intr.h>
     78 
     79 #endif	/* !_LOCORE */
     80 #endif	/* _KERNEL */
     81 
     82 #endif	/* !_PMAX_PARAM_H_ */
     83