xref: /netbsd-src/sys/arch/atari/include/param.h (revision 4c23b30cffa2bcedf326605ccefd57d974350337)
1*4c23b30cSpara /*	$NetBSD: param.h,v 1.35 2012/02/10 17:35:49 para Exp $	*/
28b0113cfSleo 
38b0113cfSleo /*
49b6bd2d9Srmind  * Copyright (c) 1988 University of Utah.
58b0113cfSleo  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
68b0113cfSleo  * All rights reserved.
78b0113cfSleo  *
88b0113cfSleo  * This code is derived from software contributed to Berkeley by
98b0113cfSleo  * the Systems Programming Group of the University of Utah Computer
108b0113cfSleo  * Science Department.
118b0113cfSleo  *
128b0113cfSleo  * Redistribution and use in source and binary forms, with or without
138b0113cfSleo  * modification, are permitted provided that the following conditions
148b0113cfSleo  * are met:
158b0113cfSleo  * 1. Redistributions of source code must retain the above copyright
168b0113cfSleo  *    notice, this list of conditions and the following disclaimer.
178b0113cfSleo  * 2. Redistributions in binary form must reproduce the above copyright
188b0113cfSleo  *    notice, this list of conditions and the following disclaimer in the
198b0113cfSleo  *    documentation and/or other materials provided with the distribution.
20aad01611Sagc  * 3. Neither the name of the University nor the names of its contributors
21aad01611Sagc  *    may be used to endorse or promote products derived from this software
22aad01611Sagc  *    without specific prior written permission.
23aad01611Sagc  *
24aad01611Sagc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25aad01611Sagc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26aad01611Sagc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27aad01611Sagc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28aad01611Sagc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29aad01611Sagc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30aad01611Sagc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31aad01611Sagc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32aad01611Sagc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33aad01611Sagc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34aad01611Sagc  * SUCH DAMAGE.
35aad01611Sagc  *
36aad01611Sagc  * from: Utah $Hdr: machparam.h 1.11 89/08/14$
37aad01611Sagc  *
38aad01611Sagc  *	@(#)param.h	7.8 (Berkeley) 6/28/91
39aad01611Sagc  */
408b0113cfSleo 
418b0113cfSleo #ifndef	_MACHINE_PARAM_H_
428b0113cfSleo #define	_MACHINE_PARAM_H_
438b0113cfSleo 
448b0113cfSleo /*
458b0113cfSleo  * Machine dependent constants for atari
468b0113cfSleo  */
4718ec26aaScgd #define	_MACHINE	atari
488b0113cfSleo #define	MACHINE		"atari"
498b0113cfSleo 
508b0113cfSleo #define	PGSHIFT		13		/* LOG2(NBPG) */
51931d90fcSveego #define	KERNBASE	0x00000000	/* start of kernel virtual */
528b0113cfSleo 
531c599835Sveego #define	UPAGES		2		/* pages of u-area */
541c599835Sveego 
556304388eSveego #include <m68k/param.h>
566304388eSveego 
571c599835Sveego #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
581c599835Sveego 
598b0113cfSleo /*
60dded044fSthorpej  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
61dded044fSthorpej  * logical pages.
628b0113cfSleo  */
63*4c23b30cSpara #define	NKMEMPAGES_MIN_DEFAULT	((8 * 1024 * 1024) >> PAGE_SHIFT)
64*4c23b30cSpara #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
658b0113cfSleo 
66716d4c38Sleo #ifdef	_KERNEL
67716d4c38Sleo 
689324e8d0Sleo #include <machine/intr.h>
698b0113cfSleo 
70c8ad2035Sjoerg void delay(unsigned int);
718e56abf0Sleo 
728e56abf0Sleo #define	DELAY(n)	delay(n)
738e56abf0Sleo #endif	/* _KERNEL */
748b0113cfSleo 
758b0113cfSleo #endif	/* !_MACHINE_PARAM_H_ */
76