xref: /netbsd-src/sys/arch/amiga/include/param.h (revision 656c43404f14ffc90f37099083503aaeafb776b8)

/*	$NetBSD: param.h,v 1.50 2015/11/12 12:01:53 phx Exp $	*/

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: Utah $Hdr: machparam.h 1.11 89/08/14$
 *
 *	@(#)param.h	7.8 (Berkeley) 6/28/91
 */

#ifndef	_MACHINE_PARAM_H_
#define	_MACHINE_PARAM_H_

/*
 * Machine dependent constants for amiga
 */
#define	_MACHINE	amiga
#define	MACHINE		"amiga"

#define	PGSHIFT		13		/* LOG2(NBPG) */
#define	KERNBASE	0x00000000	/* start of kernel virtual */

#define	UPAGES		2		/* pages of u-area */

#include <m68k/param.h>

#define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))

/* We need the same btop macro in device drivers for m68k and powerpc */
#define MD_BTOP(pa)	m68k_btop(pa)

/*
 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
 * logical pages.
 */
#define	NKMEMPAGES_MIN_DEFAULT	((8 * 1024 * 1024) >> PAGE_SHIFT)
#define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)

#ifdef	_KERNEL
/*
 * spl functions; all are normally done in-line
 */
#include <machine/intr.h>

/*
 * point to the custom.intenar and custom.intenaw respectively.
 */
extern volatile unsigned short *amiga_intena_read, *amiga_intena_write;

#ifndef	_LOCORE
void delay(unsigned int);
#define	DELAY(x)	delay(x)
#endif	/* !_LOCORE */
#endif	/* _KERNEL */

#endif	/* !_MACHINE_PARAM_H_ */