xref: /netbsd-src/sys/arch/amiga/include/param.h (revision 656c43404f14ffc90f37099083503aaeafb776b8)
1*656c4340Sphx /*	$NetBSD: param.h,v 1.50 2015/11/12 12:01:53 phx Exp $	*/
2ec77f0b3Scgd 
333e84123Smw /*
49b6bd2d9Srmind  * Copyright (c) 1988 University of Utah.
533e84123Smw  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
633e84123Smw  * All rights reserved.
733e84123Smw  *
833e84123Smw  * This code is derived from software contributed to Berkeley by
933e84123Smw  * the Systems Programming Group of the University of Utah Computer
1033e84123Smw  * Science Department.
1133e84123Smw  *
1233e84123Smw  * Redistribution and use in source and binary forms, with or without
1333e84123Smw  * modification, are permitted provided that the following conditions
1433e84123Smw  * are met:
1533e84123Smw  * 1. Redistributions of source code must retain the above copyright
1633e84123Smw  *    notice, this list of conditions and the following disclaimer.
1733e84123Smw  * 2. Redistributions in binary form must reproduce the above copyright
1833e84123Smw  *    notice, this list of conditions and the following disclaimer in the
1933e84123Smw  *    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  */
40931d90fcSveego 
41172b2cedSchopps #ifndef	_MACHINE_PARAM_H_
42172b2cedSchopps #define	_MACHINE_PARAM_H_
4333e84123Smw 
4433e84123Smw /*
4533e84123Smw  * Machine dependent constants for amiga
4633e84123Smw  */
4718ec26aaScgd #define	_MACHINE	amiga
4833e84123Smw #define	MACHINE		"amiga"
4933e84123Smw 
5033e84123Smw #define	PGSHIFT		13		/* LOG2(NBPG) */
51931d90fcSveego #define	KERNBASE	0x00000000	/* start of kernel virtual */
5233e84123Smw 
531c599835Sveego #define	UPAGES		2		/* pages of u-area */
541c599835Sveego 
5542395ee3Sveego #include <m68k/param.h>
5642395ee3Sveego 
571c599835Sveego #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
581c599835Sveego 
59*656c4340Sphx /* We need the same btop macro in device drivers for m68k and powerpc */
60*656c4340Sphx #define MD_BTOP(pa)	m68k_btop(pa)
61*656c4340Sphx 
6233e84123Smw /*
63dded044fSthorpej  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
64dded044fSthorpej  * logical pages.
6533e84123Smw  */
664c23b30cSpara #define	NKMEMPAGES_MIN_DEFAULT	((8 * 1024 * 1024) >> PAGE_SHIFT)
677cb0b700Sjklos #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
6833e84123Smw 
697fa7b640Sis #ifdef	_KERNEL
7033e84123Smw /*
7132dc3c58Schopps  * spl functions; all are normally done in-line
7233e84123Smw  */
73fa924b7bSchs #include <machine/intr.h>
7433e84123Smw 
7532dc3c58Schopps /*
7632dc3c58Schopps  * point to the custom.intenar and custom.intenaw respectively.
7732dc3c58Schopps  */
7832dc3c58Schopps extern volatile unsigned short *amiga_intena_read, *amiga_intena_write;
7932dc3c58Schopps 
80a922ebfbSveego #ifndef	_LOCORE
81c04c9a55Smhitch void delay(unsigned int);
82c04c9a55Smhitch #define	DELAY(x)	delay(x)
8396c6c333Sveego #endif	/* !_LOCORE */
8496c6c333Sveego #endif	/* _KERNEL */
8533e84123Smw 
86172b2cedSchopps #endif	/* !_MACHINE_PARAM_H_ */
87