xref: /netbsd-src/sys/arch/cesfic/include/param.h (revision b4cc495b2a2744717707f459b49dcee46df2e7bb)
1 /*	$NetBSD: param.h,v 1.13 2017/01/14 22:24:43 christos 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. 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 $Hdr: machparam.h 1.16 92/12/20$
37  *
38  *	@(#)param.h	8.1 (Berkeley) 6/10/93
39  */
40 #ifndef _MACHINE_PARAM_H_
41 #define _MACHINE_PARAM_H_
42 /*
43  * Machine dependent constants for CES FIC8234.
44  */
45 #define	_MACHINE	cesfic
46 #define	MACHINE		"cesfic"
47 
48 /*
49  * Round p (pointer or byte index) up to a correctly-aligned value for all
50  * data types (int, long, ...).   The result is u_int and must be cast to
51  * any desired pointer type.
52  *
53  * ALIGNED_POINTER is a boolean macro that checks whether an address
54  * is valid to fetch data elements of type t from on this architecture.
55  * This does not reflect the optimal alignment, just the possibility
56  * (within reasonable limits).
57  *
58  */
59 
60 #define	PGSHIFT		12		/* LOG2(NBPG) */
61 #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
62 
63 #define	KERNBASE	0x00002000	/* start of kernel virtual */
64 
65 #define	UPAGES		2		/* pages of u-area */
66 
67 #include <m68k/param.h>
68 
69 /*
70  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
71  * logical pages.
72  */
73 #define	NKMEMPAGES_MIN_DEFAULT	((8 * 1024 * 1024) >> PAGE_SHIFT)
74 #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
75 
76 /*
77  * Interrupt glue.
78  */
79 #include <machine/intr.h>
80 
81 #if defined(_KERNEL) && !defined(_LOCORE)
82 #define	delay(us)	_delay((us) << 8)
83 #define DELAY(us)	delay(us)
84 
85 void	_delay(u_int);
86 #endif /* _KERNEL && !_LOCORE */
87 #endif /* _MACHINE_PARAM_H_ */
88