xref: /netbsd/sys/arch/cesfic/include/param.h (revision bf9ec67e)
1 /*	$NetBSD: param.h,v 1.4 2002/02/26 15:13:21 simonb 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. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  * from: Utah $Hdr: machparam.h 1.16 92/12/20$
41  *
42  *	@(#)param.h	8.1 (Berkeley) 6/10/93
43  */
44 
45 /*
46  * Machine dependent constants for CES FIC8234.
47  */
48 #define	_MACHINE	cesfic
49 #define	MACHINE		"cesfic"
50 
51 /*
52  * Round p (pointer or byte index) up to a correctly-aligned value for all
53  * data types (int, long, ...).   The result is u_int and must be cast to
54  * any desired pointer type.
55  *
56  * ALIGNED_POINTER is a boolean macro that checks whether an address
57  * is valid to fetch data elements of type t from on this architecture.
58  * This does not reflect the optimal alignment, just the possibility
59  * (within reasonable limits).
60  *
61  */
62 
63 #define	PGSHIFT		12		/* LOG2(NBPG) */
64 #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
65 
66 #define	SEGSHIFT	22		/* LOG2(NBSEG) */
67 #define NBSEG		(1 << SEGSHIFT)	/* bytes/segment */
68 #define	SEGOFSET	(NBSEG-1)	/* byte offset into segment */
69 
70 #define	KERNBASE	0x00002000	/* start of kernel virtual */
71 
72 #define	UPAGES		2		/* pages of u-area */
73 
74 #include <m68k/param.h>
75 
76 /*
77  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
78  * logical pages.
79  */
80 #define	NKMEMPAGES_MIN_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
81 #define	NKMEMPAGES_MAX_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
82 
83 /*
84  * Interrupt glue.
85  */
86 #include <machine/intr.h>
87 
88 #if defined(_KERNEL) && !defined(_LOCORE)
89 #define	delay(us)	_delay((us) << 8)
90 #define DELAY(us)	delay(us)
91 
92 void	_delay __P((u_int));
93 #endif /* _KERNEL && !_LOCORE */
94