xref: /openbsd-src/sys/arch/m88k/include/param.h (revision 569905a93af9a15cee7b4700af2b6e98927b2179)
1*569905a9Sclaudio /*	$OpenBSD: param.h,v 1.22 2023/12/14 13:26:49 claudio Exp $ */
2184e2458Sderaadt 
33180e169Smiod /*
43180e169Smiod  * Copyright (c) 1999 Steve Murphree, Jr.
53180e169Smiod  * Copyright (c) 1988 University of Utah.
63180e169Smiod  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
73180e169Smiod  * All rights reserved.
83180e169Smiod  *
93180e169Smiod  * This code is derived from software contributed to Berkeley by
103180e169Smiod  * the Systems Programming Group of the University of Utah Computer
113180e169Smiod  * Science Department.
123180e169Smiod  *
133180e169Smiod  * Redistribution and use in source and binary forms, with or without
143180e169Smiod  * modification, are permitted provided that the following conditions
153180e169Smiod  * are met:
163180e169Smiod  * 1. Redistributions of source code must retain the above copyright
173180e169Smiod  *    notice, this list of conditions and the following disclaimer.
183180e169Smiod  * 2. Redistributions in binary form must reproduce the above copyright
193180e169Smiod  *    notice, this list of conditions and the following disclaimer in the
203180e169Smiod  *    documentation and/or other materials provided with the distribution.
213180e169Smiod  * 3. Neither the name of the University nor the names of its contributors
223180e169Smiod  *    may be used to endorse or promote products derived from this software
233180e169Smiod  *    without specific prior written permission.
243180e169Smiod  *
253180e169Smiod  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
263180e169Smiod  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
273180e169Smiod  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
283180e169Smiod  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
293180e169Smiod  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
303180e169Smiod  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
313180e169Smiod  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
323180e169Smiod  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
333180e169Smiod  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
343180e169Smiod  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
353180e169Smiod  * SUCH DAMAGE.
363180e169Smiod  */
37184e2458Sderaadt 
383180e169Smiod #ifndef	_M88K_PARAM_H_
393180e169Smiod #define	_M88K_PARAM_H_
403180e169Smiod 
413180e169Smiod #ifdef _KERNEL
423180e169Smiod #ifndef _LOCORE
433180e169Smiod #include <machine/cpu.h>
443180e169Smiod #endif	/* _LOCORE */
453180e169Smiod #endif
463180e169Smiod 
473180e169Smiod #define	_MACHINE_ARCH  m88k
483180e169Smiod #define	MACHINE_ARCH   "m88k"
493180e169Smiod #define	MID_MACHINE    MID_M88K
503180e169Smiod 
513180e169Smiod #define	PAGE_SHIFT	12
523180e169Smiod #define	PAGE_SIZE	(1 << PAGE_SHIFT)
533180e169Smiod #define	PAGE_MASK	(PAGE_SIZE - 1)
543180e169Smiod 
553180e169Smiod #define	NPTEPG		(PAGE_SIZE / (sizeof(pt_entry_t)))
563180e169Smiod 
57184e2458Sderaadt #ifdef _KERNEL
58184e2458Sderaadt 
59184e2458Sderaadt #define	NBPG		PAGE_SIZE
604612d168Smiod #define	PGSHIFT		PAGE_SHIFT
614612d168Smiod #define	PGOFSET		PAGE_MASK
623180e169Smiod 
635981bd55Smiod #define	UPAGES		2			/* pages of u-area */
64184e2458Sderaadt #define	USPACE		(UPAGES * PAGE_SIZE)	/* total size of u-area */
65184e2458Sderaadt #define	USPACE_ALIGN	0			/* u-area alignment 0-none */
663180e169Smiod 
67965127f8Sclaudio #define	NMBCLUSTERS	(8 * 1024)		/* max cluster allocation */
683180e169Smiod 
69184e2458Sderaadt #ifndef MSGBUFSIZE
70184e2458Sderaadt #define	MSGBUFSIZE	PAGE_SIZE
71184e2458Sderaadt #endif
72184e2458Sderaadt 
733180e169Smiod /*
743180e169Smiod  * Get interrupt glue.
753180e169Smiod  */
763180e169Smiod #include <machine/intr.h>
773180e169Smiod 
783180e169Smiod #define	DELAY(x)	delay(x)
793180e169Smiod 
80dfff2de9Smiod #if !defined(_LOCORE)
81dfff2de9Smiod extern void delay(int);
823180e169Smiod extern int cputyp;
833180e169Smiod #endif
843180e169Smiod 
853180e169Smiod /*
863180e169Smiod  * Values for the cputyp variable.
873180e169Smiod  */
88063362aeSmiod #define CPU_88100	0x00
89063362aeSmiod #define CPU_88110	0x01
903180e169Smiod 
91ebe667c9Smiod #ifdef M88100
92ebe667c9Smiod #ifdef M88110
93ebe667c9Smiod #define	CPU_IS88100	(cputyp == CPU_88100)
94ebe667c9Smiod #define	CPU_IS88110	(cputyp != CPU_88100)
95ebe667c9Smiod #else
96ebe667c9Smiod #define	CPU_IS88100	1
97ebe667c9Smiod #define	CPU_IS88110	0
98ebe667c9Smiod #endif
99ebe667c9Smiod #else
100ebe667c9Smiod #define	CPU_IS88100	0
101ebe667c9Smiod #define	CPU_IS88110	1
102ebe667c9Smiod #endif
103ebe667c9Smiod 
104dfff2de9Smiod #endif	/* _KERNEL */
105184e2458Sderaadt 
106184e2458Sderaadt #endif /* _M88K_PARAM_H_ */
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