109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/* $NetBSD: param.h,v 1.14 2000/02/11 19:30:30 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: machparam.h 1.16 92/12/20$
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*
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* @(#)param.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _MACHINE_PARAM_H_
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#define _MACHINE_PARAM_H_
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/*
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* Machine dependent constants for x68k
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*/
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#define _MACHINE x68k
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#define MACHINE "x68k"
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/*
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* Interrupt glue.
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*/
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#include <machine/intr.h>
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#define PGSHIFT 12 /* LOG2(NBPG) */
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#define KERNBASE 0x00000000 /* start of kernel virtual */
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#define SEGSHIFT 22 /* LOG2(NBSEG) */
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#define NBSEG (1 << SEGSHIFT) /* bytes/segment */
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#define SEGOFSET (NBSEG-1) /* byte offset into segment */
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#define UPAGES 3 /* pages of u-area */
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#include <m68k/param.h>
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#define NPTEPG (NBPG/(sizeof (pt_entry_t)))
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#ifndef MSGBUFSIZE
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#define MSGBUFSIZE NBPG /* default message buffer size */
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#endif
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/*
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* Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
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* logical pages.
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*/
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#define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
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#define NKMEMPAGES_MAX_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT)
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#if defined(_KERNEL) && !defined(_LOCORE)
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#define delay(us) _delay((us) << 8)
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#define DELAY(us) delay(us)
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void _delay __P((u_int));
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#endif /* _KERNEL && !_LOCORE */
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_compat_hpux.h"
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#endif
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#ifdef COMPAT_HPUX
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/*
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* Constants/macros for HPUX multiple mapping of user address space.
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* Pages in the first 256Mb are mapped in at every 256Mb segment.
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*/
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#define HPMMMASK 0xF0000000
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#define ISHPMMADDR(v) \
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((curproc->p_md.md_flags & MDP_HPUXMMAP) && \
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((unsigned)(v) & HPMMMASK) && \
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((unsigned)(v) & HPMMMASK) != HPMMMASK)
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#define HPMMBASEADDR(v) \
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((unsigned)(v) & ~HPMMMASK)
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#endif
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#endif /* !_MACHINE_PARAM_H_ */
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