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553cb3ed46
sys/param.h was manually adjusted to not define __NetBSD_Version__ since it will be defined by the compiler.
74 lines
No EOL
2.9 KiB
C
Vendored
74 lines
No EOL
2.9 KiB
C
Vendored
/* $NetBSD: vmparam.h,v 1.1 2020/02/01 19:41:48 tsutsui 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. 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 $Hdr: vmparam.h 1.16 91/01/18$
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*
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* @(#)vmparam.h 8.2 (Berkeley) 4/19/94
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*/
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#ifndef _M68K_VMPARAM_H_
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#define _M68K_VMPARAM_H_
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/*
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* Common constants for m68k ports
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*/
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/*
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* hp300 pmap derived m68k ports can use 4K or 8K pages.
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* (except HPMMU machines, that support only 4K page)
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* sun3 and sun3x use 8K pages.
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* The page size is specified by PGSHIFT in <machine/param.h>.
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* Override the PAGE_* definitions to be compile-time constants.
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*/
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#define PAGE_SHIFT PGSHIFT
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#define PAGE_MASK (PAGE_SIZE - 1)
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/* Some implemantations like jemalloc(3) require physical page size details. */
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/*
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* XXX:
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* <uvm/uvm_param.h> assumes PAGE_SIZE is not a constant macro
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* but a variable (*uvmexp_pagesize) on MODULE builds in case of
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* (MIN_PAGE_SIZE != MAX_PAGE_SIZE). For now we define these macros
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* for m68k ports only on !_KERNEL (currently just for jemalloc) builds.
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*/
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#if !defined(_KERNEL)
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#define MIN_PAGE_SHIFT 12
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#define MAX_PAGE_SHIFT 13
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#define MIN_PAGE_SIZE (1 << MIN_PAGE_SHIFT)
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#define MAX_PAGE_SIZE (1 << MAX_PAGE_SHIFT)
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#endif /* !_KERNEL */
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#endif /* _M68K_VMPARAM_H_ */ |