114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
/* $NetBSD: vmparam.h,v 1.6 1997/10/14 09:20:40 mark Exp $ */
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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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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#ifndef _ARM32_VMPARAM_H_
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#define _ARM32_VMPARAM_H_
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#define USRTEXT VM_MIN_ADDRESS
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#define USRSTACK VM_MAXUSER_ADDRESS
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/*
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* Note that MAXTSIZ mustn't be greater than 32M. Otherwise you'd have
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* to change the compiler to not generate bl instructions
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*/
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#define MAXTSIZ (8*1024*1024) /* max text size */
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#ifndef DFLDSIZ
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#define DFLDSIZ (16*1024*1024) /* initial data size limit */
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#endif
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#ifndef MAXDSIZ
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#define MAXDSIZ (256*1024*1024) /* max data size */
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#endif
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#ifndef DFLSSIZ
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#define DFLSSIZ (512*1024) /* initial stack size limit */
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#endif
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#ifndef MAXSSIZ
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#define MAXSSIZ (8*1024*1024) /* max stack size */
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#endif
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/*
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* Size of shared memory map
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*/
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#ifndef SHMMAXPGS
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#define SHMMAXPGS 1024
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#endif
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/*
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* The time for a process to be blocked before being very swappable.
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* This is a number of seconds which the system takes as being a non-trivial
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* amount of real time. You probably shouldn't change this;
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* it is used in subtle ways (fractions and multiples of it are, that is, like
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* half of a `long time'', almost a long time, etc.)
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* It is related to human patience and other factors which don't really
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* change over time.
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*/
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#define MAXSLP 20
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/*
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* Mach derived constants
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*/
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/* Need to link some of these with some in param.h */
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#define VM_MIN_ADDRESS ((vm_offset_t)0x00001000)
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#define VM_MAXUSER_ADDRESS ((vm_offset_t)0xefc00000 - UPAGES * NBPG)
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#define VM_MAX_ADDRESS ((vm_offset_t)0xeffc0000)
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#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)0xf0000000)
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#define VM_MAXKERN_ADDRESS ((vm_offset_t)0xf3000000)
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#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)0xffffffff)
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/*
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* Size of User Raw I/O map
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*/
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#define USRIOSIZE 300
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/* XXX max. amount of KVM to be used by buffers. */
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#ifndef VM_MAX_KERNEL_BUF
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#define VM_MAX_KERNEL_BUF \
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((VM_MAXKERN_ADDRESS - KERNEL_VM_BASE /*VM_MIN_KERNEL_ADDRESS*/) / 4)
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#endif
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/* virtual sizes (bytes) for various kernel submaps */
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#define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES)
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#define VM_KMEM_SIZE (NKMEMCLUSTERS*CLBYTES)
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#define VM_PHYS_SIZE (USRIOSIZE*CLBYTES)
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#endif
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/* End of vmparam.h */
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