/* $NetBSD: vmparam.h,v 1.56 2026/05/03 19:10:40 thorpej Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: vmparam.h 1.16 91/01/18$ * * @(#)vmparam.h 7.3 (Berkeley) 5/7/91 */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ #if defined(_KERNEL) && !defined(_MODULE) /* * Virtual memory related constants, all in bytes * XXX Dunno why we would do these any differently from the * XXX other 68k platforms, but then again we have an odd-ball * XXX VM_MAX_ADDRESS / USRSTACK. WHY? */ #ifndef MAXTSIZ #define MAXTSIZ (32*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (64*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (224*1024*1024) /* max data size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (2*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (32*1024*1024) /* max stack size */ #endif #define VM_MAX_ADDRESS 0x1E000000 /* * Our bootloader currently passes up to 16 segments (but this is variable) * Normally, the biggest of them is used for the kernel, and the kernel * segment is given to VM first. */ #define VM_PHYSSEG_MAX (16) #define VM_PHYSSEG_STRAT VM_PSTRAT_RANDOM /* * Allow supporting Zorro-II memory as lower priority: * * - DEFAULT for Zorro-III memory (presumably 32 bit) * - ZORROII for Zorro-II memory (16 bit, Zorro-II DMA) */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ZORROII 1 #endif /* _KERNEL && !_MODULE */ #include #endif /* !_MACHINE_VMPARAM_H_ */