1/* $NetBSD: vmparam.h,v 1.10 2021/09/11 20:28:04 andvar Exp $ */ 2/*- 3 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 8 * Agency and which was developed by Matt Thomas of 3am Software Foundry. 9 * 10 * This material is based upon work supported by the Defense Advanced Research 11 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 12 * Contract No. N66001-09-C-2073. 13 * Approved for Public Release, Distribution Unlimited 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37#ifndef _POWERPC_BOOKE_VMPARAM_H_ 38#define _POWERPC_BOOKE_VMPARAM_H_ 39 40/* 41 * Most of the definitions in this can be overridden by a machine-specific 42 * vmparam.h if required. Otherwise a port can just include this file 43 * get the right thing to happen. 44 */ 45 46/* 47 * BookE processors have 4K pages. Override the PAGE_* definitions to be 48 * compile-time constants. 49 */ 50#define PAGE_SHIFT 12 51#define PAGE_SIZE (1 << PAGE_SHIFT) 52#define PAGE_MASK (PAGE_SIZE - 1) 53 54#ifndef USRSTACK 55#define USRSTACK VM_MAXUSER_ADDRESS 56#endif 57 58#ifndef MAXTSIZ 59#define MAXTSIZ (128*1024*1024) /* maximum text size */ 60#endif 61 62#ifndef MAXDSIZ 63#define MAXDSIZ (1024*1024*1024) /* maximum data size */ 64#endif 65 66#ifndef MAXSSIZ 67#define MAXSSIZ (32*1024*1024) /* maximum stack size */ 68#endif 69 70#ifndef DFLDSIZ 71#define DFLDSIZ (256*1024*1024) /* default data size */ 72#endif 73 74#ifndef DFLSSIZ 75#define DFLSSIZ (2*1024*1024) /* default stack size */ 76#endif 77 78/* 79 * Default number of pages in the user raw I/O map. 80 */ 81#ifndef USRIOSIZE 82#define USRIOSIZE 1024 83#endif 84 85/* 86 * The number of seconds for a process to be blocked before being 87 * considered very swappable. 88 */ 89#ifndef MAXSLP 90#define MAXSLP 20 91#endif 92 93/* 94 * Some system constants 95 */ 96 97#define VM_MIN_ADDRESS ((vaddr_t) 0) 98#define VM_MAXUSER_ADDRESS ((vaddr_t) /* -32768 */ 0xffff8000) 99#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 100#define VM_MIN_KERNEL_ADDRESS ((vaddr_t) 0xe4000000) 101#define VM_MAX_KERNEL_ADDRESS ((vaddr_t) 0xfefff000) 102 103#define VM_PHYSSEG_STRAT VM_PSTRAT_BIGFIRST 104 105#ifndef VM_PHYS_SIZE 106#define VM_PHYS_SIZE (USRIOSIZE * PAGE_SIZE) 107#endif 108 109#include <uvm/pmap/vmpagemd.h> 110 111#endif /* _POWERPC_BOOKE_VMPARAM_H_ */ 112