vmparam.h revision 210550
1230557Sjimharris/*- 2230557Sjimharris * Copyright (C) 1995, 1996 Wolfgang Solfrank. 3230557Sjimharris * Copyright (C) 1995, 1996 TooLs GmbH. 4230557Sjimharris * All rights reserved. 5230557Sjimharris * 6230557Sjimharris * Redistribution and use in source and binary forms, with or without 7230557Sjimharris * modification, are permitted provided that the following conditions 8230557Sjimharris * are met: 9230557Sjimharris * 1. Redistributions of source code must retain the above copyright 10230557Sjimharris * notice, this list of conditions and the following disclaimer. 11230557Sjimharris * 2. Redistributions in binary form must reproduce the above copyright 12230557Sjimharris * notice, this list of conditions and the following disclaimer in the 13230557Sjimharris * documentation and/or other materials provided with the distribution. 14230557Sjimharris * 3. All advertising materials mentioning features or use of this software 15230557Sjimharris * must display the following acknowledgement: 16230557Sjimharris * This product includes software developed by TooLs GmbH. 17230557Sjimharris * 4. The name of TooLs GmbH may not be used to endorse or promote products 18230557Sjimharris * derived from this software without specific prior written permission. 19230557Sjimharris * 20230557Sjimharris * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 21230557Sjimharris * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22230557Sjimharris * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23230557Sjimharris * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24230557Sjimharris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25230557Sjimharris * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26230557Sjimharris * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27230557Sjimharris * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28230557Sjimharris * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29230557Sjimharris * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30230557Sjimharris * 31230557Sjimharris * $NetBSD: vmparam.h,v 1.11 2000/02/11 19:25:16 thorpej Exp $ 32230557Sjimharris * $FreeBSD: head/sys/powerpc/include/vmparam.h 210550 2010-07-27 20:33:50Z jhb $ 33230557Sjimharris */ 34230557Sjimharris 35230557Sjimharris#ifndef _MACHINE_VMPARAM_H_ 36230557Sjimharris#define _MACHINE_VMPARAM_H_ 37230557Sjimharris 38230557Sjimharris#define USRSTACK VM_MAXUSER_ADDRESS 39230557Sjimharris 40230557Sjimharris#ifndef MAXTSIZ 41230557Sjimharris#define MAXTSIZ (64*1024*1024) /* max text size */ 42230557Sjimharris#endif 43230557Sjimharris 44230557Sjimharris#ifndef DFLDSIZ 45230557Sjimharris#define DFLDSIZ (128*1024*1024) /* default data size */ 46230557Sjimharris#endif 47230557Sjimharris 48230557Sjimharris#ifndef MAXDSIZ 49230557Sjimharris#define MAXDSIZ (1*1024*1024*1024) /* max data size */ 50230557Sjimharris#endif 51230557Sjimharris 52230557Sjimharris#ifndef DFLSSIZ 53230557Sjimharris#define DFLSSIZ (8*1024*1024) /* default stack size */ 54230557Sjimharris#endif 55230557Sjimharris 56230557Sjimharris#ifndef MAXSSIZ 57230557Sjimharris#define MAXSSIZ (64*1024*1024) /* max stack size */ 58230557Sjimharris#endif 59230557Sjimharris 60230557Sjimharris/* 61230557Sjimharris * The time for a process to be blocked before being very swappable. 62230557Sjimharris * This is a number of seconds which the system takes as being a non-trivial 63230557Sjimharris * amount of real time. You probably shouldn't change this; 64230557Sjimharris * it is used in subtle ways (fractions and multiples of it are, that is, like 65230557Sjimharris * half of a ``long time'', almost a long time, etc.) 66230557Sjimharris * It is related to human patience and other factors which don't really 67230557Sjimharris * change over time. 68230557Sjimharris */ 69230557Sjimharris#define MAXSLP 20 70230557Sjimharris 71230557Sjimharris/* 72230557Sjimharris * Would like to have MAX addresses = 0, but this doesn't (currently) work 73230557Sjimharris */ 74230557Sjimharris#if !defined(LOCORE) 75230557Sjimharris#ifdef __powerpc64__ 76230557Sjimharris#define VM_MIN_ADDRESS (0x0000000000000000UL) 77230557Sjimharris#define VM_MAXUSER_ADDRESS (0x7ffffffffffff000UL) 78230557Sjimharris#define VM_MAX_ADDRESS (0xffffffffffffffffUL) 79230557Sjimharris#else 80230557Sjimharris#define VM_MIN_ADDRESS ((vm_offset_t)0) 81230557Sjimharris#define VM_MAXUSER_ADDRESS ((vm_offset_t)0x7ffff000) 82230557Sjimharris#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 83230557Sjimharris#endif 84230557Sjimharris#else /* LOCORE */ 85230557Sjimharris#ifndef __powerpc64__ 86230557Sjimharris#define VM_MIN_ADDRESS 0 87230557Sjimharris#define VM_MAXUSER_ADDRESS 0x7ffff000 88230557Sjimharris#endif 89230557Sjimharris#endif /* LOCORE */ 90230557Sjimharris 91230557Sjimharris#define FREEBSD32_USRSTACK 0x7ffff000 92230557Sjimharris 93230557Sjimharris 94230557Sjimharris#ifdef AIM 95230557Sjimharris#define KERNBASE 0x00100000UL /* start of kernel virtual */ 96230557Sjimharris 97230557Sjimharris#ifdef __powerpc64__ 98230557Sjimharris#define VM_MIN_KERNEL_ADDRESS 0xc000000000000000UL 99230557Sjimharris#define VM_MAX_KERNEL_ADDRESS 0xc0000001c7ffffffUL 100230557Sjimharris#define VM_MAX_SAFE_KERNEL_ADDRESS VM_MAX_KERNEL_ADDRESS 101230557Sjimharris#else 102230557Sjimharris#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNEL_SR << ADDR_SR_SHFT) 103230557Sjimharris#define VM_MAX_SAFE_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + 2*SEGMENT_LENGTH -1) 104230557Sjimharris#define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + 3*SEGMENT_LENGTH - 1) 105230557Sjimharris#endif 106230557Sjimharris 107230557Sjimharris/* 108230557Sjimharris * Use the direct-mapped BAT registers for UMA small allocs. This 109230557Sjimharris * takes pressure off the small amount of available KVA. 110230557Sjimharris */ 111230557Sjimharris#define UMA_MD_SMALL_ALLOC 112230557Sjimharris 113230557Sjimharris#else /* Book-E */ 114230557Sjimharris 115230557Sjimharris/* 116230557Sjimharris * Kernel CCSRBAR location. We make this the reset location. 117230557Sjimharris */ 118230557Sjimharris#define CCSRBAR_VA 0xfef00000 119230557Sjimharris#define CCSRBAR_SIZE 0x00100000 120230557Sjimharris 121230557Sjimharris#define KERNBASE 0xc0000000 /* start of kernel virtual */ 122230557Sjimharris 123230557Sjimharris#define VM_MIN_KERNEL_ADDRESS KERNBASE 124230557Sjimharris#define VM_MAX_KERNEL_ADDRESS 0xf8000000 125230557Sjimharris 126230557Sjimharris#endif /* AIM/E500 */ 127230557Sjimharris 128230557Sjimharris/* XXX max. amount of KVM to be used by buffers. */ 129230557Sjimharris#ifndef VM_MAX_KERNEL_BUF 130230557Sjimharris#define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) 131230557Sjimharris#endif 132230557Sjimharris 133230557Sjimharris#if !defined(LOCORE) 134230557Sjimharrisstruct pmap_physseg { 135230557Sjimharris struct pv_entry *pvent; 136230557Sjimharris char *attrs; 137230557Sjimharris}; 138230557Sjimharris#endif 139230557Sjimharris 140230557Sjimharris#define VM_PHYSSEG_MAX 16 /* 1? */ 141230557Sjimharris 142230557Sjimharris/* 143230557Sjimharris * The physical address space is densely populated. 144230557Sjimharris */ 145230557Sjimharris#define VM_PHYSSEG_DENSE 146230557Sjimharris 147230557Sjimharris/* 148230557Sjimharris * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool 149230557Sjimharris * from which physical pages are allocated and VM_FREEPOOL_DIRECT is 150230557Sjimharris * the pool from which physical pages for small UMA objects are 151230557Sjimharris * allocated. 152230557Sjimharris */ 153230557Sjimharris#define VM_NFREEPOOL 3 154230557Sjimharris#define VM_FREEPOOL_CACHE 2 155230557Sjimharris#define VM_FREEPOOL_DEFAULT 0 156230557Sjimharris#define VM_FREEPOOL_DIRECT 1 157230557Sjimharris 158230557Sjimharris/* 159230557Sjimharris * Create one free page list. 160230557Sjimharris */ 161230557Sjimharris#define VM_NFREELIST 1 162230557Sjimharris#define VM_FREELIST_DEFAULT 0 163230557Sjimharris 164230557Sjimharris/* 165230557Sjimharris * The largest allocation size is 4MB. 166230557Sjimharris */ 167230557Sjimharris#define VM_NFREEORDER 11 168230557Sjimharris 169230557Sjimharris/* 170230557Sjimharris * Only one memory domain. 171230557Sjimharris */ 172230557Sjimharris#ifndef VM_NDOMAIN 173230557Sjimharris#define VM_NDOMAIN 1 174230557Sjimharris#endif 175230557Sjimharris 176230557Sjimharris/* 177230557Sjimharris * Disable superpage reservations. 178230557Sjimharris */ 179230557Sjimharris#ifndef VM_NRESERVLEVEL 180230557Sjimharris#define VM_NRESERVLEVEL 0 181230557Sjimharris#endif 182230557Sjimharris 183230557Sjimharris#ifndef VM_INITIAL_PAGEIN 184230557Sjimharris#define VM_INITIAL_PAGEIN 16 185230557Sjimharris#endif 186230557Sjimharris 187230557Sjimharris#ifndef SGROWSIZ 188230557Sjimharris#define SGROWSIZ (128UL*1024) /* amount to grow stack */ 189230557Sjimharris#endif 190230557Sjimharris 191230557Sjimharris#ifndef VM_KMEM_SIZE 192230557Sjimharris#define VM_KMEM_SIZE (12 * 1024 * 1024) 193230557Sjimharris#endif 194230557Sjimharris 195230792Sjimharris#ifdef __powerpc64__ 196230792Sjimharris#ifndef VM_KMEM_SIZE_SCALE 197230557Sjimharris#define VM_KMEM_SIZE_SCALE (3) 198230557Sjimharris#endif 199230557Sjimharris 200230557Sjimharris#ifndef VM_KMEM_SIZE_MAX 201230557Sjimharris#define VM_KMEM_SIZE_MAX 0x1c0000000 /* 7 GB */ 202230557Sjimharris#endif 203230557Sjimharris#endif 204230557Sjimharris 205230557Sjimharris#endif /* _MACHINE_VMPARAM_H_ */ 206230557Sjimharris