1 /* $NetBSD: vmparam.h,v 1.18 2001/06/10 11:01:28 tsubai Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifdef NEWPMAP 35 #include <powerpc/mpc6xx/vmparam.h> 36 #define _MACHINE_VMPARAM_H_ 37 #endif 38 39 #ifndef _MACHINE_VMPARAM_H_ 40 #define _MACHINE_VMPARAM_H_ 41 42 #define USRTEXT NBPG 43 #define USRSTACK VM_MAXUSER_ADDRESS 44 45 #ifndef MAXTSIZ 46 #define MAXTSIZ (64*1024*1024) /* max text size */ 47 #endif 48 49 #ifndef DFLDSIZ 50 #define DFLDSIZ (128*1024*1024) /* default data size */ 51 #endif 52 53 #ifndef MAXDSIZ 54 #define MAXDSIZ (1*1024*1024*1024) /* max data size */ 55 #endif 56 57 #ifndef DFLSSIZ 58 #define DFLSSIZ (2*1024*1024) /* default stack size */ 59 #endif 60 61 #ifndef MAXSSIZ 62 #define MAXSSIZ (32*1024*1024) /* max stack size */ 63 #endif 64 65 /* 66 * Size of shared memory map 67 */ 68 #ifndef SHMMAXPGS 69 #define SHMMAXPGS 1024 70 #endif 71 72 /* 73 * Size of User Raw I/O map 74 */ 75 #define USRIOSIZE 1024 76 77 /* 78 * The time for a process to be blocked before being very swappable. 79 * This is a number of seconds which the system takes as being a non-trivial 80 * amount of real time. You probably shouldn't change this; 81 * it is used in subtle ways (fractions and multiples of it are, that is, like 82 * half of a ``long time'', almost a long time, etc.) 83 * It is related to human patience and other factors which don't really 84 * change over time. 85 */ 86 #define MAXSLP 20 87 88 /* 89 * Would like to have MAX addresses = 0, but this doesn't (currently) work 90 */ 91 #define VM_MIN_ADDRESS ((vaddr_t)0) 92 #define VM_MAXUSER_ADDRESS ((vaddr_t)0x7ffff000) 93 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 94 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT)) 95 #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) 96 97 /* XXX max. amount of KVM to be used by buffers. */ 98 #ifndef VM_MAX_KERNEL_BUF 99 #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH / 2) 100 #endif 101 102 #define VM_PHYS_SIZE (USRIOSIZE * NBPG) 103 104 #define __HAVE_PMAP_PHYSSEG 105 106 struct pmap_physseg { 107 struct pv_entry *pvent; 108 char *attrs; 109 }; 110 111 #define VM_PHYSSEG_MAX 16 /* 1? */ 112 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 113 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 114 115 #define VM_NFREELIST 1 116 #define VM_FREELIST_DEFAULT 0 117 118 #endif /* _MACHINE_VMPARAM_H_ */ 119