1 /* $NetBSD: vmparam.h,v 1.18 2002/07/07 19:32:49 matt 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 #ifndef OLDPMAP 35 #define USER_SR 11 36 #include <powerpc/mpc6xx/vmparam.h> 37 #define _MACHINE_VMPARAM_H_ 38 #endif 39 40 #ifndef _MACHINE_VMPARAM_H_ 41 #define _MACHINE_VMPARAM_H_ 42 43 #define USRTEXT NBPG 44 #define USRSTACK VM_MAXUSER_ADDRESS 45 46 #ifndef MAXTSIZ 47 #define MAXTSIZ (16*1024*1024) /* max text size */ 48 #endif 49 50 #ifndef DFLDSIZ 51 #define DFLDSIZ (16*1024*1024) /* default data size */ 52 #endif 53 54 #ifndef MAXDSIZ 55 #define MAXDSIZ (512*1024*1024) /* max data size */ 56 #endif 57 58 #ifndef DFLSSIZ 59 #define DFLSSIZ (1*1024*1024) /* default stack size */ 60 #endif 61 62 #ifndef MAXSSIZ 63 #define MAXSSIZ (32*1024*1024) /* max stack size */ 64 #endif 65 66 /* 67 * Size of shared memory map 68 */ 69 #ifndef SHMMAXPGS 70 #define SHMMAXPGS 1024 71 #endif 72 73 /* 74 * Size of User Raw I/O map 75 */ 76 #define USRIOSIZE 1024 77 78 /* 79 * Would like to have MAX addresses = 0, but this doesn't (currently) work 80 */ 81 #define VM_MIN_ADDRESS ((vaddr_t)0) 82 #define VM_MAXUSER_ADDRESS ((vaddr_t)0xfffff000) 83 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 84 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT)) 85 #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) 86 87 /* XXX max. amount of KVM to be used by buffers. */ 88 #ifndef VM_MAX_KERNEL_BUF 89 #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH / 2) 90 #endif 91 92 /* 93 * Override the default pager_map size, there's not enough KVA. 94 */ 95 #define PAGER_MAP_SIZE (4 * 1024 * 1024) 96 97 #define VM_PHYS_SIZE (USRIOSIZE * NBPG) 98 99 #define __HAVE_PMAP_PHYSSEG 100 101 struct pmap_physseg { 102 struct pv_entry *pvent; 103 char *attrs; 104 }; 105 106 #define VM_PHYSSEG_MAX 32 107 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 108 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 109 110 #define VM_NFREELIST 1 111 #define VM_FREELIST_DEFAULT 0 112 113 #endif /* _MACHINE_VMPARAM_H_ */ 114