1 /* $OpenBSD: vmparam.h,v 1.20 2024/02/01 00:39:57 deraadt Exp $ */ 2 /* $NetBSD: vmparam.h,v 1.18 2003/05/21 18:04:44 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002 Wasabi Systems, Inc. 6 * All rights reserved. 7 * 8 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed for the NetBSD Project by 21 * Wasabi Systems, Inc. 22 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 23 * or promote products derived from this software without specific prior 24 * written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _ARM_VMPARAM_H_ 40 #define _ARM_VMPARAM_H_ 41 42 /* 43 * Virtual Memory parameters common to all arm32 platforms. 44 */ 45 46 #define USRSTACK VM_MAXUSER_ADDRESS 47 #define KERNBASE VM_MAXUSER_ADDRESS 48 49 #define MAXTSIZ (128*1024*1024) /* max text size */ 50 51 #ifndef DFLDSIZ 52 #define DFLDSIZ (128*1024*1024) /* initial data size limit */ 53 #endif 54 #ifndef MAXDSIZ 55 #define MAXDSIZ (512*1024*1024) /* max data size */ 56 #endif 57 #ifndef BRKSIZ 58 #define BRKSIZ MAXDSIZ /* heap gap size */ 59 #endif 60 #ifndef DFLSSIZ 61 #define DFLSSIZ (2*1024*1024) /* initial stack size limit */ 62 #endif 63 #ifndef MAXSSIZ 64 #define MAXSSIZ (32*1024*1024) /* max stack size */ 65 #endif 66 67 #define STACKGAP_RANDOM 256*1024 68 69 /* 70 * Size of SysV shared memory map 71 */ 72 #ifndef SHMMAXPGS 73 #define SHMMAXPGS 1024 74 #endif 75 76 /* 77 * Mach derived constants 78 */ 79 #define VM_MIN_ADDRESS ((vaddr_t) PAGE_SIZE) 80 #define VM_MAXUSER_ADDRESS ((vaddr_t) ARM_KERNEL_BASE) 81 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 82 83 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t) ARM_KERNEL_BASE) 84 85 #endif /* _ARM_VMPARAM_H_ */ 86