| 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_ */ |