1*2688b459Schristos /* $NetBSD: vmparam.h,v 1.7 2019/03/27 17:15:30 christos Exp $ */ 2c657d486Sober 3c657d486Sober /* 4c657d486Sober * Copyright (c) 1988 The Regents of the University of California. 5c657d486Sober * All rights reserved. 6c657d486Sober * 7c657d486Sober * Redistribution and use in source and binary forms, with or without 8c657d486Sober * modification, are permitted provided that the following conditions 9c657d486Sober * are met: 10c657d486Sober * 1. Redistributions of source code must retain the above copyright 11c657d486Sober * notice, this list of conditions and the following disclaimer. 12c657d486Sober * 2. Redistributions in binary form must reproduce the above copyright 13c657d486Sober * notice, this list of conditions and the following disclaimer in the 14c657d486Sober * documentation and/or other materials provided with the distribution. 15c657d486Sober * 3. Neither the name of the University nor the names of its contributors 16c657d486Sober * may be used to endorse or promote products derived from this software 17c657d486Sober * without specific prior written permission. 18c657d486Sober * 19c657d486Sober * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20c657d486Sober * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21c657d486Sober * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22c657d486Sober * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23c657d486Sober * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24c657d486Sober * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25c657d486Sober * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26c657d486Sober * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27c657d486Sober * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28c657d486Sober * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29c657d486Sober * SUCH DAMAGE. 30c657d486Sober */ 31c657d486Sober 32c657d486Sober #ifndef _ZAURUS_VMPARAM_H_ 33c657d486Sober #define _ZAURUS_VMPARAM_H_ 34c657d486Sober 35c657d486Sober #include <arm/arm32/vmparam.h> 36c657d486Sober 37c657d486Sober /* 38c657d486Sober * Address space constants 39c657d486Sober */ 40c657d486Sober 41c657d486Sober /* 42c657d486Sober * The line between user space and kernel space 43c657d486Sober * Mappings >= KERNEL_BASE are constant across all processes 44c657d486Sober */ 45c657d486Sober #define KERNEL_BASE 0xc0000000 46c657d486Sober 47c657d486Sober /* 48c657d486Sober * Size of User Raw I/O map 49c657d486Sober */ 50c657d486Sober 51c657d486Sober #define USRIOSIZE 300 52c657d486Sober 53c657d486Sober /* virtual sizes (bytes) for various kernel submaps */ 54c657d486Sober 55c657d486Sober #define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE) 56c657d486Sober 57c657d486Sober /* 58c657d486Sober * max number of non-contig chunks of physical RAM you can have 59c657d486Sober */ 60c657d486Sober 61c657d486Sober #define VM_PHYSSEG_MAX 32 62c657d486Sober 63c657d486Sober /* 64c657d486Sober * when converting a physical address to a vm_page structure, we 65c657d486Sober * want to use a binary search on the chunks of physical memory 66c657d486Sober * to find our RAM 67c657d486Sober */ 68c657d486Sober 69c657d486Sober #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 70c657d486Sober 71c657d486Sober /* 72c657d486Sober * we support 2 free lists: 73c657d486Sober * 74c657d486Sober * - DEFAULT for all systems 7581f10ee7Sskrll * - ISADMA for the ISA DMA range 76c657d486Sober */ 77c657d486Sober 78c657d486Sober #define VM_NFREELIST 2 79c657d486Sober #define VM_FREELIST_DEFAULT 0 80c657d486Sober #define VM_FREELIST_ISADMA 1 81c657d486Sober 82c657d486Sober #endif /* _ZAURUS_VMPARAM_H_ */ 83