/* $OpenBSD: vmparam.h,v 1.3 2006/06/04 17:21:22 miod Exp $ */ /* $NetBSD: vmparam.h,v 1.23 2003/05/22 05:47:07 thorpej Exp $ */ /* * Copyright (c) 1988 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _ARM32_VMPARAM_H_ #define _ARM32_VMPARAM_H_ #define ARM_KERNEL_BASE 0xc0000000 #include #ifdef _KERNEL /* * Address space constants */ /* * The line between user space and kernel space * Mappings >= KERNEL_BASE are constant across all processes */ #define KERNEL_BASE ARM_KERNEL_BASE /* * Override the default pager_map size, there's not enough KVA. */ #define PAGER_MAP_SIZE (4 * 1024 * 1024) /* * Size of User Raw I/O map */ #define USRIOSIZE 300 /* virtual sizes (bytes) for various kernel submaps */ #define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE) /* * max number of non-contig chunks of physical RAM you can have */ #define VM_PHYSSEG_MAX 1 #define VM_PHYSSEG_STRAT VM_PSTRAT_RANDOM /* * this indicates that we can't add RAM to the VM system after the * vm system is init'd. */ #define VM_PHYSSEG_NOADD /* * we support 2 free lists: * * - DEFAULT for all systems * - ISADMA for the ISA DMA range on Sharks only */ #endif /* _KERNEL */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #endif /* _ARM32_VMPARAM_H_ */