/* $NetBSD: vmparam.h,v 1.28 2017/11/02 09:42:45 skrll 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 _NETWINDER_VMPARAM_H_ #define _NETWINDER_VMPARAM_H_ #if defined(_KERNEL) || defined(_KMEMUSER) #include <arm/arm32/vmparam.h> /* * Address space constants */ /* * The line between user space and kernel space * Mappings >= KERNEL_BASE are constant across all processes */ #define KERNEL_BASE 0xf0000000 /* * 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 32 /* * when converting a physical address to a vm_page structure, we * want to use a binary search on the chunks of physical memory * to find our RAM */ #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH /* * we support 2 free lists: * * - DEFAULT for all systems * - ISADMA for the ISA DMA range */ #define VM_NFREELIST 2 #define VM_FREELIST_DEFAULT 0 #define VM_FREELIST_ISADMA 1 #endif /* _KERNEL || _KMEMUSER */ #endif /* _NETWINDER_VMPARAM_H_ */ |