1 /* $NetBSD: seglist.h,v 1.7 2021/12/05 04:54:21 msaitoh Exp $ */ 2 3 /* 4 * This file was taken from mvme68k/mvme68k/seglist.h 5 * should probably be re-synced when needed. 6 * Darrin B. Jewell <jewell@mit.edu> Tue Nov 10 05:07:16 1998 7 * original cvs id: NetBSD: seglist.h,v 1.4 1998/08/22 10:55:35 scw Exp 8 */ 9 10 /* 11 * Copyright (c) 1997 The Steve Woodford 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * The following structure is passed to pmap_bootstrap by the startup 37 * code in locore.s. 38 * It simply describes the start and end addresses of the memory 39 * segments available to the board. 40 * If the offboard RAM segment spans multiple boards, they must be 41 * configured to appear physically contiguous in the VMEbus address 42 * space. 43 * 44 * NOTE: If you change this, you'll need to update locore.s ... 45 */ 46 typedef struct { 47 paddr_t ps_start; /* Start of segment */ 48 paddr_t ps_end; /* End of segment */ 49 int ps_startpage; /* Page number of first page */ 50 } phys_seg_list_t; 51 52 /* Instantiated in machdep.c */ 53 extern phys_seg_list_t phys_seg_list[]; 54