1 /* $NetBSD: ofw_machdep.h,v 1.6 2022/11/24 00:07:49 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2021 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _POWERPC_OFW_MACHDEP_H_ 30 #define _POWERPC_OFW_MACHDEP_H_ 31 32 #ifdef _KERNEL 33 #include <machine/powerpc.h> 34 35 /* 36 * The general format of an OpenFirmware virtual translation record is: 37 * 38 * cell(s) virt 39 * cell(s) size 40 * cell(s) phys 41 * cell mode 42 * 43 * "mode" contains PTE WIMG bits. 44 * 45 * We define this structure to describe these translations that's independent 46 * of the number of cells each field consumes. 47 */ 48 struct OF_translation { 49 vaddr_t virt; 50 vsize_t size; 51 paddr_t phys; 52 uint32_t mode; 53 }; 54 55 #define OFW_MAX_TRANSLATIONS 48 56 57 extern bool ofwbootcons_suppress; /* suppress OF console I/O */ 58 59 extern int ofw_chosen; /* cached handle for "/chosen" */ 60 extern struct OF_translation ofw_translations[OFW_MAX_TRANSLATIONS]; 61 62 void ofw_bootstrap(void); 63 void ofprint(const char *, ...); 64 65 #endif /* _KERNEL */ 66 67 #endif /* _POWERPC_OFW_MACHDEP_H_ */ 68