1*accf8784Sjmcneill /* $NetBSD: fdt_memory.h,v 1.2 2022/11/04 10:51:16 jmcneill Exp $ */ 2ff970d37Sskrll 3ff970d37Sskrll /*- 4ff970d37Sskrll * Copyright (c) 2018 The NetBSD Foundation, Inc. 5ff970d37Sskrll * All rights reserved. 6ff970d37Sskrll * 7ff970d37Sskrll * This code is derived from software contributed to The NetBSD Foundation 8ff970d37Sskrll * by Jared McNeill <jmcneill@invisible.ca>. 9ff970d37Sskrll * 10ff970d37Sskrll * Redistribution and use in source and binary forms, with or without 11ff970d37Sskrll * modification, are permitted provided that the following conditions 12ff970d37Sskrll * are met: 13ff970d37Sskrll * 1. Redistributions of source code must retain the above copyright 14ff970d37Sskrll * notice, this list of conditions and the following disclaimer. 15ff970d37Sskrll * 2. Redistributions in binary form must reproduce the above copyright 16ff970d37Sskrll * notice, this list of conditions and the following disclaimer in the 17ff970d37Sskrll * documentation and/or other materials provided with the distribution. 18ff970d37Sskrll * 19ff970d37Sskrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20ff970d37Sskrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21ff970d37Sskrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22ff970d37Sskrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23ff970d37Sskrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24ff970d37Sskrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25ff970d37Sskrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26ff970d37Sskrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27ff970d37Sskrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28ff970d37Sskrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29ff970d37Sskrll * POSSIBILITY OF SUCH DAMAGE. 30ff970d37Sskrll */ 31ff970d37Sskrll 32ff970d37Sskrll #ifndef _DEV_FDT_FDT_MEMORY_H_ 33ff970d37Sskrll #define _DEV_FDT_FDT_MEMORY_H_ 34ff970d37Sskrll 35*accf8784Sjmcneill #include "opt_fdt.h" 36*accf8784Sjmcneill 37*accf8784Sjmcneill #ifndef FDT_MEMORY_RANGES 38*accf8784Sjmcneill #define FDT_MEMORY_RANGES 256 39*accf8784Sjmcneill #endif 40*accf8784Sjmcneill 41ff970d37Sskrll struct fdt_memory { 42ff970d37Sskrll uint64_t start; 43ff970d37Sskrll uint64_t end; 44ff970d37Sskrll }; 45ff970d37Sskrll 46ff970d37Sskrll void fdt_memory_init(void); 47ff970d37Sskrll void fdt_memory_get(uint64_t *, uint64_t *); 48ff970d37Sskrll void fdt_memory_add_range(uint64_t, uint64_t); 49ff970d37Sskrll void fdt_memory_remove_range(uint64_t, uint64_t); 50ff970d37Sskrll void fdt_memory_remove_reserved(uint64_t, uint64_t); 51ff970d37Sskrll 52ff970d37Sskrll void fdt_memory_foreach(void (*)(const struct fdt_memory *, void *), void *); 53ff970d37Sskrll 54ff970d37Sskrll #endif /* _DEV_FDT_FDT_MEMORY_H_ */ 55