blob: 8f728561f67a7d7a1214b4c9a7abe0d1b2d910bf [file] [log] [blame]
/*
* Copyright 2018 The Hafnium Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
struct fdt_node {
const struct fdt_header *hdr;
const char *begin;
const char *end;
const char *strs;
};
size_t fdt_header_size(void);
uint32_t fdt_total_size(struct fdt_header *hdr);
void fdt_dump(const struct fdt_header *hdr);
bool fdt_root_node(struct fdt_node *node, const struct fdt_header *hdr);
bool fdt_find_child(struct fdt_node *node, const char *child);
bool fdt_first_child(struct fdt_node *node, const char **child_name);
bool fdt_next_sibling(struct fdt_node *node, const char **sibling_name);
bool fdt_read_property(const struct fdt_node *node, const char *name,
const char **buf, uint32_t *size);
bool fdt_parse_number(const char *data, uint32_t size, uint64_t *value);
void fdt_add_mem_reservation(struct fdt_header *hdr, uint64_t addr,
uint64_t len);