A pure-Rust #![no_std] crate for parsing Flattened Devicetrees, with the goal of having a
very ergonomic and idiomatic API.
This crate is licensed under the Mozilla Public License 2.0 (see the LICENSE file).
static MY_FDT: &[u8] = include_bytes!("../dtb/test.dtb");
fn main() {
let fdt = fdt::Fdt::new(MY_FDT).unwrap();
println!("This is a devicetree representation of a {}", fdt.root().model());
println!("...which is compatible with at least: {}", fdt.root().compatible().first());
println!("...and has {} CPU(s)", fdt.cpus().count());
println!(
"...and has at least one memory location at: {:#X}\n",
fdt.memory().regions().next().unwrap().starting_address as usize
);
let chosen = fdt.chosen();
if let Some(bootargs) = chosen.bootargs() {
println!("The bootargs are: {:?}", bootargs);
}
if let Some(stdout) = chosen.stdout() {
println!("It would write stdout to: {}", stdout.node().name);
}
let soc = fdt.find_node("/soc");
println!("Does it have a `/soc` node? {}", if soc.is_some() { "yes" } else { "no" });
if let Some(soc) = soc {
println!("...and it has the following children:");
for child in soc.children() {
println!(" {}", child.name);
}
}
}