extern crate flat_device_tree as fdt;
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().unwrap().model());
println!(
"...which is compatible with at least: {}",
fdt.root().unwrap().compatible().first().unwrap()
);
println!("...and has {} CPU(s)", fdt.cpus().count());
println!(
"...and has at least one memory location at: {:#X}\n",
fdt.memory().unwrap().regions().next().unwrap().starting_address as usize
);
let chosen = fdt.chosen().unwrap();
if let Some(bootargs) = chosen.bootargs() {
println!("The bootargs are: {:?}", bootargs);
}
if let Some(stdout) = chosen.stdout() {
println!(
"It would write stdout to: {} with params: {:?}",
stdout.node().name,
stdout.params()
);
}
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);
}
}
}