basic_info/
basic_info.rs

1extern crate flat_device_tree as fdt;
2
3static MY_FDT: &[u8] = include_bytes!("../dtb/test.dtb");
4
5fn main() {
6    let fdt = fdt::Fdt::new(MY_FDT).unwrap();
7
8    println!("This is a devicetree representation of a {}", fdt.root().unwrap().model());
9    println!(
10        "...which is compatible with at least: {}",
11        fdt.root().unwrap().compatible().first().unwrap()
12    );
13    println!("...and has {} CPU(s)", fdt.cpus().count());
14    println!(
15        "...and has at least one memory location at: {:#X}\n",
16        fdt.memory().unwrap().regions().next().unwrap().starting_address as usize
17    );
18
19    let chosen = fdt.chosen().unwrap();
20    if let Some(bootargs) = chosen.bootargs() {
21        println!("The bootargs are: {:?}", bootargs);
22    }
23
24    if let Some(stdout) = chosen.stdout() {
25        println!(
26            "It would write stdout to: {} with params: {:?}",
27            stdout.node().name,
28            stdout.params()
29        );
30    }
31
32    let soc = fdt.find_node("/soc");
33    println!("Does it have a `/soc` node? {}", if soc.is_some() { "yes" } else { "no" });
34    if let Some(soc) = soc {
35        println!("...and it has the following children:");
36        for child in soc.children() {
37            println!("    {}", child.name);
38        }
39    }
40}
basic_info/basic_info.rs

basic_info/
basic_info.rs
