Tag: TrustZone

• Prepare the environment: Install the source package and xargo.

rustup add component rust-src
cargo install xargo

• Specify the OpenWRT gcc environment: Copy the toolchain to the designated directory, or leave it in the source directory, and edit the specified toolchain's bin directory in the bash script ~/.bashrc for xargo to use.
• Edit build.rs to specify the lib libraries needed during linking, as follows:

use std::env;

fn main() {
    let staging_dir = env::var("STAGING_DIR").unwrap();
    println!(