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@ -73,8 +73,10 @@ extern "C" fn start() -> ! {
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unsafe { uart::init_console(0x1000_0000) };
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println!("Hello, world!");
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// print current hartid
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println!("hartid: {}", riscv::register::mhartid::read());
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// poll console for input and print characters back
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loop {
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let c = uart::CONSOLE.lock().as_mut().and_then(uart::Device::get);
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if let Some(c) = c {
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@ -85,6 +87,7 @@ extern "C" fn start() -> ! {
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#[panic_handler]
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fn on_panic(info: &PanicInfo) -> ! {
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// print panic info and hang
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println!("{}", info);
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loop {}
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