21 lines
394 B
Rust
21 lines
394 B
Rust
|
//! Prints "Hello, world!" on the host console using semihosting
|
||
|
|
|
||
|
|
#![no_main]
|
||
|
|
#![no_std]
|
||
|
|
|
||
|
|
extern crate panic_halt;
|
||
|
|
|
||
|
|
use cortex_m_rt::entry;
|
||
|
|
use cortex_m_semihosting::{debug, hprintln};
|
||
|
|
|
||
|
|
#[entry]
|
||
|
|
fn main() -> ! {
|
||
|
|
hprintln!("Hello, world!").unwrap();
|
||
|
|
|
||
|
|
// exit QEMU
|
||
|
|
// NOTE do not run this on hardware; it can corrupt OpenOCD state
|
||
|
|
debug::exit(debug::EXIT_SUCCESS);
|
||
|
|
|
||
|
|
loop {}
|
||
|
|
}
|