// #![feature(stdsimd)]
#![no_main]
#![no_std]
extern crate cortex_m;
extern crate cortex_m_rt as rt;
extern crate cortex_m_semihosting as semihosting;
extern crate panic_halt;
use cortex_m::asm;
use rt::entry;
#[entry]
fn main() -> ! {
use core::fmt::Write;
let x = 42;
loop {
asm::nop();
// write something through semihosting interface
let mut hstdout = semihosting::hio::hstdout().unwrap();
write!(hstdout, "x = {}\n", x).unwrap();
// exit from qemu
semihosting::debug::exit(semihosting::debug::EXIT_SUCCESS);
}
}