moros/src/bin/print.rs

31 lines
650 B
Rust

#![no_std]
#![no_main]
use moros::api::syscall;
use core::panic::PanicInfo;
#[panic_handler]
fn panic(_info: &PanicInfo) -> ! {
syscall::write(1, b"An exception occured!\n");
loop {}
}
#[no_mangle]
pub unsafe extern "sysv64" fn _start(args_ptr: u64, args_len: usize) {
let args = core::slice::from_raw_parts(args_ptr as *const _, args_len);
let code = main(args);
syscall::exit(code);
}
fn main(args: &[&str]) -> usize {
let n = args.len();
for i in 1..n {
syscall::write(1, args[i].as_bytes());
if i < n - 1 {
syscall::write(1, b" ");
}
}
syscall::write(1, b"\n");
0
}