#![no_std]
#![no_main]

use core::arch::global_asm;

#[panic_handler]
fn panic(_panic_info: &core::panic::PanicInfo) -> ! {
    loop {}
}

#[unsafe(no_mangle)]
pub extern "C" fn entry() {
    let test = "Hello from user mode";
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a0") 999,
            in("a1") test.as_ptr(),
            in("a2") test.len(),
            clobber_abi("system")
        );
    }
    loop {}
}