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nac3/runkernel/src/main.rs

50 lines
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Rust
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use std::env;
use libloading;
static mut NOW: i64 = 0;
#[no_mangle]
pub extern "C" fn now_mu() -> i64 {
unsafe { NOW }
}
#[no_mangle]
pub extern "C" fn at_mu(t: i64) {
unsafe { NOW = t }
}
#[no_mangle]
pub extern "C" fn delay_mu(dt: i64) {
unsafe { NOW += dt }
}
#[no_mangle]
pub extern "C" fn rtio_init() {
println!("rtio_init");
}
#[no_mangle]
pub extern "C" fn rtio_get_counter() -> i64 {
0
}
#[no_mangle]
pub extern "C" fn rtio_output(target: i32, data: i32) {
println!("rtio_output @{} target={:04x} data={}", unsafe { NOW }, target, data);
}
#[no_mangle]
pub extern "C" fn print_int(x: i32) {
println!("print_int: {}", x);
}
fn main() {
let filename = env::args().nth(1).unwrap();
unsafe {
let lib = libloading::Library::new(filename).unwrap();
let func: libloading::Symbol<unsafe extern fn()> = lib.get(b"__modinit__").unwrap();
func()
}
}