#![no_std]
#![no_main]
#![feature(custom_test_frameworks)]
#![test_runner(rustos::test_runner)]
#![reexport_test_harness_main = "test_main"]
extern crate alloc;
extern crate bootloader;
extern crate rustos;
extern crate x86_64;
use alloc::{boxed::Box, rc::Rc, vec, vec::Vec};
use bootloader::{entry_point, BootInfo};
use core::panic::PanicInfo;
use rustos::println;
entry_point!(start_kernel);
fn start_kernel(boot_info: &'static BootInfo) -> ! {
println!("Welcome to the real world!");
rustos::init();
rustos::memory::init(boot_info);
let x = Box::new(41);
println!("x={:p}", x);
let mut vec = Vec::new();
for i in 0..500 {
vec.push(i);
}
println!("vec at {:p}", vec.as_slice());
let reference = Rc::new(vec![1, 2, 3]);
let cloned = Rc::clone(&reference);
println!("current reference count is {}", Rc::strong_count(&cloned));
core::mem::drop(reference);
println!("reference count is {} now", Rc::strong_count(&cloned));
#[cfg(test)]
test_main();
println!("It did not crash!!!");
rustos::hlt_loop();
}
#[cfg(not(test))]
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
println!("{}", info);
rustos::hlt_loop();
}
#[cfg(test)]
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
rustos::test_panic_handler(info)
}