ember_os 0.1.3

A simple OS kernel implemented in rust, which has referenced https://os.phil-opp.com/
Documentation 
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#![no_std]
#![no_main]
#![feature(custom_test_frameworks)]
#![test_runner(ember_os::test_runner)]
#![reexport_test_harness_main = "test_main"]

extern crate alloc;

use bootloader::{entry_point, BootInfo};
use core::panic::PanicInfo;
use ember_os::{demo, eprintln, println, task};

entry_point!(main);

/// Entry / Main
#[no_mangle]
fn main(boot_info: &'static BootInfo) -> ! {
  #[cfg(test)]
  {
    ember_os::minimum_init(boot_info);
    test_main();
  }

  println!(" -*-*-*- My ROS -*-*-*- \n");
  ember_os::minimum_init(boot_info);

  println!(" ------- Synchronous Demos ------- \n");
  demo::run_synchronous_demos(boot_info);

  println!(" ------- Asynchronous Demos ------- \n");
  task::init_demos_only().run_until_all_task_finished();

  println!(" >>>>>>> Shell <<<<<<< \n");
  task::init_hardwares_only().run();
}

/// This function is called on panic.
#[cfg(not(test))]
#[panic_handler]
pub(crate) fn panic(info: &PanicInfo) -> ! {
  eprintln!("{}", info);
  ember_os::hlt_loop()
}

#[cfg(test)]
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
  ember_os::test_panic_handler(info)
}

#[test_case]
fn test_framework_check() {
  eprintln!("Make sure the user defined test framework works!");
}