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//! # Kernel Code
//!
//! ## Initializes the peripherals
//! - UART
//! - Allocators
#![doc(html_logo_url = "https://raw.githubusercontent.com/rust-embedded/wg/master/assets/logo/ewg-logo-blue-white-on-transparent.png")]
#![allow(non_snake_case)]
#![allow(clippy::upper_case_acronyms,dead_code)]
#![feature(format_args_nl)]
#![feature(panic_info_message)]
#![feature(trait_alias)]
#![feature(exclusive_range_pattern)]
#![feature(default_alloc_error_handler)]
#![no_main]
#![no_std]
extern crate alloc;
use alloc::boxed::Box;
mod mem;
mod console;
mod cpu;
mod panic_wait;
mod print;
mod sync;
mod uart;
use crate::console::console;
use crate::mem::alloc::*;
//use crate::sync::interface::Mutex;
/// # Initialization Code
///
/// Initializes
/// - Allocators
/// - UART
///
/// After initialization, jump to
/// the regular main.
unsafe fn kernel_init() -> ! {
console().init().unwrap();
U64_QUEUE_ALLOCATOR.init();
ALLOCATOR.init();
//ALLOCATOR.lock(|qa| {
// qa.init();
//});
kernel_main()
}
/// # Post-initialization
///
/// TODO: Figure out what to do here
fn kernel_main() -> ! {
for idx in 0..5 {
if let Some(cell) = U64_QUEUE_ALLOCATOR.alloc() {
let inner = cell.inner();
*inner = idx;
println!("SUCCESS: Allocated a char! {:?} {:?}", cell, U64_QUEUE_ALLOCATOR);
U64_QUEUE_ALLOCATOR.free(cell);
} else {
println!("ERROR: No more chars remaining! {:?}", U64_QUEUE_ALLOCATOR);
}
}
println!("I should be able to print {} here!", 5);
{
let a: Box<u8> = Box::new(5);
println!("{:?}", a);
let b: Box<u8> = Box::new(7);
println!("{:?}", b);
}
{
let a: Box<u8> = Box::new(8);
println!("{:?}", a);
let b: Box<u16> = Box::new(9);
println!("{:?}", b);
}
loop { }
}
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