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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;
mod console;
mod cpu;
mod draw;
mod mem;
mod panic_wait;
mod print;
mod sync;
mod uart;
use crate::console::console;
use crate::mem::alloc::alloc;
/// # Initialization Code
///
/// Initializes
/// - Allocators
/// - UART
///
/// After initialization, jump to
/// the regular main.
unsafe fn kernel_init() -> ! {
console().init().unwrap();
alloc().init().unwrap();
kernel_main()
}
/// # Post-initialization
///
/// TODO: Figure out what to do here
fn kernel_main() -> ! {
#[cfg(not(feature="verbose"))]
{
draw::draw_ukraine_flag();
println!();
draw::draw_american_flag();
println!();
println!("\x1b[91mInitialized\x1b[0m \x1b[92m{}\x1b[0m \x1b[93mv{}\x1b[0m", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
println!("\x1b[94mAuthors:\x1b[0m \x1b[95m{}\x1b[0m", env!("CARGO_PKG_AUTHORS"));
use crate::console::interface::Statistics;
println!("Characters written to UART: \x1b[91m{}\x1b[0m", console().chars_written());
}
#[cfg(feature="verbose")]
{
use alloc::boxed::Box;
{
let a: Box<u8> = Box::new(1);
println!("Box: {}", a);
}
{
let a: Box<u8> = Box::new(2);
let b: Box<u8> = Box::new(3);
let c: Box<u8> = Box::new(4);
println!("Boxes: {}, {}, {}", a, b, c);
}
{
let a: Box<u8> = Box::new(5);
let b: Box<u8> = Box::new(6);
let c: Box<u8> = Box::new(7);
println!("Boxes: {}, {}, {}", a, b, c);
}
println!("U8: {:?}", mem::alloc::U8_GRAND_ALLOC);
use alloc::string::String;
{
let mut s = String::new();
for _ in 0..128 {
s += "TEST";
}
println!("String: Length {}", s.capacity());
}
use crate::console::interface::Statistics;
println!("Characters written to UART: \x1b[91m{}\x1b[0m", console().chars_written());
}
loop { }
}
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