59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
#![no_std]
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#![no_main]
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#![feature(abi_x86_interrupt)]
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#![feature(alloc_error_handler)]
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mod drivers;
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mod interrupts;
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mod memory;
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mod task;
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//#[macro_use]
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extern crate alloc;
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extern crate multiboot2;
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use core::panic::PanicInfo;
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use drivers::vga::{self, Color, ColorCode};
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use multiboot2::BootInformation;
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use task::{executor::Executor, keyboard, Task};
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#[alloc_error_handler]
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fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
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panic!("Allocation error: {:?}", layout)
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}
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#[panic_handler]
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fn panic_handler(info: &PanicInfo) -> ! {
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vga::change_color(ColorCode::new(Color::LightRed, Color::Black));
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println!("{}", info);
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hlt_loop();
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}
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pub fn hlt_loop() -> ! {
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loop {
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x86_64::instructions::hlt();
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}
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}
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pub fn init(boot_info: &BootInformation) {
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vga::change_color(ColorCode::new(Color::LightCyan, Color::Black));
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println!("Starting init");
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memory::init(boot_info);
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memory::gdt::init_gdt();
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interrupts::init_idt();
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vga::change_color(ColorCode::new(Color::LightGreen, Color::Black));
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}
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#[no_mangle]
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pub extern "C" fn julios_main(multiboot_info_addr: usize) -> ! {
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let boot_info = unsafe { multiboot2::load(multiboot_info_addr) };
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init(&boot_info);
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println!("***JuliOS V0.1.0***");
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serial_println!("Hello serial");
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let mut executor = Executor::new();
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executor.spawn(Task::new(keyboard::print_keypresses()));
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executor.run();
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}
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