mirror of https://github.com/vinc/moros.git
128 lines
2.8 KiB
Rust
128 lines
2.8 KiB
Rust
#![no_std]
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#![cfg_attr(test, no_main)]
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#![feature(abi_x86_interrupt)]
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#![feature(alloc_error_handler)]
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#![feature(naked_functions)]
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#![feature(custom_test_frameworks)]
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#![test_runner(crate::test_runner)]
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#![reexport_test_harness_main = "test_main"]
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extern crate alloc;
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#[macro_use]
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pub mod api;
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#[macro_use]
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pub mod sys;
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pub mod usr;
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use bootloader::BootInfo;
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const KERNEL_SIZE: usize = 2 << 20; // 2 MB
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pub fn init(boot_info: &'static BootInfo) {
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sys::vga::init();
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sys::gdt::init();
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sys::idt::init();
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sys::pic::init(); // Enable interrupts
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sys::serial::init();
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sys::keyboard::init();
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sys::time::init();
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log!("MOROS v{}\n", env!("CARGO_PKG_VERSION"));
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sys::mem::init(boot_info);
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sys::cpu::init();
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sys::pci::init(); // Require MEM
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sys::net::init(); // Require PCI
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sys::ata::init();
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sys::fs::init(); // Require ATA
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sys::clock::init(); // Require MEM
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}
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#[alloc_error_handler]
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fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
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let csi_color = api::console::Style::color("LightRed");
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let csi_reset = api::console::Style::reset();
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printk!("{}Error:{} Could not allocate {} bytes\n", csi_color, csi_reset, layout.size());
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hlt_loop();
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}
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pub trait Testable {
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fn run(&self);
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}
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impl<T> Testable for T where T: Fn() {
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fn run(&self) {
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print!("test {} ... ", core::any::type_name::<T>());
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self();
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let csi_color = api::console::Style::color("LightGreen");
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let csi_reset = api::console::Style::reset();
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println!("{}ok{}", csi_color, csi_reset);
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}
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}
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pub fn test_runner(tests: &[&dyn Testable]) {
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let n = tests.len();
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println!("\nrunning {} test{}", n, if n == 1 { "" } else { "s" });
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for test in tests {
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test.run();
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}
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exit_qemu(QemuExitCode::Success);
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(u32)]
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pub enum QemuExitCode {
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Success = 0x10,
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Failed = 0x11,
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}
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pub fn exit_qemu(exit_code: QemuExitCode) {
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use x86_64::instructions::port::Port;
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unsafe {
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let mut port = Port::new(0xf4);
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port.write(exit_code as u32);
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}
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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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#[cfg(test)]
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use bootloader::entry_point;
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#[cfg(test)]
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use core::panic::PanicInfo;
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#[cfg(test)]
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entry_point!(test_kernel_main);
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#[cfg(test)]
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fn test_kernel_main(boot_info: &'static BootInfo) -> ! {
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init(boot_info);
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test_main();
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hlt_loop();
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}
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#[cfg(test)]
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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let csi_color = api::console::Style::color("LightRed");
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let csi_reset = api::console::Style::reset();
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println!("{}failed{}\n", csi_color, csi_reset);
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println!("{}\n", info);
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exit_qemu(QemuExitCode::Failed);
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hlt_loop();
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}
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#[test_case]
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fn trivial_assertion() {
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assert_eq!(1, 1);
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}
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