34 lines
832 B
Rust
34 lines
832 B
Rust
#![no_std]
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#![no_main]
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#![feature(custom_test_frameworks)]
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#![test_runner(rustos::test_runner)]
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#![reexport_test_harness_main = "test_main"]
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use core::panic::PanicInfo;
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use rustos::println;
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// fn _start ::: called on start
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#[unsafe(no_mangle)] // SAFETY: make sure no other global fn _start exists
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pub extern "C" fn _start() -> ! {
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println!("Hello World{}", "!");
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rustos::init(); // initializes kernel
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#[cfg(test)]
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test_main();
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println!("Hey, it didn't crash!");
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rustos::hlt_loop();
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}
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// fn panic ::: prints panic message
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// info: &PanicInfo :param: passed by panic_handler, includes panic information
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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#[cfg(test)]
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rustos::test_panic_handler(info);
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#[cfg(not(test))]
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{
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println!("{}", info);
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rustos::hlt_loop();
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};
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}
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