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// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2018-2019 Andre Richter <andre.o.richter@gmail.com>
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// Rust embedded logo for `make doc`.
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#![doc(html_logo_url = "https://git.io/JeGIp")]
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//! The `kernel`
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//!
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//! The `kernel` is composed by glueing together code from
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//!
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//! - [Hardware-specific Board Support Packages] (`BSPs`).
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//! - [Architecture-specific code].
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//! - HW- and architecture-agnostic `kernel` code.
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//!
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//! using the [`kernel::interface`] traits.
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//!
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//! [Hardware-specific Board Support Packages]: bsp/index.html
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//! [Architecture-specific code]: arch/index.html
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//! [`kernel::interface`]: interface/index.html
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#![feature(format_args_nl)]
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#![feature(panic_info_message)]
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#![feature(trait_alias)]
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#![no_main]
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#![no_std]
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// Conditionally includes the selected `architecture` code, which provides the `_start()` function,
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// the first function to run.
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mod arch;
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// `_start()` then calls `runtime_init::init()`, which on completion, jumps to `kernel_init()`.
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mod runtime_init;
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// Conditionally includes the selected `BSP` code.
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mod bsp;
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mod interface;
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mod panic_wait;
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mod print;
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/// Early init code.
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///
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/// # Safety
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///
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/// - Only a single core must be active and running this function.
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unsafe fn kernel_init() -> ! {
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use interface::console::Statistics;
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println!("[0] Hello from pure Rust!");
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println!("[1] Chars written: {}", bsp::console().chars_written());
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println!("[2] Stopping here.");
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arch::wait_forever()
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}
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