54 lines
1.3 KiB
Rust
54 lines
1.3 KiB
Rust
#![no_std]
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#![no_main]
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#![feature(asm)]
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#![feature(const_fn)]
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#![feature(lang_items)]
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#![feature(ptr_internals)] // until we mark with PhantomData instead?
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#![feature(core_intrinsics)]
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#![doc(html_root_url = "https://docs.metta.systems/")]
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#![allow(dead_code)]
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#![allow(unused_assignments)]
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#[cfg(not(any(target_arch = "aarch64", target_arch = "x86_64")))]
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use architecture_not_supported_sorry;
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// use core::intrinsics::abort;
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#[macro_use]
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extern crate bitflags;
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#[macro_use]
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extern crate register;
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extern crate cortex_a;
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extern crate rlibc;
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use core::panic::PanicInfo;
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#[macro_use]
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pub mod arch;
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pub use arch::*;
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pub mod platform;
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use platform::{display::Size2d, uart::MiniUart};
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// User-facing kernel parts - syscalls and capability invocations.
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// pub mod vesper; -- no mod exported, because available through syscall interface
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// Actual interfaces to call these syscalls are in vesper-user (similar to libsel4)
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// pub mod vesper; -- exported from vesper-user
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#[panic_handler]
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fn panic(_info: &PanicInfo) -> ! {
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// @todo rect() + drawtext("PANIC")?
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endless_sleep()
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}
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// Kernel entry point
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// arch crate is responsible for calling this
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pub fn kmain() -> ! {
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let uart = MiniUart::new();
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uart.init();
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uart.puts("Hey there, mini uart talking!");
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uart.puts("Bye, going to sleep now");
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endless_sleep()
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}
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