jonaskruckenberg.de
Next Generation WASM Microkernel Operating System
1// Copyright 2025 Jonas Kruckenberg
2//
3// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
4// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
5// http://opensource.org/licenses/MIT>, at your option. This file may not be
6// copied, modified, or distributed except according to those terms.
7
8use crate::arch;
9use abort::abort;
10
11#[panic_handler]
12fn panic(info: &core::panic::PanicInfo) -> ! {
13 // disable interrupts as soon as we enter the panic subsystem
14 // no need to bother with those now as we're about to shut down anyway
15 arch::interrupt::disable();
16
17 let loc = info.location().unwrap(); // The current implementation always returns Some
18 let msg = info.message();
19
20 log::error!("cpu panicked at {loc}:\n{msg}");
21
22 rust_panic()
23}
24
25/// Mirroring std, this is an unmangled function on which to slap
26/// yer breakpoints for backtracing panics.
27#[inline(never)]
28#[unsafe(no_mangle)]
29fn rust_panic() -> ! {
30 abort()
31}