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 k23_abort::abort;
9
10use crate::arch;
11
12#[panic_handler]
13fn panic(info: &core::panic::PanicInfo) -> ! {
14 // disable interrupts as soon as we enter the panic subsystem
15 // no need to bother with those now as we're about to shut down anyway
16 arch::interrupt::disable();
17
18 let loc = info.location().unwrap(); // The current implementation always returns Some
19 let msg = info.message();
20
21 log::error!("cpu panicked at {loc}:\n{msg}");
22
23 rust_panic()
24}
25
26/// Mirroring std, this is an unmangled function on which to slap
27/// yer breakpoints for backtracing panics.
28#[inline(never)]
29#[unsafe(no_mangle)]
30fn rust_panic() -> ! {
31 abort()
32}