sparrow-kata-full/apps/rust/panic/panic.rs
Sam Leffler fae20dcd68 apps/rust: add panic test app to test panic!
Change-Id: I4615cdc48996c2d8739a00a4c585d09faf03b63b
GitOrigin-RevId: 9a0041d37df0d9526e29171f4c17d339579a44ef
2022-10-06 19:04:16 +00:00

38 lines
1.0 KiB
Rust

/*
* Copyright 2021, Google LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
#![no_std]
#![no_main]
// This file is a minimal test application to check panic's WAI.
extern crate libkata;
use kata_os_common::logger::KataLogger;
use kata_os_common::sel4_sys;
// Message output is sent through the kata-os-logger which calls logger_log
// to deliver data to the console. We use seL4_DebugPutChar to write to the
// console which only works if DEBUG_PRINTING is enabled in the kernel.
#[no_mangle]
#[allow(unused_variables)]
pub fn logger_log(_level: u8, msg: *const cstr_core::c_char) {
#[cfg(feature = "CONFIG_PRINTING")]
unsafe {
for c in cstr_core::CStr::from_ptr(msg).to_bytes() {
let _ = sel4_sys::seL4_DebugPutChar(*c);
}
let _ = sel4_sys::seL4_DebugPutChar(b'\n');
}
}
#[no_mangle]
pub fn main() {
static KATA_LOGGER: KataLogger = KataLogger;
log::set_logger(&KATA_LOGGER).unwrap();
log::set_max_level(log::LevelFilter::Trace);
panic!("Goodbye, cruel world");
}