1 // Copyright 2022, The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 //! Functions for shutting down the VM.
16
17 use smccc::{
18 psci::{system_off, system_reset},
19 Hvc,
20 };
21
22 /// Makes a `PSCI_SYSTEM_OFF` call to shutdown the VM.
23 ///
24 /// Panics if it returns an error.
shutdown() -> !25 pub fn shutdown() -> ! {
26 system_off::<Hvc>().unwrap();
27 #[allow(clippy::empty_loop)]
28 loop {}
29 }
30
31 /// Makes a `PSCI_SYSTEM_RESET` call to shutdown the VM abnormally.
32 ///
33 /// Panics if it returns an error.
reboot() -> !34 pub fn reboot() -> ! {
35 system_reset::<Hvc>().unwrap();
36 #[allow(clippy::empty_loop)]
37 loop {}
38 }
39