libs/libvmbase/src/power.rs

// Copyright 2022, The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Functions for shutting down the VM.

use smccc::{
    psci::{system_off, system_reset},
    Hvc,
};

/// Makes a `PSCI_SYSTEM_OFF` call to shutdown the VM.
///
/// Panics if it returns an error.
pub fn shutdown() -> ! {
    system_off::<Hvc>().unwrap();
    #[allow(clippy::empty_loop)]
    loop {}
}

/// Makes a `PSCI_SYSTEM_RESET` call to shutdown the VM abnormally.
///
/// Panics if it returns an error.
pub fn reboot() -> ! {
    system_reset::<Hvc>().unwrap();
    #[allow(clippy::empty_loop)]
    loop {}
}