xref: /DragonOS/kernel/src/arch/x86_64/process/idle.rs (revision 2eab6dd743e94a86a685f1f3c01e599adf86610a)

use core::hint::spin_loop;

use log::error;

use crate::{
    arch::CurrentIrqArch,
    exception::InterruptArch,
    process::{ProcessFlags, ProcessManager},
    sched::{SchedMode, __schedule},
};

impl ProcessManager {
    /// 每个核的idle进程
    pub fn arch_idle_func() -> ! {
        loop {
            let pcb = ProcessManager::current_pcb();
            if pcb.flags().contains(ProcessFlags::NEED_SCHEDULE) {
                __schedule(SchedMode::SM_NONE);
            }
            if CurrentIrqArch::is_irq_enabled() {
                unsafe {
                    x86::halt();
                }
            } else {
                error!("Idle process should not be scheduled with IRQs disabled.");
                spin_loop();
            }
        }
    }
}