Function cpu_idle

freebsd/mips/mips/machdep.c:542–559

* call platform specific code to halt (until next interrupt) for the idle loop */

 * call platform specific code to halt (until next interrupt) for the idle loop
 */
void
cpu_idle(int busy)
{
	KASSERT((mips_rd_status() & MIPS_SR_INT_IE) != 0,
		("interrupts disabled in idle process."));
	KASSERT((mips_rd_status() & MIPS_INT_MASK) != 0,
		("all interrupts masked in idle process."));

	if (!busy) {
		critical_enter();
		cpu_idleclock();
	}
	mips_wait();
	if (!busy) {
		cpu_activeclock();
		critical_exit();
	}
}

int
cpu_idle_wakeup(int cpu)