Function bs_call_callbacks

src/lib/hardwaremain.c:264–308

#endif

static void bs_call_callbacks(struct boot_state *state,
			      boot_state_sequence_t seq)
{
	struct boot_phase *phase = &state->phases[seq];
	struct mono_time mt_start, mt_stop;

	while (1) {
		if (phase->callbacks != NULL) {
			struct boot_state_callback *bscb;

			/* Remove the first callback. */
			bscb = phase->callbacks;
			phase->callbacks = bscb->next;
			bscb->next = NULL;

			if (CONFIG(DEBUG_BOOT_STATE)) {
				printk(BIOS_DEBUG, "BS: callback (%p) @ %s.\n",
					bscb, bscb_location(bscb));
				timer_monotonic_get(&mt_start);
			}
			bscb->callback(bscb->arg);
			if (CONFIG(DEBUG_BOOT_STATE)) {
				timer_monotonic_get(&mt_stop);
				printk(BIOS_DEBUG, "BS: callback (%p) @ %s (%lld ms).\n", bscb,
				       bscb_location(bscb),
				       mono_time_diff_microseconds(&mt_start, &mt_stop)
					       / USECS_PER_MSEC);
			}

			bs_run_timers(0);

			continue;
		}

		/* All callbacks are complete and there are no blockers for
		 * this state. Therefore, this part of the state is complete. */
		if (!phase->blockers)
			break;

		/* Something is blocking this state from transitioning. As
		 * there are no more callbacks a pending timer needs to be
		 * ran to unblock the state. */
		bs_run_timers(0);
	}
}

/* Keep track of the current state. */
static struct state_tracker {