static int bsp_do_flight_plan(struct udevice *cpu, struct mp_params *mp_params)
{
int i;
int ret = 0;
const int timeout_us = 100000;
const int step_us = 100;
int num_aps = num_cpus - 1;
for (i = 0; i < mp_params->num_records; i++) {
struct mp_flight_record *rec = &mp_params->flight_plan[i];
/* Wait for APs if the record is not released */
if (atomic_read(&rec->barrier) == 0) {
/* Wait for the APs to check in */
if (wait_for_aps(&rec->cpus_entered, num_aps,
timeout_us, step_us)) {
debug("MP record %d timeout.\n", i);
ret = -1;
}
}
if (rec->bsp_call != NULL)
rec->bsp_call(cpu, rec->bsp_arg);
release_barrier(&rec->barrier);
}
return ret;
}
int main (int argc, char **argv) {
int key, bd, ret;
if (argc < 2) {
printf("Usage: releaser <barrier_key> \n");
return -1;
}
key = atoi(argv[1]);
bd = get_barrier(key, 0);
if (bd == -1) {
printf("Error: the barrier doesn't exist \n");
return -1;
}
ret = release_barrier(bd);
if (ret == -1) {
printf("Error: impossible to release the barrier\n");
return -1;
}
printf("Barrier correctly released \n");
return 0;
}
