TIMERS_PER_GROUP
for (i = 0; i < TIMERS_PER_GROUP; i++) {
num = TIMERS_PER_GROUP - 1 - i;
const u32 all_timer[] = { 0, TIMERS_PER_GROUP };
#define TIMER_OFFSET(num) (1 << (TIMERS_PER_GROUP - 1 - num))
struct mpic_timer timer[TIMERS_PER_GROUP];