LEVEL
#define LEVEL(x) P(LVLNUM, x)
#define LEVEL(event) (((event) - HW_EVENT_IRQ_BASE) / 32)
#define LEVEL(x) P(LVLNUM, x)
#define LEVEL(t,b,v) \
#undef LEVEL
#define LEVEL(t,b,v) do { \
#undef LEVEL
# define LEVEL(x) ((x) << 1)
#define LEVEL(x) P(LVLNUM, x)