atomic_and_64
extern void atomic_and_64(volatile uint64_t *, uint64_t);
atomic_and_64(&plat_dr_options, ~features);
__ATOMIC_OP64(atomic_and_64, uint64_t, uint64_t, "and" SUF_64, "r")
atomic_and_64(&acpica_core_features, ~features);
atomic_and_64(&acpica_devcfg_features, ~features);