FEATURES_REQUIRED_ANY += picolibc|newlib
ifneq (,$(filter newlib,$(USEMODULE)))
  USEMODULE += newlib_nano
  USEMODULE += newlib_syscalls_default
endif

USEMODULE += sifive_drivers_fe310

USEMODULE += periph
USEMODULE += periph_pm

FEATURES_REQUIRED += periph_plic

ifneq (,$(filter periph_rtc,$(USEMODULE)))
  FEATURES_REQUIRED += periph_rtt
endif

# Make calls to malloc and friends thread-safe
USEMODULE += malloc_thread_safe