message: Using O3 instead of Os since Os was causing stalls
diff: @@ -43,7 +43,7 @@ ifeq ($(TARGET), apollo3evb)
  -fpermissive \
  -nostdlib \
  -g \
  - -Os
  + -O3
  CXXFLAGS += $(PLATFORM_FLAGS)
  CCFLAGS += $(PLATFORM_FLAGS)
  LDFLAGS += \
  