KBUILD_CFLAGS += $(call cc-option,-ffunction-sections,) $(call cc-option,-fdata-sections,) arch-$(CONFIG_CPU_CORTEX_M3) += $(call cc-option,-mthumb -mcpu=cortex-m3) \ $(call cc-option,-mthumb -march=armv7-m) arch-$(CONFIG_CPU_CORTEX_M4) += $(call cc-option,-mthumb -mcpu=cortex-m4) \ $(call cc-option,-mthumb -march=armv7e-m) cflags-$(CONFIG_LTO) = $(call cc-option,-flto,) KBUILD_CFLAGS += $(cflags-y) $(arch-y) KBUILD_CXXFLAGS += $(cflags-y) $(arch-y) KBUILD_AFLAGS += $(arch-y) QEMU_CPU_TYPE_arm = cortex-m3 QEMU_FLAGS_arm = -cpu $(QEMU_CPU_TYPE_arm) \ -machine lm3s6965evb -nographic QEMU_arm = qemu-system-arm export QEMU_FLAGS_arm QEMU_arm