KBUILD_CFLAGS += $(call cc-option,-ffunction-sections,) $(call cc-option,-fdata-sections,) include $(srctree)/arch/$(ARCH)/soc/$(SOC_PATH)/Makefile cflags-$(CONFIG_LTO) += $(call cc-option,-flto,) cflags-cortex-m0 = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m0) \ $(call cc-option,-mthumb -march=armv6-m) cflags-cortex-m0+ = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m0plus) \ $(call cc-option,-mthumb -march=armv6-m) cflags-cortex-m1 = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m1) \ $(call cc-option,-mthumb -march=armv6-m) cflags-cortex-m3 = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m3) \ $(call cc-option,-mthumb -march=armv7-m) cflags-cortex-m4 = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m4) \ $(call cc-option,-mthumb -march=armv7e-m) cflags-cortex-m7 = $(call cc-option,-mabi=aapcs -mthumb -mcpu=cortex-m7) ifeq ($(CONFIG_FLOAT), y) ifeq ($(CONFIG_FP_SOFTABI), y) cflags-cortex-m4 += $(call cc-option,-mfloat-abi=softfp -mfpu=fpv4-sp-d16) cflags-cortex-m7 += $(call cc-option,-mfloat-abi=softfp -mfpu=fpv5-d16) endif ifeq ($(CONFIG_FP_HARDABI), y) cflags-cortex-m4 += $(call cc-option,-mfloat-abi=hard -mfpu=fpv4-sp-d16) cflags-cortex-m7 += $(call cc-option,-mfloat-abi=hard -mfpu=fpv5-d16) endif endif aflags-$(CONFIG_CPU_CORTEX_M0) += $(cflags-cortex-m0) cflags-$(CONFIG_CPU_CORTEX_M0) += $(cflags-cortex-m0) cxxflags-$(CONFIG_CPU_CORTEX_M0) += $(cflags-cortex-m0) aflags-$(CONFIG_CPU_CORTEX_M0PLUS) += $(cflags-cortex-m0+) cflags-$(CONFIG_CPU_CORTEX_M0PLUS) += $(cflags-cortex-m0+) cxxflags-$(CONFIG_CPU_CORTEX_M0PLUS) += $(cflags-cortex-m0+) aflags-$(CONFIG_CPU_CORTEX_M3) += $(cflags-cortex-m3) cflags-$(CONFIG_CPU_CORTEX_M3) += $(cflags-cortex-m3) cxxflags-$(CONFIG_CPU_CORTEX_M3) += $(cflags-cortex-m3) aflags-$(CONFIG_CPU_CORTEX_M4) += $(cflags-cortex-m4) cflags-$(CONFIG_CPU_CORTEX_M4) += $(cflags-cortex-m4) cxxflags-$(CONFIG_CPU_CORTEX_M4) += $(cflags-cortex-m4) aflags-$(CONFIG_CPU_CORTEX_M7) += $(cflags-cortex-m7) cflags-$(CONFIG_CPU_CORTEX_M7) += $(cflags-cortex-m7) cxxflags-$(CONFIG_CPU_CORTEX_M7) += $(cflags-cortex-m7) KBUILD_AFLAGS += $(aflags-y) KBUILD_CFLAGS += $(cflags-y) KBUILD_CXXFLAGS += $(cflags-y) soc-cxxflags ?= $(soc-cflags) soc-aflags ?= $(soc-cflags) KBUILD_CFLAGS += $(soc-cflags) KBUILD_CXXFLAGS += $(soc-cxxflags) KBUILD_AFLAGS += $(soc-aflags)