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include $(TOP)/$(BOARD_PATH)/board.mk
CFLAGS += \
-flto \
-mthumb \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-nostdlib -nostartfiles \
-D__STARTUP_CLEAR_BSS \
-D__START=main \
-DCFG_TUSB_MCU=OPT_MCU_EFM32GG
CPU_CORE ?= cortex-m4
# EFM32_FAMILY should be set by board.mk (e.g. efm32gg12b)
SILABS_CMSIS = hw/mcu/silabs/cmsis-dfp-$(EFM32_FAMILY)/Device/SiliconLabs/$(shell echo $(EFM32_FAMILY) | tr a-z A-Z)
LDFLAGS += -specs=nosys.specs -specs=nano.specs
# All source paths should be relative to the top level.
LD_FILE = $(SILABS_CMSIS)/Source/GCC/$(EFM32_FAMILY).ld
SRC_C += \
$(SILABS_CMSIS)/Source/system_$(EFM32_FAMILY).c \
src/portable/synopsys/dwc2/dcd_dwc2.c \
src/portable/synopsys/dwc2/hcd_dwc2.c \
src/portable/synopsys/dwc2/dwc2_common.c \
SRC_S += \
$(SILABS_CMSIS)/Source/GCC/startup_$(EFM32_FAMILY).S
INC += \
$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
$(TOP)/$(SILABS_CMSIS)/Include \
$(TOP)/$(BOARD_PATH)
# For freeRTOS port source
FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/ARM_CM4F
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