unleashed-firmware/bootloader/targets/f2/target.mk

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BOOT_ADDRESS = 0x08000000
OS_OFFSET = 0x00008000
BOOT_CFLAGS = -DBOOT_ADDRESS=$(BOOT_ADDRESS) -DOS_OFFSET=$(OS_OFFSET)
MCU_FLAGS = -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard
CFLAGS += $(MCU_FLAGS) $(BOOT_CFLAGS) -DSTM32L4R7xx -Wall -fdata-sections -ffunction-sections
LDFLAGS += $(MCU_FLAGS) -specs=nosys.specs -specs=nano.specs
CUBE_DIR = ../target_f2
CUBE_CMSIS_DIR = $(CUBE_DIR)/Drivers/CMSIS
CUBE_HAL_DIR = $(CUBE_DIR)/Drivers/STM32L4xx_HAL_Driver
ASM_SOURCES += $(CUBE_CMSIS_DIR)/Device/ST/STM32L4xx/Source/Templates/gcc/startup_stm32l476xx.s
C_SOURCES += $(CUBE_CMSIS_DIR)/Device/ST/STM32L4xx/Source/Templates/system_stm32l4xx.c
C_SOURCES += $(CUBE_HAL_DIR)/Src/stm32l4xx_ll_utils.c
CFLAGS += -I$(CUBE_CMSIS_DIR)/Include
CFLAGS += -I$(CUBE_CMSIS_DIR)/Device/ST/STM32L4xx/Include
CFLAGS += -I$(CUBE_HAL_DIR)/Inc
LDFLAGS += -Ttargets/f2/STM32L476RGTx_FLASH.ld