makefile_bootloader.mk

include makefile_common.mk

.DEFAULT_GOAL := all

unprotected ?= false

# Get the right bootloader binary

BOOTLOADER_SRC :=  $(BUILDPREFIX_BOOTLOADER)bootloader.a

# Bootloader build variables
BL_BUILDPREFIX := $(BUILDPREFIX_BOOTLOADER)

# Linker for the bootloader
LDSCRIPT := mcu/$(MCU)/linker/gcc_bl_$(MCU)$(MCU_SUB)$(MCU_MEM_VAR).ld

BOOTLOADER_ELF := $(BL_BUILDPREFIX)bootloader.elf

# Include bootloader makefile
-include bootloader/makefile

OBJS_ = $(SRCS:.c=.o)
OBJS = $(addprefix $(BL_BUILDPREFIX), $(OBJS_))

# Files to be cleaned
CLEAN := $(OBJS) $(BOOTLOADER_ELF) $(BOOTLOADER_HEX)

$(BOOTLOADER_SRC): FORCE
	# Get the right firmware from the image folder
	$(MKDIR) $(@D)
	@$(FMW_SEL)	--firmware_path=$(IMAGE_PATH)\
				--firmware_type="wp_bootloader"\
				--version=3\
				--output_path=$(@D)\
				--output_name="bootloader"\
				--unlocked=$(unprotected)\
				--mcu=$(MCU)\
				--mcu_sub=$(MCU_SUB)$(MCU_MEM_VAR)

$(BL_BUILDPREFIX)%.o : %.c
	$(MKDIR) $(@D)
	$(CC) $(INCLUDES) $(CFLAGS) -c $< -o $@

$(BOOTLOADER_ELF): $(OBJS) $(BOOTLOADER_SRC)
	$(MKDIR) $(@D)
	@	# Linking with the provided lib $(BOOTLOADER_SRC)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(BOOTLOADER_SRC)\
	      -Wl,-Map=$(BL_BUILDPREFIX)bootloader.map \
	      -Wl,-T,$(LDSCRIPT) $(LIBS)

$(BOOTLOADER_HEX): $(BOOTLOADER_ELF)
	$(MKDIR) $(@D)
	$(OBJCOPY) $(BOOTLOADER_ELF) -O ihex $@

.PHONY: all
all: $(BOOTLOADER_HEX)

clean:
	$(RM) -rf $(CLEAN)

# Special ruel to force other rule to run every time
FORCE: