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174 lines
3.6 KiB
174 lines
3.6 KiB
3 months ago
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# Generic Makefile fragment for Blue Pill devices and LibOpenCM3
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#
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# Parameters:
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#
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# STM32LIB path to root of the stm32lib
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# OPENCM3_DIR path to root of libopencm3
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# BINARY binary to build (without extension)
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# OBJS list of object files
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# LIB_OBJS list of library object files
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# WITH_BOOT_LOADER define if code origin should be shifted by 8K for boot loader
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# WITH_DFU_FLASH flashing uses dfu-util
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# WITH_SERIAL_FLASH flashing uses the built-in serial boot-loader
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# MAX_SIZE complain if the built firmware exceeds this size
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#
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vpath %.c $(STM32LIB)/lib
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OBJS += $(LIB_OBJS)
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DEVICE?=stm32f103x8
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.PHONY: all
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all:: $(BINARY).elf
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.PHONY: flash
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flash: $(BINARY).flash
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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endif
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include $(OPENCM3_DIR)/mk/genlink-config.mk
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ifdef WITH_BOOT_LOADER
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# We want to generate a linked script for a different ROM start address
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UCW_LDSCRIPT=bootloader-$(DEVICE).ld
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bootloader-$(DEVICE).ld: generated.$(DEVICE).ld
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@printf " GENLNK2 $@\n"
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$(Q)sed '/^ rom /s/ORIGIN = 0x08000000/ORIGIN = 0x08002000/' <$< >$@
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else
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UCW_LDSCRIPT=$(LDSCRIPT)
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endif
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PREFIX ?= arm-none-eabi
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CC := $(PREFIX)-gcc
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CXX := $(PREFIX)-g++
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LD := $(PREFIX)-gcc
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AR := $(PREFIX)-ar
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AS := $(PREFIX)-as
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OBJCOPY := $(PREFIX)-objcopy
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OBJDUMP := $(PREFIX)-objdump
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GDB := $(PREFIX)-gdb
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OPT := -Os
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DEBUG := -ggdb3
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CSTD ?= -std=gnu99
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TGT_CFLAGS += $(OPT) $(CSTD) $(DEBUG)
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TGT_CFLAGS += $(ARCH_FLAGS)
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TGT_CFLAGS += -Wall -Wextra -Wshadow -Wimplicit-function-declaration
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TGT_CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes -Wno-parentheses
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TGT_CFLAGS += -fno-common -ffunction-sections -fdata-sections
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TGT_CFLAGS += -I. -I$(STM32LIB)/lib
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TGT_CPPFLAGS += -MD
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TGT_LDFLAGS += --static -nostartfiles
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TGT_LDFLAGS += -T$(UCW_LDSCRIPT)
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TGT_LDFLAGS += $(ARCH_FLAGS) $(DEBUG)
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TGT_LDFLAGS += -Wl,-Map=$(*).map -Wl,--cref
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TGT_LDFLAGS += -Wl,--gc-sections
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ifeq ($(V),99)
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TGT_LDFLAGS += -Wl,--print-gc-sections
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endif
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LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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include $(OPENCM3_DIR)/mk/genlink-rules.mk
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%.bin: %.elf
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@printf " OBJCOPY $< -> $@\n"
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$(Q)$(OBJCOPY) -Obinary $< $@
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ifdef MAX_SIZE
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$(Q)if [ $$(stat -c '%s' $@) -gt $(MAX_SIZE) ] ; then echo >&2 "Output too exceeds $(MAX_SIZE) bytes!" ; false ; fi
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endif
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%.elf: $(OBJS) $(UCW_LDSCRIPT)
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@printf " LD $(*).elf\n"
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$(Q)$(LD) $(TGT_LDFLAGS) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $*.elf
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%.o: %.c
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@printf " CC $(*).c\n"
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$(Q)$(CC) $(TGT_CFLAGS) $(CFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $@ -c $<
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.PHONY: clean
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clean:
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@printf " CLEAN\n"
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$(Q)rm -f *.elf *.bin *.dfu *.o *.d *.map $(LDSCRIPT) $(UCW_LDSCRIPT)
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ifdef WITH_DFU_FLASH
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HAVE_FLASH := 1
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all:: $(BINARY).dfu
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%.flash: %.dfu
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@printf " FLASH $<\n"
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$(Q)dfu-util $(DFU_ARGS) -D $<
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# For the STM32duino-bootloader, we used:
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#%.flash: %.bin
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# @printf " FLASH $<\n"
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# $(Q)dfu-util -a2 -D $(*).bin
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endif
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ifdef WITH_SERIAL_FLASH
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HAVE_FLASH := 1
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all:: $(BINARY).bin
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BOOT_SERIAL ?= /dev/ttyUSB0
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%.flash: %.bin
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@printf " FLASH $<\n"
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$(Q)stm32flash $(BOOT_SERIAL) -i 'dtr,-dtr' -w $< -g 0
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.PHONY: reset
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reset: all
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$(Q)stm32flash $(BOOT_SERIAL) -i 'dtr,-dtr' -g 0
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endif
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ifdef WITH_MODBUS_FLASH
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HAVE_FLASH := 1
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all:: $(BINARY).dfu
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%.flash: %.dfu
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@printf " FLASH $<\n"
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$(Q)$(STM32LIB)/tools/modbus-flash $(MODBUS_FLASH_ARGS) --flash $<
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endif
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ifndef HAVE_FLASH
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all:: $(BINARY).bin
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%.flash: %.bin
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@printf " FLASH $<\n"
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$(Q)st-flash write $(*).bin 0x8000000
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.PHONY: reset
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reset:
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st-flash reset
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endif
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%.dfu: %.bin $(STM32LIB)/tools/dfu-sign
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@printf " SIGN $< -> $@\n"
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$(Q)$(STM32LIB)/tools/dfu-sign $< $@
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$(STM32LIB)/tools/dfu-sign:
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make -C $(STM32LIB)/tools
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.SECONDEXPANSION:
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.SECONDARY:
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-include $(OBJS:.o=.d)
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