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- TOOL_PREFIX = arm-none-eabi-
- CC = $(TOOL_PREFIX)gcc
- OBJCOPY = $(TOOL_PREFIX)objcopy
- LD = $(TOOL_PREFIX)ld
- PYTHON = python3
- ZIP = zip -r
- UNZIP = unzip
- ifneq ($(VERBOSE),1)
- TOOL_PREFIX := @$(TOOL_PREFIX)
- endif
- FLAGS = -g -Os -nostdlib -std=gnu99 -iquote $(ROOT)/inc
- FLAGS += -Wall -Werror -Wno-format -Wdeclaration-after-statement
- FLAGS += -Wstrict-prototypes -Wredundant-decls -Wnested-externs
- FLAGS += -fno-common -fno-exceptions -fno-strict-aliasing
- FLAGS += -mlittle-endian -mthumb -mfloat-abi=soft
- FLAGS += -Wno-unused-value -ffunction-sections
- ifeq ($(mcu),stm32f1)
- FLAGS += -mcpu=cortex-m3 -DSTM32F1=1 -DMCU=1
- stm32f1=y
- else ifeq ($(mcu),stm32f7)
- FLAGS += -mcpu=cortex-m7 -DSTM32F7=7 -DMCU=7
- stm32f7=y
- else ifeq ($(mcu),at32f4)
- FLAGS += -mcpu=cortex-m4 -DAT32F4=4 -DMCU=4
- at32f4=y
- endif
- ifneq ($(debug),y)
- FLAGS += -DNDEBUG
- endif
- ifeq ($(bootloader),y)
- FLAGS += -DBOOTLOADER=1
- endif
- FLAGS += -MMD -MF .$(@F).d
- DEPS = .*.d
- FLAGS += $(FLAGS-y)
- CFLAGS += $(CFLAGS-y) $(FLAGS) -include decls.h
- AFLAGS += $(AFLAGS-y) $(FLAGS) -D__ASSEMBLY__
- LDFLAGS += $(LDFLAGS-y) $(FLAGS) -Wl,--gc-sections
- SRCDIR := $(shell $(PYTHON) $(ROOT)/scripts/srcdir.py $(CURDIR))
- include $(SRCDIR)/Makefile
- SUBDIRS += $(SUBDIRS-y)
- OBJS += $(OBJS-y) $(patsubst %,%/build.o,$(SUBDIRS))
- # Force execution of pattern rules (for which PHONY cannot be directly used).
- .PHONY: FORCE
- FORCE:
- .PHONY: clean
- .SECONDARY:
- build.o: $(OBJS)
- $(LD) -r -o $@ $^
- %/build.o: FORCE
- +mkdir -p $*
- $(MAKE) -f $(ROOT)/Rules.mk -C $* build.o
- %.ld: $(SRCDIR)/%.ld.S $(SRCDIR)/Makefile
- @echo CPP $@
- $(CC) -P -E $(AFLAGS) $< -o $@
- %.elf: $(OBJS) %.ld $(SRCDIR)/Makefile
- @echo LD $@
- $(CC) $(LDFLAGS) -T$(*F).ld $(OBJS) -o $@
- chmod a-x $@
- %.hex: %.elf
- @echo OBJCOPY $@
- $(OBJCOPY) -O ihex $< $@
- chmod a-x $@
- ifneq ($(bootloader),y)
- srec_cat ../bootloader/target.hex -Intel $@ -Intel -o $@ -Intel
- endif
- %.bin: %.elf
- @echo OBJCOPY $@
- $(OBJCOPY) -O binary $< $@
- chmod a-x $@
- %.upd: %.bin
- $(PYTHON) $(ROOT)/scripts/mk_update.py new $@ \
- $< $(mcu)-$(FW_MAJOR).$(FW_MINOR)-$(bootloader)
- %.o: $(SRCDIR)/%.c $(SRCDIR)/Makefile
- @echo CC $@
- $(CC) $(CFLAGS) -c $< -o $@
- %.o: $(SRCDIR)/%.S $(SRCDIR)/Makefile
- @echo AS $@
- $(CC) $(AFLAGS) -c $< -o $@
- -include $(DEPS)
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