93 lines
2.5 KiB
Makefile
93 lines
2.5 KiB
Makefile
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SOURCES := main.c mspdebug_wrapper.c spi_flash.c
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SOURCES += mspdebug/drivers/jtaglib.c
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BUILDDIR ?= build
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BINARY := safetyreset
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LDSCRIPT := stm32f407.ld
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LIBNAME := opencm3_stm32f4
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OPENCM3_DIR ?= libopencm3
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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 := $(PREFIX)gdb
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CFLAGS += -I$(OPENCM3_DIR)/include -Imspdebug/util -Imspdebug/drivers
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CFLAGS += -Os -std=gnu11 -g -DSTM32F4
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# Note: libopencm3 requires some standard libc definitions from stdint.h and stdbool.h, so we don't pass -nostdinc here.
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CFLAGS += -nostdlib -ffreestanding
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CFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g
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CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration -Wundef
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CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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CFLAGS += -fno-common -ffunction-sections -fdata-sections
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LDFLAGS += --static -nostartfiles
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LDFLAGS += -T$(LDSCRIPT)
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LDFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g
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LDFLAGS += -Wl,--cre
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#LDFLAGS += -Wl,--gc-sections
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LDFLAGS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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LDFLAGS += -L$(OPENCM3_DIR)/lib
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LDFLAGS += -l$(LIBNAME) $(shell $(CC) -print-libgcc-file-name)
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all: elf
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elf: $(BUILDDIR)/$(BINARY).elf
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bin: $(BUILDDIR)/$(BINARY).bin
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hex: $(BUILDDIR)/$(BINARY).hex
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srec: $(BUILDDIR)/$(BINARY).srec
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list: $(BUILDDIR)/$(BINARY).list
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images: $(BUILDDIR)/$(BINARY).images
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$(OPENCM3_DIR)/lib/lib$(LIBNAME).a:
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echo "Warning, $@ not found, attempting to rebuild in $(OPENCM3_DIR)"
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$(MAKE) -C $(OPENCM3_DIR)
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OBJS := $(addprefix $(BUILDDIR)/,$(SOURCES:%.c=%.o))
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# Define a helper macro for debugging make errors online
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# you can type "make print-OPENCM3_DIR" and it will show you
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# how that ended up being resolved by all of the included
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# makefiles.
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print-%:
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@echo $*=$($*)
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$(BUILDDIR)/%.images: $(BUILDDIR)/%.bin $(BUILDDIR)/%.hex $(BUILDDIR)/%.srec $(BUILDDIR)/%.list $(BUILDDIR)/%.map
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$(BUILDDIR)/%.bin: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Obinary $< $@
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$(BUILDDIR)/%.hex: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Oihex $< $@
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$(BUILDDIR)/%.srec: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Osrec $< $@
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$(BUILDDIR)/%.list: $(BUILDDIR)/%.elf
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$(OBJDUMP) -S $< > $@
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$(BUILDDIR)/%.elf: $(OBJS) $(LDSCRIPT) $(OPENCM3_DIR)/lib/lib$(LIBNAME).a
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$(LD) $(OBJS) $(LDFLAGS) -o $@ -Wl,-Map=$*.map
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$(BUILDDIR)/%.o: %.c
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mkdir -p $(dir $@)
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$(CC) $(CFLAGS) -o $@ -c $<
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clean:
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-rm -r $(BUILDDIR)
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.PHONY: images clean elf bin hex srec list
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-include $(OBJS:.o=.d)
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