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sw/blinky/Makefile

@@ -1,14 +1,56 @@
-TOOLCHAIN_PREFIX?=riscv64-elf-
-CC=$(TOOLCHAIN_PREFIX)gcc
-OBJCOPY=$(TOOLCHAIN_PREFIX)objcopy
+TOOLCHAIN_PREFIX ?= riscv64-elf-
 
-%.elf: %.S link.ld
-# 	$(CC) -nostartfiles -nostdlib -march=rv32i_zicsr -mabi=ilp32 -Tlink.ld -o$@ $<
-	$(CC) -nostartfiles -nostdlib -ffreestanding -march=rv32i_zicsr -mabi=ilp32 -Tlink.ld -o$@ $<
-%.bin: %.elf
+CC      := $(TOOLCHAIN_PREFIX)gcc
+OBJCOPY := $(TOOLCHAIN_PREFIX)objcopy
+OBJDUMP := $(TOOLCHAIN_PREFIX)objdump
+SIZE    := $(TOOLCHAIN_PREFIX)size
+
+TARGET  := blinky
+SRCS_C  := blinky.c
+SRCS_S  := start.s
+OBJS    := $(SRCS_C:.c=.o) $(SRCS_S:.s=.o)
+
+ARCH_FLAGS := -march=rv32i_zicsr -mabi=ilp32
+CFLAGS     := $(ARCH_FLAGS) -Os -ffreestanding -fno-builtin -Wall -Wextra
+ASFLAGS    := $(ARCH_FLAGS)
+LDFLAGS    := $(ARCH_FLAGS) -nostdlib -nostartfiles -Wl,-Bstatic,-Tlink.ld,--gc-sections,-Map,$(TARGET).map
+
+HEX_TO_COE := ../../scripts/hex_to_coe.py
+HEX_TO_MIF := ../../scripts/hex_to_mif.py
+
+.PHONY: all clean disasm size
+
+all: $(TARGET).elf $(TARGET).bin $(TARGET).hex $(TARGET).coe $(TARGET).mif $(TARGET).elf.asm
+
+$(TARGET).elf: $(OBJS) link.ld
+	$(CC) $(LDFLAGS) -o $@ $(OBJS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+%.o: %.s
+	$(CC) $(ASFLAGS) -c -o $@ $<
+
+$(TARGET).bin: $(TARGET).elf
 	$(OBJCOPY) -O binary $< $@
-%.hex: %.bin
+
+$(TARGET).hex: $(TARGET).bin
 	hexdump -v -e '1/1 "%02x\n"' $< > $@
 
+$(TARGET).coe: $(TARGET).hex
+	$(HEX_TO_COE) $< $@
+
+$(TARGET).mif: $(TARGET).hex
+	$(HEX_TO_MIF) $< $@
+
+$(TARGET).elf.asm: $(TARGET).elf
+	$(OBJDUMP) -d -S $< > $@
+
+disasm: $(TARGET).elf.asm
+
+size: $(TARGET).elf
+	$(SIZE) $<
+
 clean:
-	rm -f *.elf *.bin *.hex
+	rm -f $(TARGET).elf $(TARGET).bin $(TARGET).hex $(TARGET).coe $(TARGET).mif \
+		$(TARGET).elf.asm $(TARGET).map $(OBJS)