46 lines
951 B
Makefile
46 lines
951 B
Makefile
# RISCV environment variable must be set
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CC=$(RISCV)/bin/riscv64-unknown-elf-gcc
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OBJCOPY=$(RISCV)/bin/riscv64-unknown-elf-objcopy
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CFLAGS=-march=rv32imac -mabi=ilp32 -O2 -std=gnu11 -Wall -I. -nostartfiles -fno-common -g
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LFLAGS=-static -nostdlib
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dtb := $(BUILD_DIR)/$(CONFIG_PROJECT).$(CONFIG).dtb
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$(dtb): $(BUILD_DIR)/$(CONFIG_PROJECT).$(CONFIG).dts
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dtc -I dts -O dtb -o $@ $<
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.PHONY: dtb
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dtb: $(dtb)
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elf := $(BUILD_DIR)/xip.elf
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$(elf): xip.S $(dtb)
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$(CC) $(CFLAGS) -DXIP_TARGET_ADDR=0x20400000 -DDEVICE_TREE='"$(dtb)"' $(LFLAGS) -o $@ $<
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.PHONY: elf
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elf: $(elf)
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bin := $(BUILD_DIR)/xip.bin
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$(bin): $(elf)
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$(OBJCOPY) -O binary $< $@
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.PHONY: bin
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bin: $(bin)
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hex := $(BUILD_DIR)/xip.hex
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$(hex): $(bin)
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od -t x4 -An -w4 -v $< > $@
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.PHONY: hex
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hex: $(hex)
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romgen := $(BUILD_DIR)/rom.v
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$(romgen): $(hex)
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$(rocketchip_dir)/scripts/vlsi_rom_gen $(ROMCONF) $< > $@
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.PHONY: romgen
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romgen: $(romgen)
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.PHONY: clean
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clean::
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rm -rf $(hex) $(elf)
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