freedom/bootrom/xip/Makefile
2018-02-25 10:33:25 -08:00

46 lines
951 B
Makefile

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