54 lines
2.0 KiB
Makefile
54 lines
2.0 KiB
Makefile
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OSFLAG :=
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ifeq ($(OS),Windows_NT)
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RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX = C:\riscv_precompiled
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else
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RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX = /opt/riscv32
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endif
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ifeq ($(OS),Windows_NT)
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PYTHON_VER = python
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else
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PYTHON_VER = python3
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endif
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FIRMWARE_OBJS = firmware/start.o firmware/irq.o firmware/print.o firmware/inch.o firmware/timer.o firmware/prng.o firmware/leds.o firmware/fftbench.o firmware/main.o
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GCC_WARNS = -Wall -Wextra -Wshadow -Wundef -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings
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GCC_WARNS += -Wredundant-decls -Wstrict-prototypes -Wmissing-prototypes -pedantic # -Wconversion
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ifeq ($(OS),Windows_NT)
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TOOLCHAIN_PREFIX = $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)/bin/riscv-none-elf-
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else
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TOOLCHAIN_PREFIX = $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)im/bin/riscv32-unknown-elf-
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endif
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COMPRESSED_ISA =
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firmware/firmware.mif: firmware/firmware.bin firmware/makemif.py
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$(PYTHON_VER) firmware/makemif.py $< 16384 > $@
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firmware/firmware.hex: firmware/firmware.bin firmware/makehex.py
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$(PYTHON_VER) firmware/makehex.py $< 16384 firmware > $@
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firmware/firmware.fpga:firmware/firmware.hex
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$(PYTHON_VER) firmware/makebin.py $< 16384 > $@
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firmware/firmware.bin: firmware/firmware.elf
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$(TOOLCHAIN_PREFIX)objcopy -O binary $< $@
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chmod -x $@
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firmware/firmware.elf: $(FIRMWARE_OBJS) $(TEST_OBJS) firmware/sections.lds
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$(TOOLCHAIN_PREFIX)gcc -Os -ffreestanding -nostdlib -o $@ \
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-Wl,-Bstatic,-T,firmware/sections.lds,-Map,firmware/firmware.map,--strip-debug \
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$(FIRMWARE_OBJS) $(TEST_OBJS) -lgcc
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chmod -x $@
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firmware/start.o: firmware/start.S
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$(TOOLCHAIN_PREFIX)gcc -c -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -o $@ $<
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firmware/%.o: firmware/%.c
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$(TOOLCHAIN_PREFIX)gcc -c -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -Os -W --std=c99 $(GCC_WARNS) -ffreestanding -nostdlib -o $@ $<
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clean:
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rm -vrf $(FIRMWARE_OBJS) $(TEST_OBJS) \
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firmware/firmware.elf firmware/firmware.bin firmware/firmware.hex firmware/firmware.mif firmware/firmware.map firmware/Memory.v_toplevel_memory_1_symbol*
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.PHONY: clean
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