2015-07-19 22:09:19 +08:00
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TOOLCHAIN_PREFIX = riscv64-unknown-elf-
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all: example.bin
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firmware.elf: firmware.S firmware.c firmware.lds
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$(TOOLCHAIN_PREFIX)gcc -Os -m32 -ffreestanding -nostdlib -o firmware.elf firmware.S firmware.c \
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--std=gnu99 -Wl,-Bstatic,-T,firmware.lds,-Map,firmware.map,--strip-debug -lgcc
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2015-07-19 22:44:31 +08:00
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chmod -x firmware.elf
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2015-07-19 22:09:19 +08:00
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firmware.bin: firmware.elf
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$(TOOLCHAIN_PREFIX)objcopy -O binary firmware.elf firmware.bin
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2015-07-19 22:44:31 +08:00
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chmod -x firmware.bin
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2015-07-19 22:09:19 +08:00
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firmware.hex: firmware.bin
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python3 ../../firmware/makehex.py firmware.bin 128 > firmware.hex
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synth.blif: example.v firmware.hex
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yosys -v3 -l synth.log -p 'synth_ice40 -top top -blif synth.blif; write_verilog -attr2comment synth.v' ../../picorv32.v example.v
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example.txt: synth.blif
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arachne-pnr -d 8k -o example.txt -p example.pcf synth.blif
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example.bin: example.txt
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icepack example.txt example.bin
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example_tb.exe: example_tb.v example.v firmware.hex
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2015-07-19 22:44:31 +08:00
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iverilog -o example_tb.exe -s testbench example.v example_tb.v ../../picorv32.v
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2015-07-19 22:09:19 +08:00
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chmod -x example_tb.exe
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sim: example_tb.exe
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vvp -N example_tb.exe # +vcd
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prog_sram:
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iceprog -S example.bin
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clean:
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rm -f firmware.elf firmware.map firmware.bin firmware.hex
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rm -f synth.log synth.v synth.blif example.txt example.bin
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rm -f example_tb.exe example.vcd
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.PHONY: all sim prog_sram clean
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