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testbench: testbench.vvp firmware.hex
vvp -N $<
testbench.vvp: spiflash.v spimemio.v testbench.v top.v ../picorv32.v
iverilog -s testbench -o $@ $^
spiflash_tb: spiflash_tb.vvp firmware.hex
vvp -N $<
spiflash_tb.vvp: spiflash.v spiflash_tb.v
iverilog -s testbench -o $@ $^
prog: design.bin firmware.bin
iceprog design.bin
iceprog -o 1M firmware.bin
firmware.elf: firmware.s
riscv32-unknown-elf-gcc -c -o firmware.elf firmware.s
firmware_vma.elf: firmware.elf
riscv32-unknown-elf-objcopy --change-section-vma .text=0x00100000 firmware.elf firmware_vma.elf
firmware.hex: firmware_vma.elf
riscv32-unknown-elf-objcopy -O verilog firmware_vma.elf firmware.hex
firmware.bin: firmware.elf
riscv32-unknown-elf-objcopy -O binary firmware.elf firmware.bin
design.blif: spimemio.v top.v ../picorv32.v
yosys -ql design.log -p 'synth_ice40 -top top -blif design.blif' $^
design.asc: pinout.pcf design.blif
arachne-pnr -d 8k -o design.asc -p pinout.pcf design.blif
design.bin: design.asc
icetime -d hx8k -c 12 -mtr design.rpt design.asc
icepack design.asc design.bin
clean:
rm -f testbench.vvp testbench.vcd spiflash_tb.vvp spiflash_tb.vcd
rm -f firmware.elf firmware_vma.elf firmware.hex firmware.bin
rm -f design.blif design.log design.asc design.rpt design.bin
.PHONY: testbench spiflash_tb prog clean
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