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RISCV_TOOLS_PREFIX = /opt/riscv32imc/bin/riscv32-unknown-elf-
CSMITH_INCDIR = $(shell ls -d /usr/local/include/csmith-* | head -n1)
CC = $(RISCV_TOOLS_PREFIX)gcc
run: test.exe test.hex testbench.exe
./test.exe | tee output_ref.txt
vvp -N testbench.exe | tee output_sim.txt
diff -u output_ref.txt output_sim.txt
testbench.exe: testbench.v ../../picorv32.v
iverilog -o testbench.exe testbench.v ../../picorv32.v
chmod -x testbench.exe
test.hex: start.elf test.elf
$(RISCV_TOOLS_PREFIX)objcopy -O verilog start.elf start.tmp
$(RISCV_TOOLS_PREFIX)objcopy -O verilog test.elf test.tmp
cat start.tmp test.tmp > test.hex
rm -f start.tmp test.tmp
start.elf: start.S start.ld
$(CC) -nostdlib -o start.elf start.S -T start.ld
chmod -x start.elf
test.exe: test.c
gcc -m32 -o test.exe -w -Os -I $(CSMITH_INCDIR) test.c
test.elf: test.c
$(CC) -o test.elf -w -Os -I $(CSMITH_INCDIR) test.c syscalls.c
chmod -x test.elf
test.c:
echo "integer size = 4" > platform.info
echo "pointer size = 4" >> platform.info
csmith -o test.c
clean:
rm -f platform.info test.c test.elf start.elf test.hex test.exe
rm -f testbench.exe testbench.vcd output_ref.txt output_sim.txt
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