building openpiton

[Anudeep]

Hello,

I have added custom verilog code to the existing openpiton code.

when I built it, it passes and was able to run user code but when I enable the verilator waveform dump, the build fails.

sims -sys=manycore -x_tiles=2 -y_tiles=1 -vlt_build -ariane - PASS

sims -sys=manycore -x_tiles=1 -y_tiles=1 -vlt_build -vlt_build_args=-trace -vlt_build_args=-CFLAGS -vlt_build_args=-DVERILATOR_VCD -ariane - FAIL

error message : %Error: Command Failed /home/anudeep/hackdac_21/openpiton/piton/design/chip/tile/ariane//tmp/verilator-4.014//bin/verilator_bin -cc -exe
*/openpiton/piton/tools/verilator/my_top.cpp 

*/openpiton/piton/tools/pli/iop/b_ary.c 

*/openpiton/piton/tools/pli/iop/bw_lib.c 

*/openpiton/piton/tools/pli/iop/iob_main.cc 

*/openpiton/piton/tools/pli/iop/iob.cc 

*/openpiton/piton/tools/pli/iop/cpx.cc 

*/openpiton/piton/tools/pli/iop/pcx.cc --top-module cmp_top -Wno-fatal -Wno-BLKANDNBLK -DPITON_DPI --unroll-count 256 -CFLAGS -DVERILATOR -CFLAGS -DPITON_DPI -CFLAGS -lstdc\+\+ -CFLAGS -I/*

/openpiton/piton/tools/pli/iop -CFLAGS -I/*

/openpiton/piton/tools/verilator -f flist -DSYNC_MUX -trace -CFLAGS -DVERILATOR_VCD

sims: Caught a SIGDIE. failed building model at */openpiton/piton/tools/src/sims/sims,2.0 line 1571.

can you please guide me in debugging this issue?

Thanks,

Anudeep.

[Jonathan Balkind]

Hi Anudeep,

Could you give a slightly newer verilator version a try? I've also seen this occasionally and I'm not sure if it's a verilator or compiler issue or whether it's an OpenPiton issue. I've produced waveforms plenty of times so I don't think it's as likely to be an OP issue.

Thanks,

Jon

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[Anudeep]

Hi Jon,

I see an error after updating verilator.

unable to build now.

Please find the sims.log attached.

Thanks,

Anudeep.

[Jonathan Balkind]

This version of the code is very old. Please use something newer.

Thanks,

Jon

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[Anudeep]

Please help.
I see new errors after updating the code.

Thanks,

Anudeep.

[Jonathan Balkind]

Your verilator version doesn't match what OpenPiton is expecting. You can find the line with TIMESCALEMOD in piton/tools/src/sims/sims,2.0 and comment it out or you can change your verilator version.

Thanks,

Jon

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[Anudeep]

sorry Jon,

I don't see any line with TIMESCALEMOD in /openpiton/piton/tools/src/sims/sims,2.0 file

Thanks,

Anudeep.

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[Jonathan Balkind]

It's there

https://github.com/PrincetonUniversity/openpiton/blob/openpiton-dev/piton/tools/src/sims/sims%2C2.0#L1529

[Anudeep]

I see the following error(attached the image) after running ./piton/ariane_build_tools.sh
Please help.

Thanks,

Anudeep.

[Anudeep]

I tried deleting the "/tmp" directory which didn't work.

Thanks,

Anudeep.

[Jonathan Balkind]

I think this has been addressed before https://groups.google.com/g/openpiton/c/Dx5_gmEHoBA/m/4r7MLIq8CgAJ

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[Anudeep]

/piton/design/chip/tile/ariane/tmp/riscv-tests/env/v/vm.c

fixed it by adding "extern" 

extern volatile uint64_t tohost; extern volatile uint64_t fromhost;

Now I see new errors.
Please help.

Thanks,

Anudeep.

[Jonathan Balkind]

You already have verilator installed so you don't need to build it again

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