Trying to build the OpenPiton + Ariane version using verilator

[Ankush Burhmi]

So I am trying to use verilator to build and compile the OpenPiton + Ariane version of the manycore processor.

Steps I followed,

1. Cloned the repo 

2. source piton/piton_settings.bash

3. source piton/ariane_setup.sh

4. piton/ariane_build_tools.sh

Then inside the build directory I am using the following command to build it:

"sims -sys=manycore -x_tiles=1 -y_tiles=1 -vlt_build -ariane"

Now I have tried it in an env which has ModelSim and -msm_build works just fine but for some reason the verilator version of the command produces the following error: 

sims -sys=manycore -x_tiles=1 -y_tiles=1 -vlt_build -ariane
sims: ====================================================
sims:   Simulation Script for OpenPiton
sims:   Modified by Princeton University on June 9th, 2015
sims: ====================================================
sims: ====================================================
sims:   Simulation Script for OpenSPARC T1
sims:   Copyright (c) 2001-2006 Sun Microsystems, Inc.
sims:   All rights reserved.
sims: ====================================================
sims: start_time Sat Jun 14 02:18:43 IST 2025
sims: running on aboriginals
sims: uname is Linux aboriginals 5.15.167.4-microsoft-standard-WSL2 #1 SMP Tue Nov 5 00:21:55 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
sims: version 2.0
sims: dv_root /home/ankush/openpiton/piton
sims: model_dir /home/ankush/openpiton/build
sims: tre_search /home/ankush/openpiton/piton/tools/env/tools.iver
sims: using config file /home/ankush/openpiton/piton/tools/src/sims/sims.config (-DFLIST_ARIANE)
Can't exec "bw_cpp": No such file or directory at /home/ankush/openpiton/piton/tools/src/sims/sims,2.0 line 2005.
sims: Caught a SIGDIE. Could not open /home/ankush/openpiton/piton/tools/src/sims/sims.config at /home/ankush/openpiton/piton/tools/src/sims/sims,2.0 line 2005.

Is it like a known issue? Can we do something about it?

Regards,

Ankush

[Jonathan Balkind]

Hi there,

Yes, this is addressed in the README and has been asked in the group several times if you search. I'd encourage you to read the other items in the readme as well to make sure you have relevant dependencies installed. Happy to answer if you find anything else unexpected.

Thanks,

Jon

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