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Wilson Snyder 2019-09-28 11:38:23 -04:00
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@ -4164,17 +4164,32 @@ code to add appropriate prints to see what is going on.
=over 4 =over 4
=item Does it run under Windows? =item Can I contribute?
Please contribute! Just file an issue asking for a merge, or ask on the
forums if looking for something to help on. For more information see our
contributor agreement.
=item How commonly is Verilator used?
Verilator is used by many of the largest silicon design companies, and all
the way down to college projects. Verilator is a "big 4" simulator,
meaning one of the 4 main SystemVerilog simulators available, namely the
commercial products Synopsys' VCS (tm), Mentor's ModelSim (tm), Cadence
Incisive/NC-Verilog/NC-Sim, and the open-source Verilator. The three
commercial choices are commonly collectively called the "big 3" simulators.
=item Does Verilator run under Windows?
Yes, using Cygwin. Verilated output also compiles under Microsoft Visual Yes, using Cygwin. Verilated output also compiles under Microsoft Visual
C++ Version 7 or newer, but this is not tested every release. C++, but this is not tested every release.
=item Can you provide binaries? =item Can you provide binaries?
Verilator is available as a RPM for Debian/Ubuntu, SuSE, Fedora, and Verilator is available as a RPM for Debian/Ubuntu, SuSE, Fedora, and other
perhaps other systems; this is done by porters and may slightly lag the distributions; this is done by porters and may slightly lag the primary
primary distribution. If there isn't a binary build for your distribution, distribution. If there isn't a binary build for your distribution, how
how about you set one up? Please contact the authors for assistance. about you set one up? Please contact the authors for assistance.
Note people sometimes request binaries when they are having problems with Note people sometimes request binaries when they are having problems with
their C++ compiler. Alas, binaries won't help this, as in the end a fully their C++ compiler. Alas, binaries won't help this, as in the end a fully
@ -4218,7 +4233,7 @@ placed under the Verilator copyright and LGPL/Artistic license. Small test
cases will be released into the public domain so they can be used anywhere, cases will be released into the public domain so they can be used anywhere,
and large tests under the LGPL/Artistic, unless requested otherwise. and large tests under the LGPL/Artistic, unless requested otherwise.
=item Why is Verilation so slow? =item Why is running Verilator (to create a model) so slow?
Verilator needs more memory than the resulting simulator will require, as Verilator needs more memory than the resulting simulator will require, as
Verilator creates internally all of the state of the resulting generated Verilator creates internally all of the state of the resulting generated