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SystemVerilog DPI in NCSim?

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Hi all, Because it will take some time waiting download IUS583, I tried to use SystemVerilog DPI (mostly imported functions). I heard that Synopsys can simply include C file in file list with SystemVerilog file and run simulation. But Cadence NC seems need C code compile and link to a lib. I have read the NCsim document and find a switch "-sv_lib". But I cannot find a simple example. Is there any step by step tutorial about how to compile, link and run SystemVerilog DPI C file in NCsim? Best regards, Davy


Originally posted in cdnusers.org by davyzhu
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  • Davy

    I believe there are some examples on using DPI in the NC documentation. The essential step you need are:

    1. Compile the c code as usual to .o files.
    2. Link the C code to a shared library. You must make sure that if you have C++ code, the DPI method should be declared under extern "C" {

    } block.
    3. Specify the shared library path to the -sv_lib option in ncsim.

    Nitin


    Originally posted in cdnusers.org by nitin_sharma
Reply

  • Davy

    I believe there are some examples on using DPI in the NC documentation. The essential step you need are:

    1. Compile the c code as usual to .o files.
    2. Link the C code to a shared library. You must make sure that if you have C++ code, the DPI method should be declared under extern "C" {

    } block.
    3. Specify the shared library path to the -sv_lib option in ncsim.

    Nitin


    Originally posted in cdnusers.org by nitin_sharma
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