# Bind Python & SystemVerilog.


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- [Access Python Variables and Objects from SystemVerilog](https://pystim.dev/access-python-variables-and-objects-from-systemverilog/): Access Python Variables and Objects from SystemVerilog Goal: Set Python variables, run Python code, then read the resulting variables in SystemVerilog. Code snippet demonstrates how access Python variables and Objects from SystemVerilog simulation. PyStim initializes the Python interpreter, sets variables, executes Python code, retrieves results, and displays them, enabling the use of Python’s computational capabilities alongside SystemVerilog’s hardware modeling features. The exec method returns the execution status. If a Python code execution error occurs, it will return an instance of the py_error class, which contains details of the Python exception. Otherwise, it will return an object of type py_none. It’s […]
- [Pass SystemVerilog Data to Python](https://pystim.dev/pass-systemverilog-data-to-python/): Pass SystemVerilog Data to Python Goal: Send SystemVerilog array to Python as Python-native types. PyStim converts SystemVerilog core types into Python types (e.g., queue/array to tuple/list). This is essential for data exchange between the two runtimes. This SystemVerilog code snippet demonstrates how to pass an array-like structure from SystemVerilog to Python using a tuple. It utilizes Python integration to create and manipulate Python objects within a SystemVerilog simulation environment.
- [Embedding Python in SystemVerilog tutorials](https://pystim.dev/embedding-python-in-systemverilog-tutorials/): Embedding Python in SystemVerilog with PyStim – Tutorial Series Welcome to this practical tutorial series on embedding the Python interpreter in SystemVerilog environment using PyStim. This series is designed for SystemVerilog engineers who want to leverage the power, flexibility, and ecosystem of Python—directly from within their native SystemVerilog code. Each tutorial focuses on a specific feature or technique, with minimal boilerplate and real-world relevance.Whether you’re building a plugin system, running Python-based configuration, offloading scripting logic, or integrating libraries like NumPy or TensorFlow, these tutorials will show you how to:
- [Call Python Functions from SystemVerilog](https://pystim.dev/call-python-functions-from-systemverilog/): Call Python Functions from SystemVerilog Invoke a Python function from your SystemVerilog. This SystemVerilog code snippet demonstrates how to call Python’s functions from a SystemVerilog simulation environment. It uses Python integration to leverage Python’s built-in mathematical functions. The math::factorial function is called with an input of 4, and its result is saved as py_object fact_res before being converted to a SystemVerilog int.
- [Import Python Modules in SystemVerilog](https://pystim.dev/import-python-modules-in-systemverilog/): Import Python Modules in SystemVerilog Goal: Import and use built-in or third-party Python modules from within SystemVerilog. Python’s modules can be accessed directly via PyStim py_module::import . This allows you to leverage Python’s standard library or other modules, such as NumPy and pandas, for computation, visualization, or machine learning. This SystemVerilog code snippet demonstrates how to interact with Python’s math module from within a SystemVerilog simulation environment. It retrieves the value of the mathematical constant pi from Python and displays it in the simulation output.
- [Python Embedding in SystemVerilog](https://pystim.dev/python-embedding-in-systemverilog/): Python Embedding in SystemVerilog Goal: Initialize and finalize the Python interpreter from SystemVerilog. This SystemVerilog code snippet showcases Python Embedding in SystemVerilog through the use of PyStim. This integration is particularly valuable when you want to leverage Python’s extensive libraries or scripting power to enhance your hardware design and verification workflows. The py::exec function is then used to execute a Python code. The script, "print('Hello from {}!'.format(name))", prints a formatted string that includes the value of the name variable. The globals and locals dictionaries are passed as arguments to py::exec, ensuring that the script has access to the defined variables […]
- [tutorial-call-python-functions-from-systemverilog](https://pystim.dev/tutorial-call-python-functions-from-systemverilog/): PyStim Tutorial: Easily call Python functions from SystemVerilog This tutorial provides a comprehensive step-by-step guide to using PyStim. It demonstrates how to call Python functions from SystemVerilog, enabling the writing of robust SystemVerilog code while maintaining Python’s simplicity for scripting and library reuse. Write Python Code The first step is to write the Python code to expose to SystemVerilog. For this tutorial, we’ll implement simple arithmetic functions as an example. Python Example Functions Create a file named custom_math.py (or any name you prefer) and implement the Python functions listed below. These functions will then be callable from SystemVerilog. These functions […]
- [download-pystim-community-edition](https://pystim.dev/download-pystim-community-edition/): Download PyStim. PyStim v 1.1.0 for Linux x86_64/amd64 Python version PyStim download file. 3.13 Download 3.12 Download 3.11 Download 3.10 Download 3.9 Download 3.8 Download 3.7 Download [1] – When Python is installed together with Python-shared libraries (such as libpython.so on Linux or python.dll on Windows), it is often referred to as “Python with shared library” or “Python built with shared libraries”.This setup allows multiple programs to use the same shared Python runtime rather than embedding a separate Python interpreter in each application. It can reduce memory usage and make embedding Python into other applications easier.
- [pystim-download](https://pystim.dev/pystim-download/): COMMUNITY $0 /Month Free version of PyStim library without support. BUSINESS $250 /hour/1 user PyStim library version suitable for most use-case with limited email support. ENTERPRISE Custom Customizeble version of library.
- [integration-systemverilog-and-python](https://pystim.dev/integration-systemverilog-and-python/): Seamlessly Integrate Python with SystemVerilog PyStim features:
- [Home](https://pystim.dev/): Bind Python & SystemVerilog What is PyStim? PyStim is SystemVerilog library that enables seamless interoperability between Python and SystemVerilog. Essentially, it allows to create SystemVerilog bindings for Python code, making it possible to call Python functions, use Python classes, and execute Python scripts within the SystemVerilog environment. The PyStim library allows Python code to run directly within a SystemVerilog environment by embedding a Python interpreter. The library binds Python & SystemVerilog in one component. Why Use PyStim? Harness Python’s full power in SystemVerilog with PyStim. A Brief Look Integrate Python with SystemVerilog The subsequent code snippet demonstrates the use of […]


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