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Project Description


IP-core package generator for AXI4/Avalon

Copyright (C) 2015, Shinya Takamaeda-Yamazaki



Apache License 2.0 (

What’s IPgen?

IPgen is a lightweight IP-core package synthesizer from abstract RTL sources. You can implement both AXI4 and Avalon IP-core by using the provided abstract interfaces.

  • ipgen_master_memory: memory-mapped access interface (master)
  • ipgen_slave_memory: memory-mapped access interface (slave)
  • ipgen_master_lite_memory: memory-mapped access lite interface (master)
  • ipgen_slave_lite_memory: memory-mapped access lite interface (slave)



  • Python: 2.7, 3.4 or later

Python3 is recommended.

  • Icarus Verilog: 0.9.7 or later

Install on your platform. For exmple, on Ubuntu:

sudo apt-get install iverilog
  • Jinja2: 2.8 or later
  • pytest: 2.8.2 or later
  • pytest-pythonpath: 0.7 or later

Install on your python environment by using pip.

pip install jinja2 pytest pytest-pythonpath
  • Pyverilog: 1.0.0 or later

Install from pip:

pip install pyverilog


Install IPgen.

python install

Getting Started

You can use the ipgen command from your console.


You can find the sample projects in ‘tests/memcpy.v’.

  • userlogic.v : User-defined Verilog code using IPgen abstract memory interfaces

Then type ‘make’ and ‘make run’ to simulate sample system.

make build
make sim

Or type commands as below directly.

ipgen default.config -t userlogic -I include tests/memcpyuserlogic.v
iverilog -I ipen_userlogic_v1_00_a/hdl/verilog/ ipgen_userlogic_v1_00_a/test/test_ipgen_userlogic.v

IPgen compiler generates a directory for IP-core (ipgen_userlogic_v1_00_a, in this example).

‘ipgen_userlogic_v1_00_a.v’ includes - IP-core RTL design (hdl/verilog/ipgen_userlogic.v) - Test bench (test/test_ipgen_userlogic.v) - XPS setting files (ipgen_userlogic_v2_1_0.{mpd,pao,tcl}) - IP-XACT file (component.xml)

A bit-stream can be synthesized by using Xilinx Platform Studio, Xilinx Vivado, and Altera Qsys. In case of XPS, please copy the generated IP-core into ‘pcores’ directory of XPS project.

IPgen Command Options


ipgen [config] [-t topmodule] [-I includepath]+ [--memimg=filename] [--usertest=filename] [file]+


  • file
    • User-logic Verilog file (.v) and FPGA system memory specification (.config). Automatically, .v file is recognized as a user-logic Verilog file, and .config file recongnized as a memory specification of used FPGA system, respectively.
  • config
    • Configuration file which includes memory and device specification
  • -t
    • Name of user-defined top module, default is “userlogic”.
  • -I
    • Include path for input Verilog HDL files.
  • –memimg
    • DRAM image file in HEX DRAM (option, if you need). The file is copied into test directory. If no file is assigned, the array is initialized with incremental values.
  • –usertest
    • User-defined test code file (option, if you need). The code is copied into testbench script.
Release History

Release History


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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
ipgen-0.2.0.tar.gz (657.3 kB) Copy SHA256 Checksum SHA256 Source Nov 6, 2015

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