Vivado Y2k22 Patch | Install

This issue is rooted in a date overflow problem within the software. Around the start of 2022, AMD/Xilinx identified that the High-Level Synthesis (HLS) tools in Vivado and Vitis were experiencing a significant bug, quickly named the "Y2K22" issue. The software uses a date code to manage IP versioning, and starting in January 2022, this value overflowed, preventing the correct generation of IP cores.

The Y2K22 bug is a date-parsing error embedded within Xilinx's compilation and IP generation scripts. Why the Error Happens

Vivado 2022.1 and all subsequent versions, as AMD integrated a permanent fix directly into these newer installers. Step-by-Step Patch Installation Guide vivado y2k22 patch install

The deployment script requires Python (version 3.x is highly recommended, though some legacy scripts support Python 2.7).

When your project hits this bug, Vivado typically displays one of the following error codes in the Tcl Console or log files: ERROR: [XFORM 203-101] Failed to export IP. ERROR: [HLS 200-1023] Execution of command failed Failed to generate IP. An internal error occurred during: "Export RTL". Prerequisites Before Installation This issue is rooted in a date overflow

: Prevents the export_ip command from failing with "Invalid Argument" or "Revision Number Overflow" errors.

Vivado/2019.1/tps/lnx64/python-2.7.16/bin/python y2k22_patch/patch.py The Y2K22 bug is a date-parsing error embedded

Vivado uses HLS (High-Level Synthesis) and IP generation tools that format the current date as a string YYMMDDHHMM . On January 1, 2022, this value became 2201010000 .

Vivado sometimes caches older project states. Clear your local project directory caches by deleting the .Xil_backup or _x directories inside your project folder. Run a Test Export: Open Vivado and load an HLS project. Run the C Synthesis phase. Click Export RTL .

Open a terminal (Linux) or Command Prompt (Windows) and navigate to your Xilinx root directory. Use the following commands based on your OS: Operating System python y2k22_patch\patch.py Linux sudo python3 y2k22_patch/patch.py

The patch only adds necessary files; it does not delete or overwrite existing user data.