Uf2 Decompiler Repack

Decoding UF2: A Deep Dive into UF2 Decompilers and Firmware Reverse Engineering

  • Recovering lost source code (last resort – but the decompiled code will be ugly).
  • Security research – finding vulnerabilities in firmware.
  • Learning how certain drivers or libraries work when no source is available.
  • Interoperability – understanding a proprietary protocol implemented on a device.

Option B: Manual Inspection

Since UF2 blocks are structured, you can write a simple script: uf2 decompiler

  1. Extract binary from UF2.
  2. Auto-detect CPU via Family ID.
  3. Spawn Ghidra headless with the -processor flag set.
  4. Run the DecompileCallback script.
  5. Output the .c file.