TI PRU Debugger

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TI Programmable Real-Time Unit Subsystem (PRUSS) / PRU debugger. Provides the ability to load binaries in the PRUs, display instruction and data memory, disassemble instruction memory, start/stop the PRU, and has a pseudo-run feature that auto-single-steps through the program while providing breakpoints and variable watches. Prudebug supports both PRUSSv1 and v2. It can map PRU memory through both /dev/mem and UIO device driver (command line option).

prudebug Web Site



BSD License


  • Load binaries into PRU
  • Display instruction and data memory space on PRUs
  • Disassemble instruction memory space
  • Start and halt PRU
  • Single step PRU
  • Pseudo-run (auto-single-step) mode supporting break on variable and watches
  • Very limited dependencies - just standard library and /dev/mem device
  • Could probably be easily ported to systems other than embedded Linux

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