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OpenTitanTool

The OpenTitanTool is a CLI tool for interacting with an OpenTitan device via the various platforms available for development.

Operations supported by OpenTitanTool include:

  • Flashing an OpenTitan bitstream to an FPGA board.
  • Bootstrapping (flashing) software onto a device.
  • Connecting to a device's console.
  • Manipulating a device's GPIO pins, particularly for "strapping".

Building

OpenTitanTool is written in Rust and built using Bazel. It is used throughout the OpenTitan repository for executing tests.

To build and run the tool manually:

bazel build //sw/host/opentitantool
bazel run //sw/host/opentitantool -- help

Configuration

OpenTitanTool reads additional CLI arguments from the file at $HOME/.config/opentitantool/config.