8. Advanced Concepts

The following sections are advanced topics about how to Chipyard works, how to use Chipyard, and special features of the framework. They expect you to know about Chisel, Parameters, configs, etc.

Advanced Concepts:

• 8.1. Tops, Test-Harnesses, and the Test-Driver
  • 8.1.1. ChipTop/DUT
  • 8.1.2. System/DigitalTop
  • 8.1.3. TestHarness
  • 8.1.4. TestDriver
• 8.2. Communicating with the DUT
  • 8.2.1. Using the Tethered Serial Interface (TSI) or the Debug Module Interface (DMI)
  • 8.2.2. Using the JTAG Interface
  • 8.2.3. Example Test Chip Bringup Communication
• 8.3. Debugging RTL
  • 8.3.1. Waveforms
  • 8.3.2. Print Output
  • 8.3.3. Basic tests
  • 8.3.4. Torture tests
  • 8.3.5. Firesim Debugging
• 8.4. Accessing Scala Resources
• 8.5. Context-Dependent-Environments
  • 8.5.1. Site
  • 8.5.2. Here
  • 8.5.3. Up
• 8.6. Creating Clocks in the Test Harness
• 8.7. Managing Published Scala Dependencies
  • 8.7.1. Publishing Local Changes
• 8.8. Architectural Checkpoints
  • 8.8.1. Generating Checkpoints
  • 8.8.2. Loading Checkpoints in RTL Simulation
  • 8.8.3. Checkpointing Linux Binaries