Identify the main elements provided by the UVM Register Layer to support register verification in designs. Explain the use of the UVM Register Model framework for effective verification. Recognize the structure and purpose of the UVM Register Model Class Hierarchy. Analyze the Register API and understand its role in simplifying interactions with registers. Explore the concepts of frontdoor and backdoor access for efficient communication with hardware. Describe how prediction and register updates are performed within the UVM Register Layer. Understand the importance of address maps and how they assist in modeling register structures. Discuss the advantages of the UVM Register Layer methodology in improving verification productivity.

Describe the structure and purpose of the YAPP router design, highlighting its key functional components. Understand the protocols used at the router’s input ports and their role in ensuring correct data flow. Explore the HBUS protocol and its integration into the router design. Map the router’s address spaces and identify the names of its various blocks. Examine the configuration and enable registers that control the router’s operations. Analyze the router’s memory blocks and their roles in data storage and retrieval. Investigate the router’s verification environment and its key elements, focusing on how recorded HBUS transactions are managed.

Define the hierarchy and structure of a register model, focusing on its key building blocks. Use IP-XACT as a standard for defining registers and their configurations, understanding its role in generating structured models. Generate a register model with iregGen, an XML-based register generator, by using predefined IP-XACT specifications. Leverage vendor extensions to add essential functionality to the register model. Understand how fields are configured within registers and explore methods to wrap registers into address blocks. Analyze the process of managing memory blocks within an address space and integrating them into a register model. Investigate top-level declarations for creating a complete and functional UVM register model.

Use vendor extensions to enhance the characteristics of the register model, adding features beyond those defined by IP-XACT. Customize the register model by applying constraints, descriptions, and specific settings for access policies. Incorporate vendor-defined resets and HDL paths to tailor the register model to unique requirements. Explore how subclasses can be used to apply simple customizations, extending the functionality of the base model. Understand the use of vendor extensions for refining register behavior and aligning it with project-specific needs. Develop skills to efficiently apply these extensions to improve the flexibility and functionality of your register models.

Create an HBUS register adapter to enable conversion between generic register data structures and HBUS transactions. Implement adapter methods to handle the translation of data fields and protocols. Use the UVM uvm_reg_adapter class to define the adapter and its key functions, such as reg2bus and bus2reg. Extend the adapter to support custom data structures and align it with project-specific requirements. Incorporate UVC data item definitions like hbus_transaction into the adapter to ensure compatibility with HBUS protocols. Understand how to declare, construct, and utilize adapter extensions for enhanced functionality and flexibility in handling register-to-bus operations.

Integrate the YAPP Router Register Model and the HBUS/Register Adapter into the testbench to establish a functional test environment. Set up the connections between the register model and adapter while ensuring compatibility with multiple address maps. Use a configuration database to manage the integration process and reset the register model as needed. Verify the connections by simulating a pre-built test and analyzing the results to ensure proper functionality of both the register model and adapter. Identify and troubleshoot any issues in the topology or adapter connection to guarantee a seamless integration and reliable test environment.

Create a base register sequence to simplify testing by ensuring every sequence retrieves the register model from the configuration database. Extend this base sequence to develop custom register testing sequences. Use built-in UVM register sequences to test register models effectively and adapt these sequences to meet specific testing requirements. Apply appropriate access policies and callbacks within sequences to ensure flexibility and functionality. Understand how to manage register models and their access policies through built-in and user-defined sequences, ensuring seamless integration and reuse across various test scenarios.

Understand the different modes of prediction available in UVM and their practical applications in verification environments. Identify the characteristics of implicit, explicit, and passive prediction methods and evaluate their usage in various scenarios. Apply explicit prediction to enhance the YAPP register model by using appropriate configuration techniques. Learn how to manually trigger predictions from sequences or scoreboards, ensuring the accuracy and synchronization of verification models. Configure and connect predictor components using TLM analysis ports for improved model management.

Learn how to create and use register and memory sequences with API calls. Understand the difference between frontdoor and backdoor access and their effects on registers and memories. Access the DUT using read, write, peek, and poke methods. Manage and update register models using mirroring and prediction. Handle special cases like write-once or clear-on-write registers. Use efficient techniques for accessing multiple memory addresses with burst methods. Explore methods for syncing the DUT with the register model and vice versa.