Interconnect Address Remapper With Event Detection and Region Registers
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Solution Overview
Problem
Conventional processor architectures lack efficient mechanisms for dynamic address translation and non-intrusive event detection in interconnect systems, which hinders operational flexibility and debugging capabilities.
Innovation Solution
Implementing an interconnect address remapper with event recognition and configurable translation regions, including interrupt signaling and a monitor interface, to facilitate dynamic address translation and event detection, optimizing register and circuitry usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional processor architectures are used without address remapping, then device complexity is reduced, but operational flexibility and debugging capabilities deteriorate
Solution Approach 1:
An address remapper component is introduced as an intermediary between the processor core and memory system. This remapper translates addresses dynamically without requiring changes to the core processor architecture, thereby improving operational flexibility while isolating the added complexity to a dedicated translation layer rather than propagating it throughout the entire system.
Solution Approach 2:
The address translation function is segmented into discrete translation regions, each with configurable address ranges and mapping rules. This segmentation allows the system to enable only the necessary translation regions for specific debugging or operational scenarios, reducing the effective complexity activated at any given time while maintaining the capability for comprehensive address remapping when needed.
2Difficulty of detecting and measuring
If address remapping functionality is added to enhance debugging capabilities, then debugging capabilities improve, but device complexity increases
Solution Approach 1:
The address remapper serves as a debugging intermediary that transparently translates addresses during debugging sessions. Debugging tools can monitor and control remapping behavior through register interfaces without directly interacting with the complex translation logic, effectively improving debugging capabilities while shielding the overall system from the full burden of the added complexity.
Solution Approach 2:
The remapper includes status flags and interrupt mechanisms that provide feedback about translation operations. This feedback system allows debugging tools to detect and measure remapping behavior, address translation hits and misses, and regional access patterns, thereby enhancing debugging capabilities through structured information flow rather than requiring direct inspection of complex internal logic.
3Adaptability or versatility
If multiple translation regions are implemented for dynamic address translation, then operational flexibility improves, but device complexity increases
Solution Approach 1:
The address space is divided into multiple independent translation regions, each configured with specific address ranges and mapping parameters. This segmentation enables the system to activate only the regions relevant to current operational needs, achieving high operational flexibility while managing complexity through modular, independently controllable translation units rather than a monolithic address translation system.
Data Source
AI summary
Systems and methods are disclosed for a configurable interconnect address remapper with event detection. For example, an integrated circuit can include a processor core configured to execute instructions. The processor core includes region registers defined by a From Address range and a To Address, a register storing a number of regions defined in the integrated circuit, interrupt enable registers associated with each pair of region registers, and event flags associated with each pair of region registers; an interconnection system handling transactions from the processor core; an interconnect address remapper translating an address associated with a transaction using the one or more pair of region registers; and an interrupt controller receiving an interrupt signal from the interconnect address remapper when the interrupt enable registers are enabled and at least one raised event flags when at least one of the one or more pair of region registers matches the transaction address.