Boot Controller Initialization Trace Monitoring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current computing devices face challenges in monitoring and tracing their initialization processes, making it difficult to identify and address improper initialization, which can lead to operational failures or security vulnerabilities.
Innovation Solution
A boot controller is integrated with non-volatile memory modules to monitor and generate traces of the initialization process, allowing for validation and replay of initialization sequences, thereby ensuring proper initialization and enhancing security against attacks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a comprehensive initialization process is performed on all hardware components, then the computing device reaches an operable state, but the initialization process becomes complex and difficult to track
Solution Approach 1:
The patent introduces a trace file that is created before initialization and populated with expected values during the initialization process. This preliminary structure allows the system to track what should happen without adding complexity to the actual initialization logic, resolving the contradiction between comprehensive initialization and process complexity
Solution Approach 2:
The patent uses an intermediary trace comparison mechanism that separates the initialization execution from the verification process. The trace file acts as a mediator between the initialization code and the validation process, allowing comprehensive tracking without complicating the initialization flow itself
2Measurement precision
If initialization processes are monitored and traced, then improper initialization can be detected, but the monitoring and tracing mechanisms increase system complexity
Solution Approach 1:
The initialization code automatically populates the trace file with expected values during its execution. The system monitors itself without requiring external monitoring infrastructure, achieving precise tracking while minimizing added complexity through self-service mechanisms
Solution Approach 2:
The patent creates a copy of the expected initialization sequence in the trace file, which can be compared against actual execution. This copying approach enables precise monitoring by comparing expected vs. actual behavior without requiring complex real-time analysis of the initialization process
3Reliability
If the initialization process is extensive and sequential, then all hardware components are properly initialized, but the initialization time increases
Solution Approach 1:
The patent enables selective replay of initialization traces, allowing the system to perform only the necessary initialization steps rather than always executing the complete sequential process. This partial action approach reduces initialization time while maintaining reliability by replaying only what is needed
Solution Approach 2:
By pre-populating the trace file with expected values and sequences, the system prepares initialization data in advance. This allows for faster validation and selective replay, reducing the time required for comprehensive initialization while maintaining completeness through the pre-prepared trace information
Data Source
AI summary
Platform controller, computer-readable storage media, and methods associated with initialization of a computing device. In embodiments, a platform controller may comprise a boot controller and one or more non-volatile memory modules, coupled with the boot controller. In embodiments, the one or more non-volatile memory modules may have first instructions and second instructions stored thereon. The first instructions may, when executed by a processor of a computing device hosting the platform controller, cause initialization of the computing device. The second instructions, when executed by the boot controller, may cause the boot controller to monitor at least a portion of the execution of the first instructions by the computing device and may generate a trace of the monitored portion of the execution of the first instructions. In embodiments, the trace may be stored in the one or more non-volatile memory modules. Other embodiments may be described and/or claimed.