Automated Test-Trace Inspection for Microcontroller Binary Code
This paper presents a non-intrusive framework for runtime verification of executable microcontroller code. A dedicated hardware unit is attached to a microcontroller, which executes the program under scrutiny, to track atomic propositions stated as assertions over program variables. The truth verdicts over the assertions are the inputs to a custom-designed μCPU unit that evaluates past-time LTL specifications in parallel to program execution. To achieve this, the instruction set of the μCPU is tailored to determining satisfaction of specifications.
KeywordsAtomic Proposition Data Memory Logic Cell Runtime Verification Hardware Circuit
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