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//Initialize DA-FIS System
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BEGIN
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Initialize FPGA System (Xilinx Zynq-7000)
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Load Benchmark Workloads (Bubble Sort, 4-bit Adder, etc.)
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Configure Clock Generator (100 MHz)
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Initialize Memory (SRAM/DDR3)
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Setup UART Debugging & GPIO Monitoring
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END
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//DA-FIS Architecture Setup
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//Adaptive Fault Injection Model
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BEGIN
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Configure LFSR-Based Fault Generator
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SET LFSR_Polynomial ← Select Feedback Polynomial
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SET Fault_Seed ← Random Initial Value
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SELECT Fault_Type ← {SEU, MBU, Burst}
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SET Injection_Rate ← Adaptive based on FPGA Workload
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END
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//Multi-Bit Fault Injection Logic
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BEGIN
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WHILE FPGA is Running DO
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SELECT Target Circuit (Adder, Multiplier, Counter, etc.)
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IDENTIFY Critical Flip-Flops & Memory Cells
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MASK Non-Critical Regions
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IF (Fault_Type = SEU) THEN
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Inject Single-event Fault at Target Location
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ELSE IF (Fault_Type = MBU) THEN
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Inject Multi-Bit Fault in Adjacent Memory Cells
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ELSE IF (Fault_Type = Burst) THEN
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Inject Consecutive Errors in Timing Sequence
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END IF
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END WHILE
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END
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//Configurable Fault Injection Control
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BEGIN
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SET Fault_Enable ← TRUE
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WHILE Fault_Enable DO
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Inject Faults into FPGA Logic
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Monitor Error Propagation
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IF (Fault Impact > Threshold) THEN
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Log Error and Adjust Injection Rate
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END IF
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END WHILE
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END
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//Fault Injection Sequence Execution
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BEGIN
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SELECT Fault Model (SEU, MBU, Burst)
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WHILE Experiment is Running DO
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GENERATE Fault Pattern using LFSR
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INJECT Fault into Target Circuit
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MONITOR FPGA Output for Fault Impact
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IF (Fault Detected) THEN
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LOG Error into Fault Database
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END IF
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END WHILE
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END
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//Experimental Execution and Performance Analysis
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BEGIN
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FOR EACH Benchmark Circuit (Bubble Sort, Adder, Multiplier, Counter) DO
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RESET FPGA Configuration
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ACTIVATE Fault Injection
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RUN FPGA Workload
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RECORD Fault Occurrences
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MEASURE Fault Injection Speed, Error Propagation
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COMPARE DA-FIS Results with {BUFIT, DPR, SCFIT}
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END FOR
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GENERATE Performance Report
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END
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//Fault Logging and System Analysis
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BEGIN
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OPEN Fault_Log_File
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WRITE Fault Type, Target Circuit, Injection Rate, Error Impact
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CLOSE Fault_Log_File
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DISPLAY Fault Summary on PC via UART
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END
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