SPRADS4 October   2025 TDA4VM

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Instructions
    1. 2.1 Scope
    2. 2.2 HWA Instruction Definition
    3. 2.3 Fault Injection Procedure
      1. 2.3.1 Block Diagram
      2. 2.3.2 Fault Injection: Steps
        1. 2.3.2.1 Underflow Error
        2. 2.3.2.2 Overflow Error
        3. 2.3.2.3 Offset Parity Error
        4. 2.3.2.4 Config Parity Error
          1. 2.3.2.4.1 A FSM Config Parity Error
          2. 2.3.2.4.2 B FSM Config Parity Error
          3. 2.3.2.4.3 C FSM Config Parity Error
          4. 2.3.2.4.4 X FSM Config Parity Error
        5. 2.3.2.5 C READ Error
        6. 2.3.2.6 C Write Error
  6. 3Flow Diagram
    1. 3.1 Code Changes
      1. 3.1.1 Return Hook Definition
      2. 3.1.2 Clear MMA Function
      3. 3.1.3 Sequence Test
  7. 4Summary
  8. 5References

4 Summary

This document focuses on sequence of MMA fault injection and exception handling on the c7x DSP core.

This document does not discuss the recovery of the exception to execute the regular flow of the code after the sequence of error injection is done.