Exception Priority - 2025.1 English - UG984

MicroBlaze Processor Reference Guide (UG984)

Document ID
UG984
Release Date
2025-05-29
Version
2025.1 English

When two or more exceptions occur simultaneously, they are handled in the following order, from the highest priority to the lowest:

  • Instruction Bus Exception
  • Instruction TLB Miss Exception
  • Instruction Storage Exception
  • Illegal Opcode Exception
  • Privileged Instruction Exception or Stack Protection Violation Exception
  • Data TLB Miss Exception
  • Data Storage Exception
  • Unaligned Exception
  • Data Bus Exception
  • Divide Exception
  • FPU Exception
  • Stream Exception