2.9.12. Exception priorities

When multiple exceptions arise at the same time, a fixed priority system determines the order in which they are handled:

  1. Reset (highest priority).

  2. Data Abort.

  3. FIQ.

  4. IRQ.

  5. Prefetch Abort.

  6. BKPT, undefined instruction, and SWI (lowest priority).

Some exceptions cannot occur together:

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