Nios® V Processor Software Developer Handbook

ID 743810
Date 2/14/2023
Public

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8.5. Debugging Nios® V Processor ISRs

You can debug an ISR by setting breakpoints in the ISR. The debugger completely halts the processor on reaching a breakpoint. In the meantime, however, the other hardware in your system continues to operate. Therefore, it is inevitable that other interrupts are ignored while the processor is halted. You can use the debugger to step through the ISR code, but the status of other interrupt-driven device drivers is generally invalid by the time you return the processor to normal execution. You must reset the processor to return the system to a valid state.