Nios® II Processor Reference Guide

ID 683836
Date 10/22/2020
Public
Document Table of Contents

3.7.5.3. Returning From a Break

After processing a break, the break handler releases control of the processor by executing a bret instruction. The bret instruction restores status by copying the contents of bstatus and returns program execution to the address in the ba register (r30) in the normal register set. Aside from bt and ba, all registers are guaranteed to be returned to their pre-break state after returning from the break handler.

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