Question: Some processors, before servicing an interrupt, automatically save all register contents. Others automatically save only a limited amount of information. In the second case, how

Some processors, before servicing an interrupt, automatically save all register contents. Others automatically save only a limited amount of information. In the second case, how can we be sure that all critical data are saved and restored? What are the advantages and disadvantages of each of these approaches?

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In processors that automatically save all register contents before servicing an interrupt the hardware is responsible for saving and restoring all the registers ensuring that no critical data is lost ... View full answer

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