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Problem 5 a)                   What is the basic action the processor must perform when an exception occurs?...

Problem 5

a)                   What is the basic action the processor must perform when an exception occurs?

b)                 To implement the exception system used in the MIPS architecture, what are the two additional registers that we need to add to our MIPS implementation? Describe the two registers.

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Answer #1

a).Exception is a unexpected event within the processor a basic action the processor must perform when an exception occurs is for reserving address of offending instruction in EPC , later transfer for operating system over a part of described address.

b).Exception Program Counter(applied to sustain address of influenced instructions) and Cause(exercised for noticing the exception generated) are the two registers need to add.Both are 32 bit registers.

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