Question: Explain the image When an exception handler is invoked, the IOPL is changed to 00 for the duration of execution of the handler until IRET

Explain the image When an exception handler is invoked, the IOPL

Explain the image

When an exception handler is invoked, the IOPL is changed to 00 for the duration of execution of the handler until IRET instruction is executed Real mode Event Protected mode IRET, POPE Execute trusted code with any instructions Execute user code with non- privileged instructions = = interrupt, fault, trap

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