Liangxu Linux
Nov 21, 2021 · Fundamentals
Why Interrupts Matter: Unraveling CPU Interrupt Mechanisms and the IDT
This article explains how CPUs receive interrupt numbers through hardware, exceptions, or the INT instruction, describes the structure and purpose of the Interrupt Descriptor Table, and details the stack operations and control‑flow steps the processor performs to handle and return from an interrupt.
CPUIDTInterrupts
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