ARMv8/v9-GIC Interrupt Virtualization Architecture and Working Principles

ARMv8/v9-GIC Interrupt Virtualization Architecture and Working Principles

ver0.1 Introduction Before diving into the main topic of this article, we will introduce the subject of CPU virtualization to lay the groundwork. The purpose of the system issuing an interrupt signal is to send notifications from devices to the CPU (PE-Core). In a virtualized system, each VM runs on a vCPU, which determines that … Read more