ARMv9/v8 Power State Management Mechanism (PSCI Coordination Mechanism)

ARMv9/v8 Power State Management Mechanism (PSCI Coordination Mechanism)

ver0.1 Introduction In the previous article, we introduced the software architecture of the PSCI mechanism (including virtualization architecture). This architecture may seem simple, but it is not difficult at all, especially if you have a certain foundation. If you find it challenging, you should solidify your basics. In other words, if your boss asks you … Read more

ARMv9/v8 Power State Management Software Architecture (PSCI Architecture)

ARMv9/v8 Power State Management Software Architecture (PSCI Architecture)

ver0.2 Introduction We have begun to touch upon the software layer of power management. In this article, we will delve deeper into the internal architecture of power management software based on the previous discussion of power states. To facilitate more precise management, the hardware nodes of the SoC are divided into different power domains, each … Read more