Mar 3, 2025 · Fundamentals

Understanding KVM Hyp Mode Memory Mapping Initialization

This article walks through the step‑by‑step initialization of KVM's hyp mode memory mapping on ARM64, covering EL2 register setup, identity mapping, page‑table allocation, stack preparation, and code section mappings required for a functional hypervisor environment.

ARM64EL2KVM

0 likes · 13 min read

Understanding KVM Hyp Mode Memory Mapping Initialization

Linux Kernel Journey

Feb 9, 2025 · Fundamentals

Analyzing KVM Mode Switching: How the Initialization Infrastructure Works

The article provides a detailed technical analysis of Linux 5.9 on arm64 KVM, explaining how Host and Guest OSes are distinguished at EL1, how HCR_EL2 flags control mode switching, and how the EL2 exception vector and related registers are initialized during Linux boot to enable KVM virtualization.

ARM64EL2KVM

0 likes · 15 min read

Analyzing KVM Mode Switching: How the Initialization Infrastructure Works