.. _hld-emulated-devices: Emulated Devices High-Level Design ################################## Full virtualization device models can typically reuse existing native device drivers to avoid implementing front-end drivers. ACRN implements several fully virtualized devices, as documented in this section. .. toctree:: :maxdepth: 1 usb-virt-hld UART Virtualization Watchdog Virtualization AHCI Virtualization System Timer Virtualization UART Emulation in Hypervisor RTC Emulation in Hypervisor hostbridge-virt-hld AT Keyboard Controller Emulation Split Device Model Shared Memory Based Inter-VM Communication