Abstract
With the rapidly development of personal computer hardware,to construct multiple isolated computing domains through virtualization technology has already become a future direction of PC. To avoid the difficulties caused by implementing VMM on traditional IA-32 architecture through software virtualization technology,the authors designed and implemented a VMM based on Intel VT-x technology — Pcanel/V2. Pcanel/V2 utilizes the latest hardware virtualization technology to configure a controllable virtual execution environment and run multiple operating systems directly without any modification of source code. While the accesses to hardware resources by the guest operating system are monitored,various sensitive situations which occur in the guest operating system can also be handled correspondingly by Pcanel/V2. Concurrent execution of Linux and VxWorks on Pcanel/V2 has been realized and corresponding evaluation results show that Pcanel/V2 architecture simplifies the complexity of the design process while increasing the overall performance by approximately 10% compared to software virtual technology.
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