Patent Number: 7,827,371

Title: Method for isolating third party pre-boot firmware from trusted pre-boot firmware

Abstract: In one embodiment, the present invention includes a method for determining if an isolation driver is present and a processor supports virtualization, launching the isolation driver in a first privilege level different than a system privilege level and user privilege level, creating a 1:1 virtual mapping between a virtual address and a physical address, using the isolation driver, and controlling access to a memory page using the isolation driver. Other embodiments are described and claimed.

Inventors: Yao; Jiewen (Shanghai, CN), Zimmer; Vincent J. (Federal Way, WA), Long; Qin (Shanghai, CN), Cui; Liang (Shanghai, CN)

Assignee: Intel Corporation

International Classification: G06F 12/00 (20060101)

Expiration Date: 2019-11-02 0:00:00