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

机译:将第三方预启动固件与受信任的预启动固件隔离的方法

摘要

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.
机译:在一个实施例中,本发明包括一种方法,该方法用于确定是否存在隔离驱动程序并且处理器支持虚拟化,以不同于系统权限级别和用户权限级别的第一权限级别启动隔离驱动程序,创建1:1虚拟。使用隔离驱动程序在虚拟地址和物理地址之间进行映射,并使用隔离驱动程序控制对内存页的访问。描述和要求保护其他实施例。

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