Method and system for providing a trusted flash boot source

摘要

A method and system for evaluating a boot source in a computer system having a processor is disclosed. The method and system include determining the boot source used by the processor each time the computer system boots and allowing the boot source to be specified once as a known boot source. The boot source is determined by storing an identity of the boot source in a first register. The boot source can be specified once as a known boot source in a second register.