Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Reexamination Certificate
2007-03-20
2007-03-20
Cao, Chun (Department: 2115)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
Reexamination Certificate
active
10746576
ABSTRACT:
A system and method for sharing pre-boot data with agents in the operating system (OS) runtime is disclosed. The disclosed system and method provides a means by which one may be able to provide access to firmware data in the OS runtime without assuming the OS provides non-volatile (NV) variable abstractions. The disclosed system and method leverages Advanced Configuration and Power Interface (ACPI) constructs to achieve the same result for firmware data propagation into the OS runtime. A descriptor table is constructed which describes the location of the system table. The OS application is provided a pointer to the descriptor, which allows it access to firmware (pre-boot) resources.
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Rothman Michael A.
Zimmer Vincent J.
Cao Chun
Stutman-Horn Joni D.
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