Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-03-03
1999-05-11
Kulik, Paul V.
Data processing: database and file management or data structures
Database design
Data structure types
707103, 395284, 395828, G06F17/30
Patent
active
059038942
ABSTRACT:
A hierarchical data structure is created in dynamic memory that is dynamically expanded or modified during run-time operations of the computer system. Information about the devices is loaded from a definition block into the hierarchical data structure. The information is a byte stream of data that is translated and stored as hierarchical information, such as device objects, data objects, and control method objects. These objects are hierarchically nested within the hierarchical data structure. A device object identifies a corresponding device in the computer system. The hierarchy formed between device objects represents the hierarchical I/O connections within the computer system. A data object identifies configuration and hardware dependency information associated with a corresponding device. A control method object is an executable reference for controlling a corresponding device. The control method object is a sequence of pseudocode instructions interpreted by the operating system providing an abstract, extensible, and portable mechanism for precise control of a device without calling routines from the BIOS.
The hierarchical data structure is preferably used by the operating system as a communication tool and reference to identify devices, to identify configuration and power management information about devices, to provide an executable control mechanism that is abstract and extensible to control devices, and to extensibly add functionality to a device.
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Kulik Paul V.
Microsoft Corporation
Wallace, Jr. Michael J.
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