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    • 9. 发明授权
    • Method for representing root busses using object oriented abstractions
    • 使用面向对象抽象代表根总线的方法
    • US07228263B2
    • 2007-06-05
    • US09802787
    • 2001-03-08
    • Rahul KhannaAndrew J. Fish
    • Rahul KhannaAndrew J. Fish
    • G06F13/10
    • G06F13/4027
    • A method for representing root busses and their subordinate bus configurations using an object oriented abstraction scheme that enables various system components to communication with peripheral devices attached to the root busses and their subordinate busses without requiring specific knowledge of the access mechanisms of those devices. During the initialization process of a platform, a core dispatcher loads a PCI bus plug-in (PPI) for each entity that can create a root bus. When the plug-in for an entity is loaded, it produces a GUIDed object called a GRB (GUID of PPI for Root Bus) that provides an abstracted representation of the root buss's configuration and resources. The GRB includes a plurality of components including driver methods that are registered with the core authority, which then publishes the GRB to enable access to the methods and resources. An enumeration process is performed on each root bus in a system to determine its configuration and resources through use of the methods.
    • 一种使用面向对象的抽象方案来表示根总线及其下属总线配置的方法,其使得各种系统组件能够与附加到根总线及其下级总线的外围设备通信,而不需要这些设备的访问机制的特定知识。 在平台的初始化过程中,核心调度员为可以创建根总线的每个实体加载PCI总线插件(PPI)。 当加载了一个实体的插件时,它会生成一个名为GRB(根总线的PPI的GUID)的GUID对象,该对象提供了根总线配置和资源的抽象表示。 GRB包括多个组件,包括向核心机构注册的驱动程序方法,然后发布GRB以访问方法和资源。 在系统中的每个根总线上执行枚举过程,以通过使用方法来确定其配置和资源。