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Context tracking for multiple virtualization layers in a virtually tagged cache
Context tracking for multiple virtualization layers in a virtually tagged cache
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机译:在几乎标记的缓存中对多个虚拟化图层进行上下文跟踪
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摘要
A system of handling electronic information having a virtually tagged cache having a directory and a plurality of entries containing data, the directory containing multiple entries, each entry configured to comprise at least a virtual address and one of a plurality of context tags, wherein each context tag is an encoding for one of a plurality of layers of address space; a context tag table having a plurality of entries, each entry configured to map one of the plurality of context tags to one of the plurality of layers of space; and a scratch register containing a current context tag for a current layer of address space on which the processor is operating. The virtually tagged cache is configured to preserve information in the virtually tagged cache when performing a context switch in the system.
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