Guarded regions for controlling memory access
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United States of America Patent
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Jun 30, 1987
Grant Date -
N/A
app pub date -
Aug 17, 1984
filing date -
Aug 17, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a virtual memory system, a guarded region allows access to protected code and data without intervention from a processor's operating system by redefining regions of an address space with reference to gates indicating points of entry for those regions. A non-hierarchial access path in the form of a tree-like structure permits a process to access resources and data while controlling access thereto and return therefrom.
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