PROCESSOR STATE DETERMINATION
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United States of America Patent
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Issued Date -
N/A
app pub date -
Jan 30, 2015
filing date -
Jan 30, 2015
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An example system includes a main processor operable in a normal mode or a trusted mode, the main processor having an embedded diagnostic trusted code executable in the trusted mode; a secure memory accessible by the main processor when the main processor is in the trusted mode and inaccessible to the main processor when the main processor is in the normal mode, wherein execution of the embedded diagnostic trusted code causes the main processor to write diagnostic information to the secure memory; and a monitor processor having access to the secure memory to analyze the diagnostic information to determine a state of the main processor.
First Claim
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