Set of system configuration registers having shadow register
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United States of America Patent
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Jul 31, 2012
Grant Date -
Jan 20, 2011
app pub date -
Jul 15, 2009
filing date -
Jul 15, 2009
priority date (Note) -
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Abstract
A processor is disclosed having a plurality of general purpose registers for storing data for processing by the processor; a set of system configuration registers for storing data indicative of a current configuration of the processor; the system configuration registers being located together in a register file; and at least some of the set of system configuration registers having a shadow register for storing a duplicate value remote from the register file, the shadow register being located close to a component that the shadow register stores a configuration value for.
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