Consistency checking of source instruction to execute previously translated instructions between copy made upon occurrence of write operation to memory and current version
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United States of America Patent
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May 7, 2013
Grant Date -
Feb 9, 2012
app pub date -
Feb 4, 2011
filing date -
Mar 30, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In one embodiment, after translating a plurality of target instructions from a target memory location into a plurality of host instructions, a write operation to a target memory portion which includes said target memory location is detected. In response to the detecting, a copy of the target instructions is stored in a host memory. In response to an attempt to execute the host instructions, the copy is compared with a plurality of current target instructions presently stored in the target memory location. Further, in response to a mismatch based on the comparison, the host instructions are disabled.
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