Recording in a program execution profile references to a memory-mapped active device
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United States of America Patent
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May 28, 2002
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N/A
app pub date -
Oct 28, 1999
filing date -
Jan 28, 1999
priority date (Note) -
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Abstract
A method and a computer for execution of the method. As part of executing a stream of instructions, a series of memory loads is issued from a computer CPU to a bus, some directed to well-behaved memory and some directed to non-well-behaved devices in I/O space. Computer addresses are stored of instructions of the stream that issued memory loads to the non-well-behaved memory, the storage form of the recording allowing determination of whether the memory load was to well-behaved memory or not-well-behaved memory without resolution of any memory address stored in the recording.
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