Plural operating systems having interrupts for all operating systems processed by the highest priority operating system
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United States of America Patent
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-
Oct 7, 2008
Grant Date -
Oct 14, 2004
app pub date -
Sep 22, 2003
filing date -
Apr 9, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Multiple different operating systems are enabled to run concurrently on the same computer. A first operating system is selected to have a relatively high priority (the realtime operating system, such as C5). At least one secondary operating system is selected to have a relatively lower priority (the general purpose operating system, such as Linux). A common program (a hardware resource dispatcher similar to a nanokernel) is arranged to switch between these operating systems under predetermined conditions and modifications are provided to the first and second operating systems to allow them to be controlled by the common program.
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