Avoiding deadlock by storing non-posted transactions in an auxiliary buffer when performing posted and non-posted bus transactions from an outbound pipe
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United States of America Patent
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Jun 5, 2001
Grant Date -
N/A
app pub date -
Dec 3, 1998
filing date -
Dec 3, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a bus resource having an outbound pipe for processing both non-posted and posted transactions in a FIFO manner, a rejected non-posted transaction at the head of the outbound pipe is moved aside and into an auxiliary buffer to avoid a potential blockage of the outbound pipe. The auxiliary buffer is for holding transaction information and return data of the rejected non-posted transaction. The rejected transaction is eventually completed from the auxiliary buffer as determined by an arbiter.
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