Avoiding deadlock by storing non-posted transactions in an auxiliary buffer when performing posted and non-posted bus transactions from an outbound pipe
US6243781A · kind A · utility
30Cited by
12References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 3, 1998 |
| Grant date | Jun 5, 2001 |
| Priority date | — |
| Expiry date | Dec 3, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/4036
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.