Method and system for replacing a read-modify-write operation with an atomic set-bits or clear-bits operation
US7174405B1 · kind B1 · utility
5Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2003 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Jul 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/4243
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system for updating registers by performing an atomic read-modify-write operations initiated by a host over a host/daughtercard bus. A field in the write command determines whether data included in the write command is written to a targeted register or used as a mask to set or clear selected bits in a word held in the targeted register.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.