Interprocessor communication system for direct processor to processor communication between internal general purpose registers transparent to the execution of processors thereof
US5440689A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1993 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | Dec 3, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/17
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for direct interprocessor communication in a multiprocessor data processing environment. The system utilizes conventional direct data transfer means and existing I/O port instruction capabilities available on most microprocessors. A destination processor requiring data from one of a source processor's internal registers generates a unique address which specifies the register containing the required data. The address is sent to the data transfer means, causing the direct transfer of data from the designated source processor internal register to the destination processor. Specific circuitry to accomplish this direct data transfer function is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.