Virtually addressed cache
US4612612A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1983 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Aug 30, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1063
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a data processing system including virtual-addressed and real-addressed stores. One store is addressed with real addresses and the other store is addressed with virtual addresses. Whenever an addressed location is to be accessed in a store addressed by the other type of addresses, the address is translated to the other type of address. If a virtual address cannot access the desired location in the virtual store, the virtual address through a virtual-to-real translator is translated to a real address and the location is addressed in the real store. Whenever a real address needs to access a virtual address location in the virtual-addressed store, the real address is converted through a real-to-virtual translator in order to locate corresponding locations in the virtual-addressed memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.