Authorization mechanism for establishing addressability to information in another address space
US4430705A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 1980 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | May 23, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Permits one program in one address space to obtain access to data in another address space without invoking a supervisor. Each of a plurality of address spaces assigned an Address Space Number (ASN) has an associated set of address translation tables. Addressability to a second address space may be specified by a program if authorized in accordance with the entry of an authority table associated with the second address space, the entry being designated by an authorization index associated with the program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.