Secure operating system switching
US7950020B2 · kind B2 · utility
10Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2007 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Mar 23, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45583
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus is disclosed herein for secure operating system switching. In one embodiment, the method comprises identifying a second operating system of a plurality of operating systems that is to be active next; causing a memory access controller to enable exclusive access to a portion of memory for the second operating system once the second operating system becomes active; and causing the second operating system to become active.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.