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Green Hills unveils mobile multivisor Bernard Cole Santa Barbara, Ca. – Looking to grab a piece of the mobile computing and communications device market, Green Hills Software has just introduced its Integrity Multivisor, a multicore hypervisor for ARM Cortex-A9 MPCore processors. Build on the company's Integrity real-time operating system (RTOS), the Integrity Multivisor is designed to support multicore designs, reduce OEM costs through processor consolidation, and increase battery life with the use of intelligent multicore power management. It is designed to work with various proven versions of multimedia operating systems, such as Android and Linux. The hypervisor is a member of the family of Integrity Secure Virtualization (ISV) solutions. ISV solutions offer several approaches to virtualization in ARM-powered devices. They can use paravirtualization to host Android and other guest operating systems. Alternatively, ISV can host unmodified guest operating systems ("full" virtualization) by using advanced software virtualization techniques as well as hardware acceleration when available. In addition to virtualization, ISV can optionally be used as a secure execution mode for ARM TrustZone technology-enabled processors. Security-critical applications such as cryptographic algorithms and protocols used for DRM, critical financial transactions, and firmware authentication are isolated from the primary user environment by a combination of TrustZone hardware and Integrity software partitioning. To learn more, go to www.ghs.com.
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