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Open Virtualization's SierraVisor and SierraTEE
Open Virtualization maintains SierraVisor, a hypervisor for ARM-based systems, and SierraTEE, a Trusted Execution Environment (TEE) for
ARM TrustZone hardware security extensions.
SierraVisor Hypervisor
The SierraVisor Hypervisor allows multiple operating systems, such as Linux, BSD, Android, and other real-time operating systems to run
concurrently on any TrustZone-enabled ARM11 or Coretex-A9 device.
SierraVisor Benefits
- Accelerates time-to-market by eliminating application porting efforts
- Allows legacy operating systems to run simultaneously with other platforms
- Reduces hardware costs by consolidating functions on a single device
- Secures sensitive data with a Trusted Execution Environment (TEE) available for every guest operating system
SierraTEE Trusted Execution Environment
SierraTEE uses TrustZone security extensions to protect the secure kernel and peripherals from code running
in the primary operating system. This means that even if an attacker manages to obtain full supervisor privileges to the primary operating system,
the attacker cannot gain access to the secure kernel.
SierraTEE Benefits
- Supports ARM11, Cortex-A9, and Cortex-A15 processors
- Integrates with Android, Linux, BSD and other "normal world" operating systems
- Offers a small footprint to minimize memory and system overhead
- Complies fully with GlobalPlatform TEE specifications
Sierraware, an embedded virtualization company,
developed and maintains the Open Virtualization Project.
 
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