6/3/2002 - Green Hills Software today announced the immediate availability of its INTEGRITY™ 4.0 real-time operating system (RTOS) for the Intel XScale microarchitecture-based I/O processors, including the IOP310 processor chipset and IOP321 processor. INTEGRITY is a fast, deterministic, RTOS designed for applications that require high reliability, availability, security and a cost-effective business model. Utilizing the hardware memory protection facilities of the XScale MMU, INTEGRITY builds a firewall between the kernel and user tasks that prevents errant or malicious tasks from corrupting user data, the kernel, interprocess communications, device drivers and other user tasks. INTEGRITY also enhances reliability and determinism by running with interrupts continuously enabled and guaranteeing access to the CPU and memory for critical tasks. Other RTOS solutions do not offer this protection or security, leaving systems vulnerable to failure from errant application, viruses, and hackers.
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