Product category: Embedded Software and Operating Systems
News Release from: Green Hills Software | Subject: Integrity for ARM
Edited by the Electronicstalk Editorial Team on 14 March 2002
RTOS makes full use
of ARM memory management
Green Hills Software has released its fault-tolerant royalty-free Integrity real-time operating system for high-availability embedded systems based on the ARM family of processors
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The new RTOS supports the ARM720T core, the ARM920T core, and the ARM922T cores, as well as the ARM architecture-compliant Intel XScale microarchitecture. Providing full memory protection and guaranteed resource availability, Integrity offers a secure, ultra-reliable, high-performance target environment for deploying embedded ARM applications in a variety of networked, consumer electronics products.
Most ARM processors include a memory management unit that can protect user tasks from each other and can prevent unintended access to a kernel.
However, very few RTOS products for ARM support the MMU.
As a result, these RTOS products offer no protection against errant code.
Further reading
Defence contractor deploys Integrity RTOS
Saab Bofors Dynamics has selected the Green Hills Software Integrity RTOS, networking middleware and Ada-MULTI integrated development environment (IDE) for the next phase of its RBS15 project
RTOS and tool range supports ARM Cortex family
The entire Green Hills Software product suite is now available for the ARM Cortex family of processors
This lack of protection can allow application bugs to affect the application and to continue through the entire system leading, ultimately, to a kernel crash.
In contrast, Integrity features a totally different architecture that provides full support for the ARM MMU, offering protection for today's security-focused network environment.
Through standard and optional add-in components, Integrity provides comprehensive I/O and file system support, including a USB stack, NFS client, drivers for I2C, CompactPCI/VMEbus backplanes, clocks, timers, and standard PC peripherals, and a full-featured, Unix-compatible, hierarchical file system.
Networking support includes a TCP/IP stack, gigabit Ethernet driver, and the full line of Trillium communications protocols, including SS7, ATM, ISDN, Frame Relay, MPLS, VoIP and 3G wireless.
Integrity also supports the full line of InterNiche and Allegro embedded Internet products, which make it easy to add web connectivity and management to embedded systems.
Integrity is tightly integrated with the Green Hills Multi integrated development environment and works with a variety of popular ARM core-based evaluation boards, including Cirrus Logic's EDB72xx board based on the ARM720T core, Sharp's reference board based on the ARM922T core, and Intel's IQ80310 XScale board.
Green Hills also offers a porting kit and turnkey porting services for designers who want to port Integrity to other platforms.
(This was Electronicstalk's Top Story on 14 March 2002) Request a free brochure from Green Hills Software....
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