Green Hills Rolls Out Latest velOSity Microkernel and INTEGRITY RTOS

8/3/2004 - Green Hills Software, Inc., the market leader in embedded software development tools and royalty-free Real-Time Operating Systems (RTOS), introduced version 5.0 of its velOSity microkernel and INTEGRITY RTOS. Significant additions in velOSity and INTEGRITY 5.0 include enhancements for automotive, resource-constrained and multiprocessing applications and support for easier porting from legacy kernels. INTEGRITY 5.0 has been certified under the “POSIX®: Certified by IEEE and The Open Group” program to the 1003.1TM-2003 System Interfaces Product Standard and is listed on the certification register at

“Green Hills Software has received certification while some other RTOS vendors are just beginning to talk about POSIX,” commented Dan O’Dowd, founder and CEO of Green Hills Software. “POSIX System Interfaces and the other major upgrades in velOSity and INTEGRITY 5.0 demonstrate Green Hills Software’s commitment to providing embedded software developers with the most advanced RTOS technology and development environment—enabling our customers to get to market first with the highest performance, most reliable, most secure and lowest cost electronic products.”

Major 5.0 Features
Significant enhancements in the 5.0 release of the velOSity microkernel and INTEGRITY RTOS include:

Scalable POSIX Implementation
In addition to the certified IEEE 1003.1 (POSIX.1) System Interfaces in the INTEGRITY RTOS, velOSity 5.0 also includes significantly enhanced POSIX compliance. The velOSity microkernel provides all the POSIX interfaces in INTEGRITY 5.0 that do not depend on the use of a hardware Memory Management Unit (MMU). The velOSity and INTEGRITY family provides a migration path for applications that do not need full POSIX.1 System Interfaces conformance or the additional reliability and security provided by the INTEGRITY RTOS today, but may take advantage of them in the future. The velOSity and INTEGRITY combination also allows device manufacturers to share source code across products with different underlying manufacturing cost, reliability and security requirements.

“The seamless scalability between the velOSity microkernel and INTEGRITY RTOS gives a tremendous amount of flexibility to POSIX developers,” noted David Kleidermacher, vice president of Engineering for Green Hills Software. “With the velOSity microkernel, developers can deploy applications developed using pure POSIX interfaces on highly resource-constrained systems that may not have an MMU. With the INTEGRITY RTOS, they can run the identical application and use the identical development environment while taking advantage of full memory protection and secure partitioning for the utmost in reliability and security.”

Both velOSity and INTEGRITY 5.0 are available now for ARM, ColdFire, MIPS, PowerPC, StrongArm, x86/Pentium and XScale target processors. For Blackfin processors, velOSity 5.0 is available now and INTEGRITY 5.0 will be available in fourth quarter 2004. Development is supported from Windows, Linux, Solaris and HP-UX hosts.

INTEGRITY 5.0 was certified under the “POSIX: Certified by IEEE and The Open Group” program on a Freescale MCP750-HA PowerPC processor. The INTEGRITY RTOS will be certified on other platforms as required by customers.

About velOSity and INTEGRITY
The velOSity microkernel is small, fast and royalty-free, making it ideal for cost-sensitive and resource-constrained applications. Built on the velOSity microkernel, the INTEGRITY RTOS provides embedded applications with total reliability and absolute security. The INTEGRITY RTOS is securely partitioned, guaranteeing each task the resources it needs to run correctly and fully protecting the operating system and user tasks from errant and malicious code, including denial of service attacks, hackers, worms and Trojan horses.

The velOSity microkernel and INTEGRITY RTOS share a rich set of device drivers, Board Support Packages and middleware, including IPv4, IPv6, IPsec, SSL, SSH, Web server, CORBA and graphics. Both are also tightly integrated with Green Hills Software’s industry-leading MULTI development environment. Common tools and programming interfaces enable seamless migration from the velOSity microkernel to the INTEGRITY RTOS, providing embedded software developers with unprecedented scalability.

About Green Hills Software
Founded in 1982, Green Hills Software Inc. is the technology leader for real-time operating systems and software development tools for 32- and 64-bit embedded systems. Our royalty-free INTEGRITY RTOS, velOSity microkernel, compilers, MULTI and AdaMULTI Integrated Development Environments and TimeMachine debugger, offer a complete development solution that addresses both deeply embedded and high-reliability applications. Green Hills Software is headquartered in Santa Barbara, CA, with European headquarters in the United Kingdom. Visit Green Hills Software on the web at

Green Hills Software, the Green Hills logo, MULTI, INTEGRITY, velOSity, AdaMULTI and TimeMachine are trademarks or registered trademarks of Green Hills Software, Inc. in the U.S. and/or internationally. POSIX is a registered trademark and 1003.1 is a trademark of the Institute of Electrical and Electronic Engineers, Inc. UNIX is a registered trademark and The Open Group is a trademark of The Open Group in the U.S. and other countries.

North American Sales Contact:
Green Hills Software, Inc.
30 West Sola Street,
Santa Barbara, CA 93101,
Tel: 805-965-6044
Fax: 805-965-6343

International Sales Contact:
Green Hills Software Ltd.
Dolphin House, St. Peter Street
Winchester Hampshire SO23 8BW,
United Kingdom
Tel: +44 (0)1962 829820
Fax: +44 (0)1962 890300

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