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INTEGRITY-178 tuMP RTOS Enters Verification Phase for Multicore DO-178C DAL A Assurance on Intel Tiger Lake

SANTA BARBARA, Calif. and ANDOVER, Mass., June 17, 2024 /PRNewswire/ -- Green Hills Software and Mercury Systems (Nasdaq: MRCY) announced today that they have entered the verification phase for providing DO-178C and AC 20-193 (formerly CAST-32A) airworthiness evidence for the INTEGRITY®-178 tuMP™ safety-critical real-time operating system (RTOS) running on quad-core 11th Gen Intel® Core™ i7 processors (formerly Tiger Lake). This phase follows the successful delivery of the customer-specific Plan for Software Aspects of Certification (PSAC). The successful PSAC sets INTEGRITY-178 tuMP on the path to becoming the first operating system certified on that processor for DO-178C DAL A and multicore objectives. The first customer for the multicore Tiger Lake assurance package is a US Army aviation program of record, and other programs can adopt the same solution with reduced risk and faster time-to-deployment. Complete SOSA™ aligned development systems are available now, and production systems are expected by the end of next year.

Green Hills Software logo (PRNewsfoto/Green Hills Software)
Green Hills Software logo (PRNewsfoto/Green Hills Software)

The FACE®-conformant INTEGRITY-178 tuMP RTOS has been available for 11th Gen Intel Core i7 processors since 2021. Mercury selected INTEGRITY-178 tuMP for its unparalleled pedigree of both airborne safety and security certifications. That pedigree includes the only civil multicore certification to DO-178C and AC 20-193/CAST-32A objectives, as well as its certified conformance to the FACE Technical Standard, its high multicore utilization, and its low cost over the full life cycle of the program.

"Mercury's MOSA-aligned safety-critical mission computers based on SOSA and FACE open standards enable seamless integration of newer, more advanced technology across all aircraft," said Roya Montakhab, Senior Vice President and General Manager of Integrated Processing Solutions at Mercury. "The Green Hills FACE-certified INTEGRITY-178 tuMP RTOS is a critical component for our DAL A architecture and provides a low-risk path to multicore certification, which supports multiple applications through a converged architecture and speeds capability deployment."

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"Green Hills Software is excited to be developing certification software life-cycle data for our unique DAL A multicore solution on the 11th Gen Intel Core i7 processors," said Dan O'Dowd, founder and CEO of Green Hills Software. "Whereas other companies have claimed to have a multicore certification, only INTEGRITY tuMP has passed a true DAL A civil certification to DO-178C multicore objectives."

The INTEGRITY-178 tuMP safety-critical RTOS from Green Hills Software is the only operating system to be part of a successful multicore certification to DO-178C and AC 20-193/ CAST-32A objectives. INTEGRITY-178 tuMP is also the only RTOS that has been used in a certification to NSA's "Raise the Bar" set of security standards for cross domain systems (CDS), and it is capable of hosting multi-level security (MLS) applications. INTEGRITY-178 tuMP is a multicore RTOS with support for running a multi-threaded DAL A application across multiple processor cores in symmetric multi-processing (SMP) or bound multi-processing (BMP) configurations, as well as supporting the more basic asymmetric multi-processing (AMP). INTEGRITY-178 tuMP was the first RTOS to be certified conformant to the FACE Technical Standard, edition 3.0, and it is the only RTOS with multicore interference mitigation for all shared resources, enabling the system integrator to meet AC 20-193/CAST-32A objectives. Multicore interference happens when more than one processor core attempts simultaneous access to a shared resource, such as system memory, I/O, or the on-chip interconnect. To further ease compliance to AC 20-193, Green Hills provides bandwidth allocation and monitoring (BAM) functionality in INTEGRITY-178 tuMP that ensures that critical applications get their allocated access to shared resources in order to meet their required deadlines, significantly lowering integration and certification risk. Together, the flexible multi-processing architecture and multicore interference mitigation enable a system integrator to maximize multicore processor performance while meeting safety and security requirements.

Mercury Systems – Innovation that matters®
Mercury Systems is a technology company that delivers mission-critical processing power to the edge to solve the most pressing aerospace and defense challenges. Combining technologies and expertise developed for more than 40 years, the Mercury Processing Platform offers customers a unique advantage to unleash breakthrough capabilities. It spans the full breadth of signal processing—from RF front end to the human-machine interface—enabling customers to turn data into decisions with standard products and custom solutions from silicon to system scale. Mercury's products and solutions are deployed in more than 300 programs and across 35 countries. The company is headquartered in Andover, Massachusetts, and has 24 locations worldwide. To learn more, visit mrcy.com. (Nasdaq: MRCY)

About Green Hills Software
Founded in 1982, Green Hills Software is the worldwide leader in embedded safety and security. In 2008, the Green Hills INTEGRITY-178 RTOS was the first and only operating system to be certified by NIAP (National Information Assurance Partnership comprised of NSA & NIST) to EAL 6+, High Robustness, the highest level of security ever achieved for any software product. Our open architecture, integrated development solutions address deeply embedded, absolute security and high-reliability applications for the military/avionics, medical, industrial, automotive, networking, consumer and other markets that demand industry-certified solutions. Green Hills Software is headquartered in Santa Barbara, CA, with European headquarters in the United Kingdom. Visit Green Hills Software at www.ghs.com.

Green Hills, the Green Hills logo, INTEGRITY and tuMP are trademarks or registered trademarks of Green Hills Software in the U.S. and/or internationally. All other trademarks are the property of their respective owners.

Mercury Systems Logo
Mercury Systems Logo
Mercury’s MOSA-aligned LRU1 3U mission computer for the U.S. Army’s Aviation Mission Common Server (AMCS) based in the quad-core 11th Gen Intel® Core™ i7 processor (formerly Tiger Lake).
Mercury’s MOSA-aligned LRU1 3U mission computer for the U.S. Army’s Aviation Mission Common Server (AMCS) based in the quad-core 11th Gen Intel® Core™ i7 processor (formerly Tiger Lake).
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Cision

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SOURCE Green Hills Software