September 21, 2017

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Green Hills Software INTEGRITY-178 tuMP Multicore Operating System Selected by Commercial & Military Flight Critical Equipment Supplier for DO-178B Level A Certification on the Xilinx Zynq Ultrascale+ MPSoC

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SANTA BARBARA, Calif., July 17, 2017 /PRNewswire/ — Green Hills Software, the worldwide leader in high assurance operating systems, today announced that it has been selected by a US supplier of guidance and navigation equipment for commercial and military aircraft to provide its DO-178B Level A-compliant real-time multicore operating system for their next generation of equipment based on the Xilinx Zynq® Ultrascale+ MPSoC. The Ultrascale+ MPSoC includes four Cortex®-A53 64-bit cores which will run Green Hills Software’s INTEGRITY®-178 Time-Variant Unified Multi Processing (tuMP) operating system.

The DO-178B Level A-compliant operating system capabilities required by Green Hills Software’s flight-critical avionics and mission equipment customers using an ARMv8 based architecture (e.g. Ultrascale+’s quadcore Cortex-A53s) includes full 64-bit operational support for all applications, the ability to execute SMP and/or AMP applications on all four cores simultaneously, support for the latest ARINC-653 multicore partitioning requirements as defined in Part 1 Supplement 4 of the standard (including SMP operation as defined in Section 2.2.1 of Supplement 4), a safety-critical IP network stack that supports multiple IP clients at differing safety levels, and the ability to host applications that align with the Future Airborne Capability Environment (FACETM) Technical Standard.

“We continue to recognize our aerospace customers’ requirement for significant reductions in Size, Weight and Power (SWaP) using the latest 64-bit multicore technology such as that found in the Ultrascale+. However, in order to meet these SWaP objectives across the variety of multicore parts available today, an operating system must provide advanced functionality that allows users to maximize core efficiency and throughput while simultaneously meeting the software assurance requirements of RTCA/DO-178B Level A,” said Dan O’Dowd, founder and chief executive officer of Green Hills Software. “Here at Green Hills Software, our experienced team of development engineers and certification experts continue to advance our safety- and security-critical RTOS technology resulting in the industry’s most advanced and proven multicore operating system. Our INTEGRITY-178 tuMP operating system uniquely provides the ability to integrate a multicore processor into a flight-critical system while achieving optimal use of all cores in a deterministic manner and also complying with the certification community’s CAST-32A position paper for multicore processors.”

Green Hills Software has a long history as an innovative leader in enabling critical embedded system designers to fully utilize advanced microprocessor features such as those found on today’s multicore SoCs. Beginning with Green Hills Software’s pioneering efforts of robust partitioning for

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