ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,451, issued on May 13, was assigned to Texas Instruments Inc. (Dallas).

"Securing registers across security zones" was invented by David P. Foley (Sugar Land, Texas), Alexander Tessarolo (Lindfield, Australia) and Alan L. Davis (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example, a system includes a processor, where the processor includes a plurality of processor registers, and where the processor is configured to execute a first instruction in a first execution context. The processor is also configured to receive a PRESERVE instruction that indicates at least one processor register among the plurality of processor regist...