Future Architecture Technologies: POE2 And vMTE


Future Architecture Technologies are features being developed for currently unreleased versions of the Arm architecture. Arm provides the ecosystem with relevant information and specifications in advance, ensuring software support for when new technologies are realized in hardware. This blog introduces two future technologies: Permission Overlay Extension version 2 (POE2), and Virtual T... » read more

How To Improve Software? Start With The Hardware


By Travis Walton and Udi Maor Physicist Art Rosenfeld was working late at Lawrence Berkeley National Lab one night in 1973 when he noticed it. Despite an ongoing energy crisis, his colleagues routinely left their lights on after they left. Waste was one of the largest consumers of power in the state, he soon discovered: pilot lights consumed 10% of gas in homes. Switching from physics to ... » read more

Armv8.5-A Memory Tagging Extension


The Internet worm of 1988 took offline one tenth of the fledgling network, and severely slowed down the remainder [1]. Over 30 years later, two of the most important classes of security vulnerability in code written in C-like languages are still violations of memory safety. According to a 2019 BlueHat presentation, 70% of all security issues addressed in Microsoft products are caused by violati... » read more