Aamir Bohra
Aamir is working as a Coreboot developer at Intel. He started as UEFI BIOS Engineer in 2014, developing UEFI BIOS for tablet and Client platforms, with key responsibility to support IBVs and OEMs BIOS enabling. In 2017, he started working as coreboot developer, responsible to develop coreboot SOC code for newer client platforms, bring up Intel reference boards and support OEM/ODM design enabling.
Session
Processor microcode is akin to processor firmware. Processors may need updates to their microcode to operate correctly. These updates fix bugs/errata that can cause anything from incorrect processing, to code and data corruption, and system lockups. Intel also packages pCode patches (pUnit firmware) along with microcode update. pCode is a critical firmware component for Intel SoC to work correctly. Hence a platform should have the ability to update these firmware in the field.
Post product launch, both the FW patches (together referred to as MCU henceforth) are often updated/released in the field as important fixes are available. Ability to update them in the field helps ensure stability and security of the platform after they are shipped.