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Chrome's Coreboot Firmware Adapting For 64-bit Boot, Prepping For Intel Panther Lake
The Open-Source Firmware Foundation is out with an interesting blog post by Google firmware engineer Subrata Banik around adapting the Coreboot-based Chrome AP Firmware for 64-bit booting
The transition to 64-bit booting is happening for the system firmware powering Chromebooks and other Chrome devices and is driven in part for Intel Panther Lake generation hardware. Driving at least part of their motivation to 64-bit booting is for dealing with more than 4GB of memory with increasing hardware resource needs "due to recent developments in Intel SoC architecture." This 64-bit boot flow has been tested on real hardware and seems to be moving along nicely, presumably for a production deployment coming next year with Intel Panther Lake powered Chromebooks.
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