FreeBSD source tree http://cgit.freebsd.org/src/atom?h=main 2026-07-29T19:12:41Z 2026-07-29T19:12:41Z Abdelkader Boudih freebsd@seuros.com 2026-07-29T19:11:55Z urn:sha1:5f74217c05a99f38a31a6e4950220964595d4ac8 Nexus-attached driver that discovers and parses coreboot's LBIO tables from physical memory. Exposes firmware metadata (version, build info, mainboard, serial config, TSC frequency, CBMEM entries) via sysctl hw.coreboot.*, the firmware console ring buffer via /dev/coreboot_console, and structured CBMEM entry access via /dev/cbmem ioctl interface. Tested on: - Qotom Q535G6 (Kabylake) - Intel NUC D54250WYK (Haswell) - Intel NUC D33217GKE (Ivy Bridge) - Dell 3100 2-in-1 (Gabbiter) - Dell 3100 (Fleex) - Lenovo IdeaPad 320s - Lenovo ThinkPad T480 - HP Chromebook 11 G4 - HP Chromebook 11 G5 - HP Chromebook 11 G6 EE - HP Chromebook 14 G4 - HP Chromebook 14 G5 - HP Chromebook x360 11 G1 EE - HP Chromebook x360 11 G2 EE - HP Chromebook x360 14 G1 - Acer C720 - Acer Chromebook 11 - Lenovo N22 Reviewed by: ngie, kib, adrian Differential Revision: https://reviews.freebsd.org/D55649