Skulls - coreboot your X230 the easy way Martin Kepplinger - PowerPoint PPT Presentation

Jul 18, 2023 •14 likes •265 views

Skulls - coreboot your X230 the easy way Martin Kepplinger February 2, 2019 Who am I? - work for https://www.ginzinger.com/en/ in Austria - kernel developer, C programming, tslib maintainer, ... - use Tor! Lets curl an image and

Skulls - coreboot your X230 the easy way Martin Kepplinger February 2, 2019
Who am I? - work for https://www.ginzinger.com/en/ in Austria - kernel developer, C programming, tslib maintainer, ... - use Tor!
Let’s curl an image and coreboot your Laptop!
Lenovo Thinkpad X230 Laptop
3rd gen. Intel i series (Ivy Bridge)
The coreboot project
https://coreboot.org - ”for end users” ”coreboot is a replacement for your BIOS / UEFI with a strong focus on boot speed, security and flexibility.” free software (GPL) hardware init / ACPI interface
coreboot distributions
it’s all there, but how to configure and how to flash (how to or not to enable internal flashing without disassembling)
it’s all there, but how to configure and how to flash (how to or not to enable internal flashing without disassembling) - Libreboot (X200) - Heads (X230, Librem Laptops) - Skulls - not quite Heads (X230) They all release binary flash image files
Skulls goals
faadfce initial infos 75b154334d.config | 686 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 100 ++++++++++++ pci8086,0166.rom | Bin 0 -> 65536 bytes 3 files changed, 786 insertions(+)
make coreboot easy to install, easy to use no excuse for running the proprietary vendor BIOS
make coreboot easy to install, easy to use no excuse for running the proprietary vendor BIOS build reproducibly (important because we release ROM images) security through simplicity (flash a known good image often) Heads - http://osresearch.net
easy to install
# ./external install top.sh -k ”backup-file-to-create” # ./external install bottom.sh -m -k ”backup-file-to-create”
easy to use
How does a release currently look like?
Thinkpad X230 only. 2 different images: - free software except microcode update binary - Intel’s proprietary VGABIOS (currently looks more beautiful)
Thinkpad X230 only. 2 different images: - free software except microcode update binary - Intel’s proprietary VGABIOS (currently looks more beautiful) coreboot master branch HEAD at time of release latest SeaBIOS release latest microcode update by Intel
upstream work
ensure latest SeaBIOS and MCU versions are in coreboot test and update coreboot’s board-status (Supported Motherboards wiki)
recorded demo (there’s not VGA/HDMI during reboot)
https://github.org/merge/skulls https://www.coreboot.org/users.html

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