Supported Distros

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USB Media

Zerocat’s Boot Menu offers three different paths to boot USB live/installation media:

1. Coreboot-GRUB2 -> USB -> Distro’s Grub2 Configuration File
2. Coreboot-GRUB2 -> USB -> Distro’s Isolinux Configuration File
3. Coreboot-GRUB2 -> SeaBIOS Payload -> USB -> Distro’s suggested boot path

See this table of tested USB installation media:

Distro                      |         Applicable Boot Path
--------------------------------------------------------------------
GNU Guix System²            | 1 (grub.cfg), 3 (via SeaBIOS)
Hyperbola²                  | 2 (isolinux.cfg), 3 (via SeaBIOS)
Trisquel9²                  | 2 (isolinux.cfg), 3 (via SeaBIOS)
Debian9¹                    | 1 (grub.cfg), 3 (via SeaBIOS)
OpenSUSE¹                   | 2 (isolinux.cfg), 3 (via SeaBIOS)
Qubes R4.0.3²               | 3 (via SeaBIOS)

¹ preliminary information, to be tested more thoroughly
² confirmed information

Harddisk/SSD

Zerocat’s Boot Menu offers different paths to boot from internal disk (AHCI):

1. Coreboot-GRUB2 -> AHCI -> Distro’s Grub2 Configuration File
2. Coreboot-GRUB2 -> AHCI -> Distro’s Isolinux Configuration File
3. Coreboot-GRUB2 -> AHCI -> Distro’s Kernel Linux
4. Coreboot-GRUB2 -> SeaBIOS Payload -> Distro’s suggested boot path

See this table of tested installations:

Distro                      |         Applicable Boot Path
--------------------------------------------------------------------
GNU Guix System²            | 1 (grub.cfg), 4 (via SeaBIOS)
Hyperbola²                  | not yet tested
Trisquel9¹                  | 1 (grub.cfg), 3 (Kernel), 4 (via SeaBIOS)
Debian9¹                    | 1 (grub.cfg), 4 (via SeaBIOS)
OpenSUSE²                   | not yet supported
Qubes R4.0.3²               | 4 (via SeaBIOS)

See this table of tested installations, using full disk encryption. Encrypted devices are to unlock via dedicated menu entry, first:

Distro                      |         Applicable Boot Path
--------------------------------------------------------------------
GNU Guix System²            | 1 (grub.cfg)
Hyperbola²                  | 1 (coreboot_grub.cfg³), 3 (Kernel)
Trisquel9²                  | not applicable (boot partition is not encrypted)
Debian9²                    | not yet tested
OpenSUSE²                   | not yet supported
Qubes R4.0.3²               | not applicable (boot partition is not encrypted)

¹ preliminary information, to be tested more thoroughly
² confirmed information
³ see util/grub-mkconfig-coreboot.sh to create this file

Accessories

GNU Guix System Declaration Templates might help you to refine your GNU Guix System to match Zerocat products.
File util/grub-mkconfig-coreboot.sh is provided to get your fully encrypted Hyperbola System booted.

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Copyright

Copyright (C) 2021 Kai Mertens kmx@p.nosp@m.oste.nosp@m.o.net
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled: GNU Free Documentation License