Petitboot

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The wiki is being retired!

Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to https://doc.coreboot.org/. Contributions welcome!

From https://github.com/ArthurHeymans/petitboot_for_coreboot

About petitboot

Petitboot is a platform independent bootloader based on the Linux kexec warm reboot mechanism.Petitboot supports loading kernel, initrd and device tree files from any Linux mountable filesystem, plus can load files from the network using the FTP, SFTP, TFTP, NFS, HTTP and HTTPS protocols. Petitboot can boot any operating system that includes kexec boot support.

Petitboot includes graphical and command line user interface programs. The command line programs can be used to boot the system remotely via telnet or ssh sessions. Multiple user interface programs can run simultaneously.

Petitboot is licensed under the GPLv2.

See Petitboot website for more information.

About petitboot for coreboot

This builds a bzImage with a linked initramfs that contains petitboot. Currently, the kernel is trimmed down to fit in a the 8MB of a thinkpad x200, while maintaining essential functionality. This is done using an industry standard tool for building embedded linux distributions, buildroot.

It is inspired by the op-build package which builds openpower boot firmware, also containing petitboot