book
book copied to clipboard
linuxboot
LinuxBoot book which contains the documentation in markdown format
You may end up in limbo. https://eastrivervillage.com/kexec-tools-with-the-hidden-purgatory/
https://github.com/mullvad/system-transparency > stboot is System Transparency Project’s official bootloader. It is a [LinuxBoot](https://www.linuxboot.org/) distribution based on [u-root](https://github.com/u-root/u-root). The source code of stboot can be found at https://github.com/system-transparency/stboot.
https://wiki.odroid.com/odroid-n2/software/boot_sequence#boot_from_spi
First code is often: `arch/$ARCH/kernel/head.S` ## x86 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/machine_kexec_64.c?h=v6.15-rc6#n53 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/kernel/x86_init.c?h=v6.15-rc6#n123 ## arm has no `kexec_file_load` yet, WIP was there https://lore.kernel.org/linux-arm-kernel/[email protected]/ ## arm64 tbd ## riscv tbd
a loader is just a program that - parses config/binary formats - loads data to memory - uses kexec and reboot syscalls u-root already has lots of parsers, and different...
What tools are there? - https://github.com/systemd/mkosi - https://github.com/xdbob/sbtools
https://youtu.be/GTE8vdIEATs?si=6eOn_FNngoLZxGs-&t=882
Roughly, regardless of EFI or DT, register conventions are used to pass information to the OS. The respective register would hold a memory address, and that would point to either...
The [Device Tree spec](https://devicetree.org) is quite freeform, not requiring much in terms of naming of nodes and properties, or what properties to have, but very few. However, Linux is where...