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this post was submitted on 03 Jun 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Coreboot is for x86-64. ARM usually uses U-Boot.
Not true. For example Libreboot currently supports 2 ARM laptops. The way I understand it is that Libreboot uses U-boot as an extra bootloader, kinda like you would run GRUB after UEFI. U-boot can also just work on it's own and Coreboot ARM devices are rather the exception.
I'd argue chain loading coreboot/libreboot from u-boot isn't really "supporting it" as much as it's just extending it, but fair enough. In the end it's still using u-boot with extra steps.
Coreboot uses U-boot as payload meaning it's the other way around. (at least that's how I understand it) I worded poorly what I meant.