01-03-2020, 01:38 PM
(01-03-2020, 12:24 PM)nyxxenator Wrote: I might be mixing up my terminology because I'm not super experienced with the SBC stuff, but is it possible to do something like GRUB in U-Boot but where you can select a boot device? Kinda like on x86 systems where you can usually press a keyboard button while it's booting and then you get the choice of harddrive, cd drive, network or usb? Just an example. I have an old netbook where I would do that if I wanted to boot an SD card instead of the internal SSD.
U-Boot can be interrupted, but alternatives need to then be specified by a command line. Unfortunately, because U-Boot doesn't support most console equipment, this is done by an attached serial console, and not practical for daily use or with mobile devices. This is the main reason for boot-device hierarchy preferences in the compiled U-Boot binary, etc.
— Jeremiah Cornelius
"Be the first person not to do something, that no one has thought of not doing before’’
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"Be the first person not to do something, that no one has thought of not doing before’’
— Brian Eno, "Oblique Strategies"