I'm not sure I understand your point. If writing your own boot loader is fun, how can it be a waste of time?
the same knowledge from implementing virtual memory and multitasking. Besides, the bootloading process is highly architecture specific. Switch to an ARM or PPC chip, and it's a completely
Switch to an ARM or PPC chip, and it's a completelyYup. That's why you should do it for learning purposes getting your head around how a machine bootstraps itself is, to my mind, one of the harder things to understand about a computing system. Part of that is because someone who doesn't know how it works might look at booting mechanisms as a sort of "black box", or just magic. Once you peer into the black box and understand some of it, suddenly, none of it seems all that mysterious anymore, even if you've only learned the particulars for one specific machine.
While writing your own boot loader may be fun, I think it's a waste of time. After that, you have real, actual operating systems programming Nike Cortez Blue Swoosh like implementing paging, multitasking, interrupts, and so on.
a priori 2297 days ago link
If you consider that valuable knowledge, then I agree with you there. There may be some merit to writing (and understanding) a minimal bootloader that enables A20, switches to protected mode, and loads a kernel from a floppy disc. Just getting that far will teach you quite a bit about writing and debugging low level assembly code. You'll gain much of Cortez Nike All White
A USB drive, hard drive, or CD ROM all work just fine. Floppies are just a simple and conventional way to get a kernel booting. Personally, I like netbooting the best. .
aggieben 2291 days ago link
Writing your own Toy OS
aggieben 2297 days ago link
it is pretty much a Nike Cortez Basic Premium Qs Men's Shoe
waste. Write one to learn how it works, then throw it away and use Grub.
Writing one is not a waste of time, because you learn what's really going on just after POST. But trying to actually use your own and maintain Nike Cortez Ultra Breathe White
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