Considering the present time (0:14, at UTC+1) I'm going to keep this one short.
I've been working on getting scheduling working, and I found the GDT trick to be a little bit of a nuisance. As it turns out, I had a design in mind as a replacement for this trick.
What does it do?
Basically what we want is to have the kernel start at somewhere very high in memory, both tricks allow us to migrate the kernel code without endangering our more volatile code.
The GDT trick requires us to exploit some feature in the CPU which isn't guaranteed (as far as I could find). Now this doesn't sound very nice, and isn't really portable too.
Now what I did was remove this trick and enabled paging very early on. This means that paging will actually replace the function of the GDT trick. Now this was kinda tricky since booting with the GDT trick might require one to do some very nasty stuff later on.
This code still exists, so I had to enable that in the paging trick. Basically what we have now works.
More info on this can be expected later.
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