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Although you will be able to enable paging after starting the C kernel, you must be aware, in order to shift to the higher-half memory range - you'll have to switch the stack, EIP and all that. That is only done in assembly

Erm, Shukant... this thread is from 2003. I think, whoever had this question is probably long gone by now. If they haven't managed to learn in a decade and a half, I doubt your post would make a difference...