OSDev.org

Hi , I want to know how to determine the base address of the Page Directory.
When I enabling the paging, my got a GP exception. I don't know how to solve this problem.

You didn't give much information so i can only suggest looking in the wiki: http://wiki.osdev.org/Paging

Hi,

The page directory does not exist until you create it. The base is therefore wherever you like (page aligned!).

Cheers,
Adam