Re: How to read past 8Mb boundary in early boot (i386 arch)?

[Alan Cox]

> What I guess is needed is to read the pointer to the MPS tables,
> if pointer > 8Mb (well, plus the length of the table or an allowance) 
> then copy it to 7Mb with some phys_memcopy routine. But it seems
> this means handcrafting a page table entry ... in which case, it might 
> be easier to temporarily create a page table for the area pointed to, 
> read it as normal, then tear it down again afterwards?

Take a look at the apictable code added in recent -ac. They have precisely
the same problems to worry about