[LinuxBIOS] The question about IDT.

Peter Stuge peter at stuge.se
Tue Oct 9 12:20:40 CEST 2007

On Tue, Oct 09, 2007 at 05:09:38PM +0800, Feng, Libo wrote:
> X86 architecture processor has an IDT to distribute the coming
> interrupts. I only found the default initialization of IDT in
> /src/arch/i386/lib/c_start.S. I thought that after device
> enumeration, the IDT also needs to be updated according to the
> enumeration result. Unfortunately, I can't find where the code is
> located. Who could give me a clue? Thank you in advance.

I don't think LB or FILO drives any hardware using interrupts, so no
idt is needed.

Once Linux kicks in, it will set up everything it needs.


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