[LinuxBIOS] The question about IDT.
uwe at hermann-uwe.de
Tue Oct 9 13:43:35 CEST 2007
On Tue, Oct 09, 2007 at 12:20:40PM +0200, Peter Stuge wrote:
> 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.
Is that also true for all other payloads? Think Windows or OpenBSD or
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