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Re: PCI

Posted: Thu May 06, 2010 7:59 am
by zity
You can still use the PCI devices through the legacy PIC controller. The PCI devices header field "Interrupt Line" tells you which interrupt the PCI device use, when using the legacy PIC controller.

But on the other side, it's pretty easy to parse the ACPI tables in order to find the location of the I/O APIC. Just grap the ACPI specifications and take a look at the table section. You should be able to implement a simple parser in a few hours.

Re: PCI

Posted: Thu May 06, 2010 10:33 pm
by lemonyii
i've got it before, but it seems too long.
and i checked the section you metioned, it is quite complex to find the structures like float...
i have classes all day, i will try tomorrow.
thx

Re: PCI

Posted: Sat May 08, 2010 11:03 pm
by ehenkes

Re: PCI

Posted: Sat May 08, 2010 11:06 pm
by lemonyii
oh, i've implemented it 2 days ago.
but thank you all the same.