[LinuxBIOS] Building an irq table - Help

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Fri Oct 19 19:54:49 CEST 2007

On 19.10.2007 05:01, Corey Osgood wrote:
> I would mark those irq tables as broken and use acpi routing. You can
> dump the factory acpi tables using acpidump (or cat /proc/acpi/dsdt >
> somefile), then decompile them with iasl. Once you do that, you can look
> through them for "(_PRT)", which should be the routing table. At that
> point, if the tables are simple enough, you can just pull those out, or
> if they're deeply integrated you can use the entire dsdt. Note that
> there may be some legal issues with redistribution of acpi tables,
> although the linux acpi project (on sourceforge) distributes them
> regularly, so I'm not sure where the problem lies.

The problem is that the DSDT is copyrighted by the BIOS vendor, not the
board vendor. That means the copyright holder has a very strong interest
to enforce his copyright because he is a direct competitor of us.



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