On 01/16/2014 02:40 AM, Michael Haberler wrote: > I think the project has been put to rest, despite a way > without 'INT 15H' was found - see rest of thread: > http://www.linuxcnc.org/index.php/english/forum/24-hal-components/27385-driver-for-hardware-io-port?start=10#42758 > > -m The obvious solution would be to read out and disassemble the BIOS ROM contents and figure out what needs to be written to the various device registers to accomplish the function. it probably only needs a couple INB and OUTB instructions to do what is needed. The Int 15 is (I think) a way to execute code from the BIOS ROMS, which is not a very good way to do this in the Linux environment. But, it gets around some Windows protections.
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