On Thu, 23 Jun 2005, Lee Revell wrote:
> Yup, it's just doing port IO. Get a kernel debugger for windows like
> softice and this will be trivial to RE.
> READ_PORT_USHORT / WRITE_PORT_UCHAR / READ_PORT_UCHAR
There are 3 ports involved. The 0xed "non-existant delay port" and a pair
of ports that are through the Super-I/O / IDE. They are used in a
index+value setup similar to reading/writing the AT keyboard controller.
>From what I remember, my conclusion was that these instructions were the
ones to park the heads and then lock the IDE bus. It's a couple of months
ago, but somewhere I have the simplified version of what it was doing...
-Paul
--
It sometimes snows here. Cambridge, GB
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
