Alejandro Bonilla wrote:
Paul Sladen wrote:
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.
Note the winbond docs are incomplete for the W83627HF at least.
I needed to download the reference for the W83697HF to complete
the picture for when I was writing:
http://lxr.linux.no/source/drivers/char/watchdog/w83627hf_wdt.c
Give us a shout if you need any docs/programming help.
--
Pádraig Brady - http://www.pixelbeat.org
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