Messages in this thread | | | Subject | Re: calling bios interrupt | From | Alan Cox <> | Date | Thu, 02 Feb 2006 14:43:28 +0000 |
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On Iau, 2006-02-02 at 08:48 +0100, Jozef Kutej wrote: > Hello. > > Can someone help me solve my problem with on board watch dog timer that > need to call bios interrupt? Here's how to update watch dog timer. > > mov ax,6f02h > mov bl, 30 ;number of seconds > int 15h > > How can i do this in kernel so that i can write wdt driver?
You need to drive the hardware directly. Ask the vendor for the hardware info, or alternatively you might want to try using a library like lrmi in user space to call it and log the I/O instructions it tries to execute.
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