On Fri, Oct 05, 2001 at 11:48:16AM +0200, Franz Reinhardt wrote: > I'd like to implement a driver for an PC-like embedded system. > The watchdog timer can generate SMI, NMI and IRQ's. One of them I would like > for reboot, if an app or a driver hangs up. How can I implement an ISR for a > NMI, which resets the system ? You must hack do_nmi() in arch/i386/kernel/ to call your code. NMIs are delivered statically to one location as set in traps.c Alternatively, if you really really must, you can reset the NMI ISR in the IDT to your own routine. This is really icky, and not recommended, but if you must : http://oprofile.sf.net/ has code. regards john -- " It is quite humbling to realize that the storage occupied by the longest line from a typical Usenet posting is sufficient to provide a state space so vast that all the computation power in the world can not conquer it." - Dave Wallace - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
