On 4/24/10 8:26 PM, Patrick Georgi wrote: > They might just use a watchdog: > - BIOS 1 sets a flag > - BIOS 1 configures the watchdog to trigger when it's not touched within > 2 seconds (or whatever). watchdog would reboot the system then > - BIOS 1 jumps in BIOS 2 > - BIOS 2 does whatever it needs to do to consider itself "safe" > - Meanwhile, BIOS 2 touches the watchdog every so often > - BIOS 2 deactivates the watchdog > > In this scenario, coreboot would have to know how to tell the watchdog > to reset its countdown, and how to disable the watchdog, to safely use > the Dual BIOS feature. > > And the way to find out would be SerialICE:
http://www.serialice.com/ Best regards, Stefan -- coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br. Tel.: +49 761 7668825 • Fax: +49 761 7664613 Email: i...@coresystems.de • http://www.coresystems.de/ Registergericht: Amtsgericht Freiburg • HRB 7656 Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866 -- coreboot mailing list: coreboot@coreboot.org http://www.coreboot.org/mailman/listinfo/coreboot
