[coreboot] How can I call the interrupt of SeaBIOS in coreboot?

Stefan Reinauer stepan at coresystems.de
Tue Jul 15 18:18:20 CEST 2008

Zhang Rui wrote:
> Hello Kevin,
> I can use SeaBIOS to initialize vga and return to coreboot now.
> But when I returned to coreboot and call int19, nothing happens.
> It can boot correctly when call int19 in SeaBIOS.
> Maybe it has something to do with the stack?
> How can I call the interrupt of SeaBIOS in coreboot?
How are you doing this currently?
Maybe coreboot-v2/src/mainboard/via/epia-m/vgabios.c:void
(around line 233) helps?

>> But pci_dev_init() is executed more than one time so vga is
>> initialized more than one time in SeaBIOS. A flag variable would be
>> used to run SeaBIOS only once.
> This is fixed now.

How are you doing it? I think the correct way is to only initialize one
given device for every call into the init function.


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