Re: [coreboot] [Bug?] 3 different bytes in VGAbios after upgrade to coreboot

[Patrick Georgi]

2015-06-03 1:33 GMT+02:00 ron minnich :
> interesting. Not sure what is up here but I have seen that many VGA bioses
> copy themselves to RAM and then modify their own code.

I've seen some VGABIOSes map some small register block into the memory
region where the VGABIOS resides. I guess the idea is that this region
is guaranteed to be unused.

When dumping a segment set up like this, it can differ over time...

Patrick