[coreboot] alix1c and v3

Marc Jones marc.jones at amd.com
Mon Jan 28 21:57:29 CET 2008



ron minnich wrote:
> coreboot seems to by dying in VSM on some config access as well.
> 
> Carl-Daniel pointed out to me:
> "IIRC there is also a VSM stack which is located in a place differing
> from the one clobbered between 0x1000 and 0x2000.
> 
> Notice how it blows up exactly at the time where the first virtual PCI
> access happens. That means it blows up inside VSM."
> 
> So we need to get a complete idea of the needs of VSA/VSM for memory and stack.
> 
> ron
> 

VSA needs a real mode stack for init. As Tom pointed out that is setup 
in real_mode_switch_call_vsm in src/cpu/amd/model_lx/vsmsetup.c. I don't 
think that the location matters. It could move instead ov moving stage2.

Marc




-- 
Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
http://www.amd.com/embeddedprocessors






More information about the coreboot mailing list