[coreboot] alix1c and v3

Jordan Crouse jordan.crouse at amd.com
Mon Jan 28 05:28:38 CET 2008


On 27/01/08 23:23 -0500, Tom Sylla wrote:
> ron minnich wrote:
>> If I move the stage2 text address from 0x1000 to 0x2000 (see
>> arch/x86/Makefile: -T 0x1000), I get past the problem. It's dying
>> later but I think I know what that is.
>> But what piece of code is trashing memory at 0x1000? Could it be VSA?
>> If so, do we just go with moving the text address to 0x2000, instead
>> of 0x1000?
>
> Well, you might want to take a look at real_mode_switch_call_vsm. I see the 
> code telling it to use real mode address 0:0x1000 as the location for the 
> stack.
>
> http://tracker.coreboot.org/trac/coreboot/browser/trunk/coreboot-v2/src/cpu/amd/model_lx/vsmsetup.c#L182
>
> Maybe that is why it is getting stomped :)
>
> (link is to v2, but the code is the same. Why can't I browse v3 in trac or 
> viewvc?)

http://coreboot.org/viewvc/coreboot-v3/?root=coreboot-v3

View coreboot-v3 if you want, then change repository on upper right of 
screen you must.

Jordan

-- 
Jordan Crouse
Systems Software Development Engineer 
Advanced Micro Devices, Inc.






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