[coreboot] suspend/resume in v3
Stefan Reinauer
stepan at coresystems.de
Mon Sep 8 17:23:21 CEST 2008
Carl-Daniel Hailfinger wrote:
> On 08.09.2008 14:45, Stefan Reinauer wrote:
>
>> Carl-Daniel Hailfinger wrote:
>>
>>
>>> The docs of various processors (including latest 64bit silicon) state
>>> that the CAR area MUST be below 1 MB. That 1 MB boundary is mentioned
>>> explicitly multiple times, so I guess we have to cope with it.
>>>
>>>
>>>
>> This is not a generally valid assumption. On core duo, the CAR area
>> needs to be 1M below the ROM.
>>
>>
>
> That's really bad news because it conflicts with the v3 design, unless
> there is a way to keep the stack location somehow.
>
> Stefan, you're the core duo expert. Do you see any way to have the same
> stack location during and after CAR?
>
No. There is no RAM at that position.
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