[coreboot] Patch merged into coreboot/master: c35c461 Invalidate cache before first jump

Andrew Goodbody ajg4tadpole at gmail.com
Tue Apr 10 13:03:57 CEST 2012

On 09/04/12 04:24, Bao, Zheng wrote:
> Hi,
> It is unstable. In most cases, it hangs at this wbinvd. Once it pass that instruction, it will hang at when AP cores are launched.

Try invd instead of wbinvd. There should be no need to preserve anything 
from the cache so the write back is not needed. The write back may also 
need functional memory which will not be there at least from power on. 
Also note that these instructions are 486+ only.


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