ARM processor mode, kernel startup, Hyp / secure state

Nicolas Pitre nicolas.pitre at linaro.org
Tue Aug 23 15:59:10 EDT 2011


On Tue, 23 Aug 2011, Ian Jackson wrote:

> If there are kernels intended to run on the secure side, a difficulty
> arises: if KVM wants to use Hyp mode and the associated features, how
> is that to be done ?

I think that you can safely presume that the secure world is not open to 
Open Source in practice.  As Russell said, all the actual 
implementations meant for products out there have the secure mode 
effectively burried behind ROM code that the SOC vendor controls.


Nicolas



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