Nova on a bit old CPU

Alexander Boettcher alexander.boettcher at genode-labs.com
Thu Jul 12 21:36:21 CEST 2018


On 12.07.2018 17:41, Paul Dufresne wrote:
> Id pd.cpp constructor, the Mtrr::init(); have to be commented out.

According to the Intel Architectures
Software Developer’s Manual, not all CPUs may implement MTRR. (Chapter
MTRR Feature Identification).

Looking at the Mtrr:init() code, there seem to be a feature check
missing. If you adhere to the Intel manual documentation, you should be
able to implement and test this check.


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Alexander Boettcher
Genode Labs

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