access to tsc calibration info

Alexander Boettcher alexander.boettcher at ...1...
Tue Mar 27 13:45:44 CEST 2018


Hello,

On 26.03.2018 21:42, Steven Harp wrote:
> 
> x86-specific question: Is there a generic way to get access to the
> TSC frequency calibration information, as provided by modern x86
> CPUs in MSRs?  (User mode components cannot directly read these.)
> 
>  The information is readily available in Nova's hypervisor
> information page (Hip), conveniently exported as a ROM. But I

This hypervisor information page ROM is going to be dropped with [0]
(and therefore with the upcoming release).

Essential information about the boot, which can't be gathered on another
way by Genode, are reported as "platform_info" ROM. See the commits of [0].

Cheers,

Alex.

[0] https://github.com/genodelabs/genode/issues/2710

-- 
Alexander Boettcher
Genode Labs

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