[Libre-soc-isa] [Bug 623] Switching off parts of the CPU - power saving

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=623

--- Comment #2 from Alain D D Williams <addw at phcomp.co.uk> ---
If the HW switches back on:

* what is the state of the hardware restarted ? If registers are switched on
what are the initial values ? This is something that the os might want some say
in - zero is not always the answer.

Maybe a status bit per hardware component that causes an OS interrupt.

I have added comments to the wiki page about:

* what do we power down ?

* Jacob's comments

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