[Libre-soc-bugs] [Bug 580] PowerDecoder needs to redirect MMU SPRs to the MMU

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Jan 26 20:45:36 GMT 2021


--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Tobias Platen from comment #1)
> I modified the fn_unit field in my last commit, SPRs 18 and 19 now get
> forwarded to the MMU.

excellent.  do push it so we can take a look :)


the list that microwatt flip over is this:

    case sprn is
       when SPR_DAR | SPR_DSISR | SPR_PID | SPR_PRTBL =>  
           vi.override_decode.unit := LDST;

so that'll likely be what we'll need to do at some point
(except to MMU).

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