[libre-riscv-dev] [Bug 315] New: SPR Pipeline needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=315

            Bug ID: 315
           Summary: SPR Pipeline needed
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: PC
                OS: Mac OS
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Source Code
          Assignee: lkcl at lkcl.net
          Reporter: lkcl at lkcl.net
                CC: libre-riscv-dev at lists.libre-riscv.org
   NLnet milestone: ---

SPR set/get pipeline is needed
see https://github.com/antonblanchard/microwatt/blob/master/execute1.vhdl
https://libre-soc.org/openpower/isa/sprset/

* OP_MTSPR
* OP_MFSPR

note that setb is not implemented by microwatt

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