[Libre-soc-bugs] [Bug 913] New: change PLRU in plru2.py to allow putting state in sram

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Aug 26 18:04:30 BST 2022


https://bugs.libre-soc.org/show_bug.cgi?id=913

            Bug ID: 913
           Summary: change PLRU in plru2.py to allow putting state in sram
           Product: Libre-SOC's first SoC
           Version: unspecified
          Hardware: Other
                OS: Linux
            Status: CONFIRMED
          Severity: enhancement
          Priority: ---
         Component: Source Code
          Assignee: programmerjake at gmail.com
          Reporter: programmerjake at gmail.com
                CC: libre-soc-bugs at lists.libre-soc.org,
                    programmerjake at gmail.com
   NLnet milestone: Future
    parent task for 487
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https://bugs.libre-soc.org/show_bug.cgi?id=909#c5

> actually, i want to modify PLRU's API somewhat so you can have a sram of
> PLRU states and just one PLRU circuit rather than a bunch of dffs and PLRUs.
> the sram would need 1 clocked write port and one combinatorial read port
> (unless you want to wait an extra cycle), it would be external to PLRU.

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