[libre-riscv-dev] [Bug 64] New: data handling / io control / data routing API needed

bugzilla-daemon at libre-riscv.org bugzilla-daemon at libre-riscv.org
Fri Apr 19 09:05:20 BST 2019


            Bug ID: 64
           Summary: data handling / io control / data routing API needed
           Product: Libre Shakti M-Class
           Version: unspecified
          Hardware: PC
                OS: Linux
            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: ---

A data handling, routing and I/O control API is needed. this as the
basic building blocks for creating pipelines.

required features (edit this comment and add as necessary)

* ready/valid signalling that matches wishbone and AXI4
* disconnected mode for FSMs (FSM accepts, multi-cycle processes, sends)
* full data separation from signalling, to allow combinatorial data block
  chaining without signalling being involved
* queue/buffering capability (with write-through)
* synchronous mode (to provide guaranteed clock delay characteristics)

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