Packages

object Queue

Factory for a generic hardware queue.

Source
Decoupled.scala
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply[T <: Data](enq: ReadyValidIO[T], entries: Int = 2, pipe: Boolean = false, flow: Boolean = false, useSyncReadMem: Boolean = false, flush: Option[Bool] = None): DecoupledIO[T]

    Create a Queue and supply a DecoupledIO containing the product.

    Create a Queue and supply a DecoupledIO containing the product.

    enq

    input (enqueue) interface to the queue, also determines type of queue elements.

    entries

    depth (number of elements) of the queue

    pipe

    True if a single entry queue can run at full throughput (like a pipeline). The ready signals are combinationally coupled.

    flow

    True if the inputs can be consumed on the same cycle (the inputs "flow" through the queue immediately). The valid signals are coupled.

    useSyncReadMem

    True uses SyncReadMem instead of Mem as an internal memory element.

    flush

    Optional Bool signal, if defined, the Queue.hasFlush will be true, and connect correspond signal to Queue instance.

    returns

    output (dequeue) interface from the queue.

    Annotations
    @chiselName()
    Example:
    1. consumer.io.in <> Queue(producer.io.out, 16)
  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: Any): Boolean
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  9. def finalize(): Unit
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  10. final def getClass(): Class[_]
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  11. def hashCode(): Int
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  12. def irrevocable[T <: Data](enq: ReadyValidIO[T], entries: Int = 2, pipe: Boolean = false, flow: Boolean = false, useSyncReadMem: Boolean = false, flush: Option[Bool] = None): IrrevocableIO[T]

    Create a queue and supply a IrrevocableIO containing the product.

    Create a queue and supply a IrrevocableIO containing the product. Casting from DecoupledIO is safe here because we know the Queue has Irrevocable semantics. we didn't want to change the return type of apply() for backwards compatibility reasons.

    enq

    DecoupledIO signal to enqueue.

    entries

    The max number of entries in the queue

    pipe

    True if a single entry queue can run at full throughput (like a pipeline). The ready signals are combinationally coupled.

    flow

    True if the inputs can be consumed on the same cycle (the inputs "flow" through the queue immediately). The valid signals are coupled.

    useSyncReadMem

    True uses SyncReadMem instead of Mem as an internal memory element.

    flush

    Optional Bool signal, if defined, the Queue.hasFlush will be true, and connect correspond signal to Queue instance.

    returns

    a DecoupledIO signal which should connect to the dequeue signal.

    Annotations
    @chiselName()
    Example:
    1. consumer.io.in <> Queue(producer.io.out, 16)
  13. final def isInstanceOf[T0]: Boolean
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  14. final def ne(arg0: AnyRef): Boolean
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  15. final def notify(): Unit
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  16. final def notifyAll(): Unit
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  17. final def synchronized[T0](arg0: ⇒ T0): T0
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  18. def toString(): String
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  19. final def wait(): Unit
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  20. final def wait(arg0: Long, arg1: Int): Unit
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  21. final def wait(arg0: Long): Unit
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