trait BackendInterface extends AnyRef
Common interface definition for tester backends. Internal API.
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- abstract def doFork(runnable: () => Unit, name: Option[String], region: Option[Region]): AbstractTesterThread
- abstract def doJoin(threads: Seq[AbstractTesterThread], stepAfter: Option[Clock]): Unit
- abstract def doTimescope(contents: () => Unit): Unit
- abstract def getSinkClocks(signal: Data): Set[Clock]
Returns set of clocks associated with sinks of the signal
- abstract def getSourceClocks(signal: Data): Set[Clock]
Returns set of clocks associated with sources of the signal
- abstract def peekBits(signal: Data): BigInt
Returns the current value on a wire.
Returns the current value on a wire. Returns the current combinational value (after previous pokes have taken effect).
- abstract def peekClock(signal: Clock): Boolean
Read the value of a clock.
- abstract def pokeBits(signal: Data, value: BigInt): Unit
Writes a value to a writable wire.
Writes a value to a writable wire. Throws an exception if write is not writable.
- abstract def pokeClock(signal: Clock, value: Boolean): Unit
Writes a value to a clock.
- abstract def resolveName(signal: Data): String
Returns a human readable name of a signal.
- abstract def setTimeout(signal: Clock, cycles: Int): Unit
Sets the timeout of the clock: the number of cycles the clock can advance without some non-nop poke operation.
Sets the timeout of the clock: the number of cycles the clock can advance without some non-nop poke operation. Setting cycles=0 disables the timeout. Setting cycles=1 means every cycle must have some non-nop poke operation. Resets the idle counter associated with the specified clock.
- abstract def step(signal: Clock, cycles: Int): Unit
Advances the target clock by one cycle.
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- def getParentTraceElements: Seq[StackTraceElement]
Returns the stack trace elements of parent threads.
Returns the stack trace elements of parent threads. If currently in the root thread, returns empty. TODO: refactor this, figure out how to do this in a structurally cleaner way
- def getVar(key: Any): Option[Any]
Returns the value associated with the key in a per-test map.
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Sets the value associated with a key in a per-test map.
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