riscv/rocket-chip
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fuzzer: allow fuzzing range to be overridden

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This commit is contained in:
Henry Cook
2017-05-03 15:29:14 -07:00
parent cd547fabbd
commit 1f1240baf1
2 changed files with 11 additions and 6 deletions
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5
src/main/scala/uncore/tilelink2/Fuzzer.scala
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@ -82,7 +82,8 @@ class TLFuzzer(
(wide: Int, increment: Bool, abs_values: Int) =>
LFSRNoiseMaker(wide=wide, increment=increment)
},
noModify: Boolean = false)(implicit p: Parameters) extends LazyModule
noModify: Boolean = false,
overrideAddress: Option[AddressSet] = None)(implicit p: Parameters) extends LazyModule
{
val node = TLClientNode(TLClientParameters(sourceId = IdRange(0,inFlight)))
@ -96,7 +97,7 @@ class TLFuzzer(
val edge = node.edgesOut(0)
// Extract useful parameters from the TL edge
val endAddress = edge.manager.maxAddress + 1
val endAddress = overrideAddress.map(_.max).getOrElse(edge.manager.maxAddress)
val maxTransfer = edge.manager.maxTransfer
val beatBytes = edge.manager.beatBytes
val maxLgBeats = log2Up(maxTransfer/beatBytes)