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Check that HarnessClockInstantiator doesn't receive requests for similarly-named-clocks with different frequencies (#1460)

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This commit is contained in:
Jerry Zhao
2023-05-05 17:09:07 -07:00
committed by GitHub
parent b8ccb7d4f6
commit 257e7d7507
1 changed files with 9 additions and 3 deletions
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12
generators/chipyard/src/main/scala/HarnessClocks.scala
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@@ -21,9 +21,15 @@ trait HarnessClockInstantiator {
// request a clock bundle at a particular frequency // request a clock bundle at a particular frequency
def requestClockBundle(name: String, freqRequested: Double): ClockBundle = { def requestClockBundle(name: String, freqRequested: Double): ClockBundle = {
val clockBundle = Wire(new ClockBundle(ClockBundleParameters())) if (_clockMap.contains(name)) {
_clockMap(name) = (freqRequested, clockBundle) require(freqRequested == _clockMap(name)._1,
clockBundle s"Request clock freq = $freqRequested != previously requested ${_clockMap(name)._2} for requested clock $name")
_clockMap(name)._2
} else {
val clockBundle = Wire(new ClockBundle(ClockBundleParameters()))
_clockMap(name) = (freqRequested, clockBundle)
clockBundle
}
} }
// refClock is the clock generated by TestDriver that is // refClock is the clock generated by TestDriver that is